10-Q

FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

x	QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934
	For the quarterly period ended	September 30, 2015
o	TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934
	For the transition period from ______ to ______
	Commission file number 1-10816

MGIC INVESTMENT CORPORATION

(Exact name of registrant as specified in its charter)

WISCONSIN	39-1486475
(State or other jurisdiction of incorporation or organization)	(I.R.S. Employer Identification No.)
250 E. KILBOURN AVENUE	53202
MILWAUKEE, WISCONSIN	(Zip Code)
(Address of principal executive offices)

(414) 347-6480

(Registrant's telephone number, including area code)

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days.

YES x NO o

Indicate by check mark whether the registrant has submitted electronically and posted on its corporate Web site, if any, every Interactive Data File required to be submitted and posted pursuant to Rule 405 of Regulation S-T during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files).

YES x NO o

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, or a smaller reporting company. See the definitions of “large accelerated filer”, “accelerated filer” and “smaller reporting company” in Rule 12b-2 of the Exchange Act. (Check one):

Large accelerated filer  x Accelerated filer o Non-accelerated filer o Smaller reporting company  o (Do not check if a smaller reporting company)

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act).

YES o NO x

Indicate the number of shares outstanding of each of the issuer's classes of common stock, as of the latest practicable date.

CLASS OF STOCK	PAR VALUE	DATE	NUMBER OF SHARES
Common stock	$1.00	October 30, 2015	339,656,530

Forward Looking and Other Statements

All statements in this report that address events, developments or results that we expect or anticipate may occur in the future are “forward looking statements.” Forward looking statements consist of statements that relate to matters other than historical fact. In most cases, forward looking statements may be identified by words such as “believe,” “anticipate” or “expect,” or words of similar import. The risk factors referred to in “Forward Looking Statements and Risk Factors – Location of Risk Factors” in Management’s Discussion and Analysis of Financial Condition and Results of Operations below, may cause our actual results to differ materially from the results contemplated by forward looking statements that we may make. We are not undertaking any obligation to update any forward looking statements or other statements we may make in this document even though these statements may be affected by events or circumstances occurring after the forward looking statements or other statements were made. Therefore no reader of this document should rely on these statements being current as of any time other than the time at which this document was filed with the Securities and Exchange Commission.

MGIC INVESTMENT CORPORATION AND SUBSIDIARIES

FORM 10-Q

FOR THE QUARTER ENDED SEPTEMBER 30, 2015

TABLE OF CONTENTS
		Page
PART I — FINANCIAL INFORMATION
Item 1	Consolidated Financial Statements:
	Consolidated Balance Sheets - September 30, 2015 (Unaudited) and December 31, 2014	4
	Consolidated Statements of Operations (Unaudited) - Three Months and Nine Months Ended September 30, 2015 and 2014	5
	Consolidated Statements of Comprehensive Income (Unaudited) - Three Months and Nine Months Ended September 30, 2015 and 2014	6
	Consolidated Statements of Shareholders' Equity (Unaudited) - Nine Months Ended September 30, 2015 and 2014	7
	Consolidated Statements of Cash Flows (Unaudited) - Nine Months Ended September 30, 2015 and 2014	8
	Notes to Consolidated Financial Statements (Unaudited)	9
Item 2	Management's Discussion and Analysis of Financial Condition and Results of Operations	36
Item 3	Quantitative and Qualitative Disclosures about Market Risk	58
Item 4	Controls and Procedures	59
PART II — OTHER INFORMATION
Item 1A	Risk Factors	60
Item 6	Exhibits	63
SIGNATURES		64
INDEX TO EXHIBITS		65

3

PART I. FINANCIAL INFORMATION

Item 1. Financial Statements

MGIC INVESTMENT CORPORATION AND SUBSIDIARIES

CONSOLIDATED BALANCE SHEETS

(Unaudited)

	September 30, 2015			December 31, 2014
ASSETS	(In thousands)
Investment Portfolio (notes 7 and 8):
Securities, available-for-sale, at fair value:
Fixed maturities (amortized cost, 2015 - $4,598,347; 2014 - $4,602,514)	$	4,588,331		$	4,609,614
Equity securities	5,634			3,055
Total investment portfolio	4,593,965			4,612,669
Cash and cash equivalents	384,536			197,882
Restricted cash and cash equivalents (note 1)	—			17,212
Accrued investment income	36,861			30,518
Prepaid reinsurance premiums	187			47,623
Reinsurance recoverable on loss reserves	38,748			57,841
Reinsurance recoverable on paid losses	4,275			6,424
Premiums receivable	51,579			57,442
Home office and equipment, net	29,265			28,693
Deferred insurance policy acquisition costs	14,997			12,240
Profit commission receivable (note 4)	—			91,500
Deferred income taxes, net (note 11)	758,851			—
Other assets	94,886			106,390
Total assets	$	6,008,150		$	5,266,434
LIABILITIES AND SHAREHOLDERS' EQUITY
Liabilities:
Loss reserves (note 12)	$	1,979,943		$	2,396,807
Premium deficiency reserve (note 13)	—			23,751
Unearned premiums	265,119			203,414
Senior notes (note 3)	61,953			61,918
Convertible senior notes (note 3)	845,000			845,000
Convertible junior debentures (note 3)	389,522			389,522
Other liabilities	318,094			309,119
Total liabilities	3,859,631			4,229,531
Contingencies (note 5)
Shareholders' equity (note 14):
Common stock (one dollar par value, shares authorized 1,000,000; shares issued 2015 - 340,091; 2014 - 340,047; shares outstanding 2015 - 339,651; 2014 - 338,560)	340,091			340,047
Paid-in capital	1,667,307			1,663,592
Treasury stock (shares at cost 2015 - 440; 2014 - 1,487)	(3,362		)	(32,937		)
Accumulated other comprehensive loss, net of tax (note 9)	(43,147		)	(81,341		)
Retained earnings (deficit)	187,630			(852,458		)
Total shareholders' equity	2,148,519			1,036,903
Total liabilities and shareholders' equity	$	6,008,150		$	5,266,434

See accompanying notes to consolidated financial statements.

4

MGIC INVESTMENT CORPORATION AND SUBSIDIARIES

CONSOLIDATED STATEMENTS OF OPERATIONS

(Unaudited)

	Three Months Ended September 30,						Nine Months Ended September 30,
	2015			2014			2015			2014
	(In thousands, except per share data)
Revenues:
Premiums written:
Direct	$	273,803		$	255,041		$	800,619		$	740,479
Assumed	285			400			931			1,281
Ceded (note 4)	43,897			(32,536		)	(22,334		)	(87,450		)
Net premiums written	317,985			222,905			779,216			654,310
Increase in unearned premiums, net	(78,751		)	(13,870		)	(109,186		)	(23,528		)
Net premiums earned	239,234			209,035			670,030			630,782
Investment income, net of expenses	25,939			22,355			75,815			63,691
Net realized investment gains (losses):
Total other-than-temporary impairment losses	—			—			—			—
Portion of losses recognized in comprehensive income, before taxes	—			—			—			—
Net impairment losses recognized in earnings	—			—			—			—
Other realized investment gains	640			632			27,133			923
Net realized investment gains	640			632			27,133			923
Other revenue	3,698			3,093			9,877			6,037
Total revenues	269,511			235,115			782,855			701,433
Losses and expenses:
Losses incurred, net (note 12)	76,458			115,254			248,481			379,003
Change in premium deficiency reserve (note 13)	—			(6,744		)	(23,751		)	(19,750		)
Amortization of deferred policy acquisition costs	2,368			2,096			6,191			5,191
Other underwriting and operating expenses, net	46,075			34,882			121,152			105,101
Interest expense	17,362			17,361			52,097			52,274
Total losses and expenses	142,263			162,849			404,170			521,819
Income before tax	127,248			72,266			378,685			179,614
(Benefit from) provision for income taxes (note 11)	(695,604		)	249			(690,897		)	2,093
Net income	$	822,852		$	72,017		$	1,069,582		$	177,521
Income per share (note 6)
Basic	$	2.42		$	0.21		$	3.15		$	0.52
Diluted	$	1.78		$	0.18		$	2.35		$	0.45
Weighted average common shares outstanding - basic (note 6)	339,701			338,626			339,504			338,488
Weighted average common shares outstanding - diluted (note 6)	468,149			413,576			468,097			413,473

See accompanying notes to consolidated financial statements.

5

MGIC INVESTMENT CORPORATION AND SUBSIDIARIES

CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME

(Unaudited)

	Three Months Ended September 30,						Nine Months Ended September 30,
	2015			2014			2015			2014
	(In thousands)
Net income	$	822,852		$	72,017		$	1,069,582		$	177,521
Other comprehensive income (loss), net of tax (note 9):
Change in unrealized investment gains and losses (note 7)	95,295			(17,301		)	51,212			66,798
Benefit plan adjustments	(7,355		)	(1,732		)	(8,447		)	(5,198		)
Foreign currency translation adjustment	(2,947		)	(2,490		)	(4,571		)	(650		)
Other comprehensive income (loss), net of tax	84,993			(21,523		)	38,194			60,950
Comprehensive income	$	907,845		$	50,494		$	1,107,776		$	238,471

See accompanying notes to consolidated financial statements

6

MGIC INVESTMENT CORPORATION AND SUBSIDIARIES

CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY

(Unaudited)

	Nine Months Ended September 30,
	2015			2014
	(In thousands)
Common stock
Balance, beginning of period	$	340,047		$	340,047
Net common stock issued under share-based compensation plans	44			—
Balance, end of period	340,091			340,047
Paid-in capital
Balance, beginning of period	1,663,592			1,661,269
Net common stock issued under share-based compensation plans	(446		)	—
Reissuance of treasury stock, net	(6,894		)	(6,680		)
Tax benefit from share-based compensation	2,113			—
Equity compensation	8,942			6,472
Balance, end of period	1,667,307			1,661,061
Treasury stock
Balance, beginning of period	(32,937		)	(64,435		)
Reissuance of treasury stock, net	29,575			31,498
Balance, end of period	(3,362		)	(32,937		)
Accumulated other comprehensive income (loss)
Balance, beginning of period	(81,341		)	(117,726		)
Other comprehensive income	38,194			60,950
Balance, end of period	(43,147		)	(56,776		)
Retained earnings (deficit)
Balance, beginning of period	(852,458		)	(1,074,617		)
Net income	1,069,582			177,521
Reissuance of treasury stock, net	(29,494		)	(29,791		)
Balance, end of period	187,630			(926,887		)
Total shareholders' equity	$	2,148,519		$	984,508

See accompanying notes to consolidated financial statements.

7

MGIC INVESTMENT CORPORATION AND SUBSIDIARIES

CONSOLIDATED STATEMENTS OF CASH FLOWS

(Unaudited)

	Nine Months Ended September 30,
	2015			2014
	(In thousands)
Cash flows from operating activities:
Net income	$	1,069,582		$	177,521
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Depreciation and amortization	38,361			38,229
Deferred tax (benefit) expense	(698,177		)	336
Realized investment gains, net	(27,133		)	(923		)
Loss on repurchases of senior notes	—			837
Excess tax benefits related to share-based compensation	(2,113		)	—
Other	(21,795		)	19,845
Change in certain assets and liabilities:
Accrued investment income	(6,343		)	1,177
Prepaid insurance premium	47,436			(7,987		)
Reinsurance recoverable on loss reserves	19,093			6,187
Reinsurance recoverable on paid losses	2,149			3,975
Premium receivable	5,863			1,971
Deferred insurance policy acquisition costs	(2,757		)	(1,929		)
Profit commission receivable	91,500			(66,584		)
Real estate	2,574			(3,285		)
Loss reserves	(416,864		)	(533,819		)
Premium deficiency reserve	(23,751		)	(19,750		)
Unearned premiums	61,705			31,513
Return premium accrual	(6,400		)	16,200
Income taxes payable - current	2,101			(1,180		)
Net cash provided by (used in) operating activities	135,031			(337,666		)
Cash flows from investing activities:
Purchases of investments:
Fixed maturities	(1,970,402		)	(1,549,883		)
Equity securities	(2,593		)	(59		)
Proceeds from sales of fixed maturities	1,527,680			902,660
Proceeds from maturity of fixed maturities	432,328			914,465
Net increase in payable for securities	48,120			7,245
Net decrease in restricted cash	17,212			233
Additions to property and equipment	(2,835		)	(3,998		)
Net cash provided by investing activities	49,510			270,663
Cash flows from financing activities:
Repayment of long-term debt	—			(21,767		)
Excess tax benefits related to share-based compensation	2,113			—
Net cash provided by (used in) financing activities	2,113			(21,767		)
Net increase (decrease) in cash and cash equivalents	186,654			(88,770		)
Cash and cash equivalents at beginning of period	197,882			332,692
Cash and cash equivalents at end of period	$	384,536		$	243,922

See accompanying notes to consolidated financial statements.

8

MGIC INVESTMENT CORPORATION AND SUBSIDIARIES

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

September 30, 2015

(Unaudited)

Note 1 – Nature of Business and Basis of Presentation

MGIC Investment Corporation is a holding company which, through Mortgage Guaranty Insurance Corporation ("MGIC"), MGIC Indemnity Corporation (“MIC”) and several other subsidiaries, is principally engaged in the mortgage insurance business.  We provide mortgage insurance to lenders throughout the United States and to government sponsored entities to protect against loss from defaults on low down payment residential mortgage loans.

The accompanying unaudited consolidated financial statements of MGIC Investment Corporation and its wholly-owned subsidiaries have been prepared in accordance with the instructions to Form 10-Q as prescribed by the Securities and Exchange Commission (“SEC”) for interim reporting and do not include all of the other information and disclosures required by accounting principles generally accepted in the United States of America (“GAAP”). These statements should be read in conjunction with the consolidated financial statements and notes thereto for the year ended December 31, 2014 included in our Annual Report on Form 10-K. As used below, “we,” “our” and “us” refer to MGIC Investment Corporation’s consolidated operations or to MGIC Investment Corporation, as the context requires.

In the opinion of management the accompanying financial statements include all adjustments, consisting primarily of normal recurring accruals, necessary to fairly state our financial position and results of operations for the periods indicated. The results of operations for the interim period may not be indicative of the results that may be expected for the year ending December 31, 2015.

Capital - GSEs

Since 2008, substantially all of our insurance written has been for loans sold to Fannie Mae and Freddie Mac (the “GSEs”). In April 2015, the GSEs each released revised private mortgage insurer eligibility requirements (the “PMIERs”) that become effective December 31, 2015. The PMIERs include revised financial requirements for mortgage insurers under which a mortgage insurer’s “Available Assets” (generally only the most liquid assets of an insurer) must meet or exceed “Minimum Required Assets” (which are based on an insurer’s book and are calculated from tables of factors with several risk dimensions and are subject to a floor amount).

Based on our interpretation of the PMIERs, we expect that MGIC will be in compliance with the PMIERs when they become effective. This expectation reflects, among other things, that the GSEs have allowed full credit under the PMIERs for the risk ceded under our restructured quota share reinsurance transaction. In the third quarter of 2015, the restructured transaction became effective after being approved by each of the GSEs and the Office of the Commissioner of Insurance of the State of Wisconsin (“OCI”). The GSEs’ ongoing approval of the transaction is subject to several conditions and the transaction will be reviewed under the PMIERs at least annually by the GSEs.

We expect to increase our Available Assets in the future by repatriating to MGIC certain assets of MGIC's MIC subsidiary. If additional Available Assets are required in the future, we believe that a portion of our holding company’s cash and investments may be available for future contribution to MGIC.

Factors that may negatively impact MGIC’s ability to comply with the PMIERs after their effective date include the following:

• The GSEs may reduce the amount of credit they allow under the PMIERs for the risk ceded under our quota share reinsurance transaction.

• We may not obtain regulatory authorization to repatriate assets from MIC to MGIC to the extent we are assuming because regulators project higher losses than we project or require a level of capital be maintained in MIC higher than we are assuming.

• MGIC may not receive additional capital contributions from our holding company due to competing demands on the holding company resources, including for repayment of debt.

• Our future operating results may be negatively impacted by the matters discussed in the rest of these footnotes. Such matters could decrease our revenues, increase our losses or require the use of assets, thereby creating a shortfall in

9

Available Assets.

There can be no assurance that the GSEs will not make the PMIERs more onerous in the future; in this regard, the PMIERs provide that the tables of factors that determine Minimum Required Assets will be updated every two years and may be updated more frequently to reflect changes in macroeconomic conditions or loan performance. The GSEs will provide notice 180 days prior to the effective date of table updates. In addition, the GSEs may amend the PMIERs at any time. If MGIC ceases to be eligible to insure loans purchased by one or both of the GSEs, it would significantly reduce the volume of our new business writings.

While on an overall basis, the amount of Available Assets we must hold in order to continue to insure GSE loans has increased under the PMIERs over what state regulation currently provides, our reinsurance transaction mitigates the negative effect of the PMIERs on our returns. In this regard, see the first bullet point above.

See additional disclosure regarding statutory capital in Note 16 – “Statutory Capital.”

Reclassifications

Certain reclassifications have been made in the accompanying financial statements to 2014 amounts to conform to 2015 presentation. For the nine months ended September 30, 2014 cash used for additions to property and equipment was previously presented as “Other” within cash flows from operating activities and is presented separately as “Additions to property and equipment” within cash flows from investing activities as of September 30, 2015. This revision is not material to amounts reported or disclosed by us in prior periods.

Restricted cash and cash equivalents

During the second quarter of 2013, approximately $60.3 million was placed in escrow in connection with the two agreements we entered into to resolve our dispute with Countrywide Home Loans, Inc. (“CHL”) and its affiliate, Bank of America, N.A., as successor to Countrywide Home Loans Servicing LP (“BANA” and collectively with CHL, “Countrywide”) regarding rescissions. In the fourth quarter of 2013, approximately $42.9 million was released from escrow in connection with the BANA agreement. In the first quarter of 2015, the remaining escrow funds were disbursed to us pursuant to the amended and restated settlement agreement and release entered into with CHL on March 2, 2015.  See additional discussion of these settlement agreements in Note 5 – “Litigation and Contingencies.”

Subsequent events

We have considered subsequent events through the date of this filing. As discussed in Note 3 – "Debt" we have repaid our Senior Notes that matured on November 1, 2015 in the amount of $61.9 million.

Note 2 – New Accounting Pronouncements

Revenue from Contracts with Customers

In May 2014, the Financial Accounting Standards Board ("FASB") issued guidance to clarify the principles for recognizing revenue. While insurance contracts are not within the scope of this updated guidance, our fee income related to contract underwriting and other fee-based services provided to lenders will be subject to this guidance. The updated guidance requires an entity to recognize revenue as performance obligations are met, in order to reflect the transfer of promised goods or services to customers in an amount that reflects the consideration the entity is entitled to receive for those goods or services. The guidance also requires additional disclosure about the nature, amount, timing, and uncertainty of revenue and cash flows arising from customer contracts. The guidance is effective for reporting periods beginning after December 15, 2017 with early adoption for reporting periods beginning after December 15, 2016 permitted. We are currently evaluating the impact of this update, but it is not expected to have a significant impact on our consolidated financial statements and disclosures.

Presentation of Debt Issuance Costs

In April 2015, the FASB amended existing guidance related to the presentation of debt issuance costs. The new standard requires the presentation of debt issuance costs in the balance sheet as a deduction from the carrying amount of the related debt liability instead of a deferred charge. It is effective for annual reporting periods beginning after December 15, 2015, but early adoption is permitted. The adoption of this guidance is not expected to have a significant impact on our consolidated financial statements.

Disclosures about Short-Duration Contracts

10

In May 2015, the FASB issued guidance requiring expanded disclosures for insurance entities that issue short-duration contracts. The expanded disclosures are designed to provide additional insight into an insurance entity's ability to underwrite and anticipate costs associated with claims. The disclosures include information about incurred and paid claims development by accident year, on a net of reinsurance basis, for the number of years claims incurred typically remain outstanding, not to exceed ten years. Each period presented in the disclosure about claims development that precedes the current reporting periods is considered supplementary information. The expanded disclosures also include more transparent information about significant changes in methodologies and assumptions used to estimate claims, and the timing, frequency, and severity of claims. The disclosures required by this update are effective for annual periods beginning after December 31, 2015, and interim periods within annual periods beginning after December 31, 2016, and is to be applied retrospectively. We are evaluating the impact, if any, of the new disclosure requirements.

Note 3 – Debt

Long-term debt as of September 30, 2015 and December 31, 2014 consists of the following obligations.

	September 30, 2015			December 31, 2014
	(In millions)
Senior Notes, interest at 5.375% per annum, due November 2015	$	61.9		$	61.9
Convertible Senior Notes, interest at 5% per annum, due May 2017 (1)	345.0			345.0
Convertible Senior Notes, interest at 2% per annum, due April 2020 (2) (3)	500.0			500.0
Convertible Junior Subordinated Debentures, interest at 9% per annum, due April 2063 (4)	389.5			389.5
Total debt	1,296.4			1,296.4
Less current portion of debt	(61.9		)	(61.9		)
Total long-term debt	$	1,234.5		$	1,234.5

(1) Convertible at any time prior to maturity at the holder's option, at an initial conversion rate, which is subject to adjustment, of 74.4186 shares per $1,000 principal amount, representing an initial conversion price of approximately $13.44 per share.

(2) Prior to January 1, 2020, the 2% Convertible Senior Notes are convertible only upon satisfaction of one or more conditions. One such condition is that during any calendar quarter commencing after March 31, 2014, the last reported sale price of our common stock for each of at least 20 trading days during the 30 consecutive trading days ending on, and including, the last trading day of the immediately preceding calendar quarter be greater than or equal to 130% of the applicable conversion price on each applicable trading day. The 2% Notes are convertible at an initial conversion rate, which is subject to adjustment, of 143.8332 shares per $1,000 principal amount, representing an initial conversion price of approximately $6.95 per share. 130% of such conversion price is $9.03. On or after January 1, 2020, holders may convert their notes irrespective of satisfaction of the conditions. Our common stock price was greater than or equal to 130% of the applicable conversion price for each of at least 20 trading days during the 30 consecutive trading days ending on, and including, September 30, 2015.

(3) Prior to April 10, 2017, the notes will not be redeemable. On any business day on or after April 10, 2017 we may redeem for cash all or part of the notes, at our option, at a redemption rate equal to 100% of the principal amount of the notes being redeemed, plus any accrued and unpaid interest, if the closing sale price of our common stock exceeds 130% of the then prevailing conversion price of the notes for each of at least 20 of the 30 consecutive trading days preceding notice of the redemption.

(4) Convertible at any time prior to maturity at the holder's option, at an initial conversion rate, which is subject to adjustment, of 74.0741 shares per $1,000 principal amount, representing an initial conversion price of approximately $13.50 per share. If a holder elects to convert their debentures, deferred interest owed on the debentures being converted is also converted into shares of our common stock. The conversion rate for any deferred interest is based on the average price that our shares traded at during a 5-day period immediately prior to the election to convert. In lieu of issuing shares of common stock upon conversion of the debentures, we may, at our option, make a cash payment to converting holders for all or some of the shares of our common stock otherwise issuable upon conversion.

Interest payments on our existing debt obligations appear below.

11

	Nine Months Ended September 30,
	2015		2014
	(In millions)
Senior Notes, interest at 5.375% per annum, due November 2015	$	1.7	$	1.7
Convertible Senior Notes, interest at 5% per annum, due May 2017	8.6		8.6
Convertible Senior Notes, interest at 2% per annum, due April 2020	5.0		5.0
Convertible Junior Subordinated Debentures, interest at 9% per annum, due April 2063	17.5		17.5
Total interest payments	$	32.8	$	32.8

The Senior Notes, Convertible Senior Notes and Convertible Junior Subordinated Debentures are obligations of our holding company, MGIC Investment Corporation, and not of its subsidiaries. We repaid our Senior Notes on November 2, 2015 in the amount of $61.9 million with MGIC Investment Corporation cash on hand. The repayment of our Senior Notes had no significant impact on our liquidity or financial position. As of September 30, 2015, we had approximately $469 million in cash and investments at our holding company. The net unrealized losses on our holding company investment portfolio were approximately $0.4 million as of September 30, 2015. The modified duration of the holding company investment portfolio, excluding cash and cash equivalents, was 2.9 years at September 30, 2015.

Note 4 – Reinsurance

Effective July 1, 2015, we settled our 2013 quota share reinsurance agreement ("2013 QSR Transaction") by commutation. The settlement included any premiums, losses, and profit commission. The commutation resulted in an increase in net premiums written and earned of $69.4 million and $11.6 million, respectively, and a decrease in ceding commissions of $11.6 million in the third quarter of 2015. Receipt of our profit commission of $142.5 million, in addition to other premium and loss amounts, was also completed as part of the settlement.

Effective July 1, 2015, we entered into a quota share reinsurance agreement ("2015 QSR Transaction") with a group of unaffiliated reinsurers that are the same as our 2013 QSR Transaction. Each of the reinsurers has an insurer financial strength rating of A- or better by Standard and Poor’s Rating Services, A.M. Best or both. The 2015 QSR Transaction will provide coverage on policies that were in the 2013 QSR Transaction with some exclusions; additional qualifying in force policies as of the agreement effective date which either had no history of defaults, or where a single default has been cured for twelve or more months at the agreement effective date; and all qualifying new insurance written through December 31, 2016. The agreement will provide coverage on losses incurred on or after the effective date with renewal premium through December 31, 2024, at which time the agreement expires. The 2015 QSR Transaction increases the amount of our insurance in force covered by reinsurance and will result in an increase in the amount of premiums and losses ceded. Early termination of the agreement can be elected by us effective December 31, 2018 for a fee, or under specified scenarios for no fee upon prior written notice. Further, at our sole discretion we may elect to terminate the agreement if we will receive less than 90% of the full PMIERs credit amount for the risk ceded under the 2015 QSR Transaction in any required calculation period. The structure of the 2015 QSR Transaction is a 30% quota share for all policies covered, with a 20% ceding commission as well as a profit commission. Generally, under the 2015 QSR Transaction, we will receive a profit commission provided that the loss ratio on the loans covered under the agreement remains below 60%.

A summary of our quota share reinsurance agreements, excluding captive agreements, appears below.

	2013 QSR Transaction
	Three Months Ended September 30,					Nine months ended September 30,
	2015 (1)			2014		2015 (1)			2014
	(In thousands)
Ceded premiums written, net of profit commission	$	(69,410	)	$	27,725	$	(11,355	)	$	72,414
Ceded premiums earned, net of profit commission	(11,568		)	23,736		35,999			64,330
Ceded losses incurred	—			4,689		6,060			10,347

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Ceding commissions (2)	(11,568	)	9,922	10,235	27,800
Ceded unearned premiums	—		39,946	—	43,935
Profit commission	11,568		21,887	62,525	66,584

(1) The three and nine months ended September 30, 2015 include the non-recurring impact of commuting our 2013 QSR Transaction in the third quarter. The commutation had no impact on ceded losses incurred.

(2) Ceding commissions are reported within Other underwriting and operating expenses, net on the consolidated statements of operations.

	2015 QSR Transaction
	Three and Nine Months Ended September 30,
	2015
	(In thousands)
Ceded premiums written, net of profit commission (1)	$	22,626
Ceded premiums earned, net of profit commission (1)	22,626
Ceded losses incurred	4,236
Ceding commissions (2)	9,195
Profit commission	23,347

(1) As of July 1, 2015 premiums are ceded on an earned and received basis as defined in our 2015 QSR Transaction.

(2) Ceding commissions are reported within Other underwriting and operating expenses, net on the consolidated statements of

operations.

Under the terms of 2015 QSR Transaction, reinsurance premiums, ceding commission and profit commission are settled net on a quarterly basis. The reinsurance premium due after deducting the related ceding commission and profit commission is reported within "Other liabilities" on the consolidated balance sheet. For periods ending June 30, 2015 and prior, the profit commission accrued has been reported separately on the consolidated balance sheet. As of December 31, 2014, we had accrued a profit commission receivable of $91.5 million.

In the past, MGIC also obtained captive reinsurance. In a captive reinsurance arrangement, the reinsurer is affiliated with the lender for whom MGIC provides mortgage insurance. As part of our settlement with the Consumer Financial Protection Bureau (“CFPB”) in 2013 and with the Minnesota Department of Commerce (the “MN Department”) in June 2015, discussed in Note 5 – “Litigation and Contingencies” MGIC has agreed to not enter into any new captive reinsurance agreement or reinsure any new loans under any existing captive reinsurance agreement for a period of ten years subsequent to the respective settlements. In accordance with the CFPB settlement, all of our active captive arrangements were placed into run-off. In addition, at the time PMIERs become effective on December 31, 2015 the GSEs will not approve any future reinsurance or risk sharing transaction with a mortgage enterprise or an affiliate of a mortgage enterprise.

Captive agreements were generally written on an annual book of business and each captive reinsurer is required to maintain a separate trust account to support its combined reinsured risk on all annual books. MGIC is the sole beneficiary of the trusts, and the trust accounts are made up of capital deposits by the captive reinsurers, premium deposits by MGIC, and investment income earned.  These amounts are held in the trust account and are available to pay reinsured losses. The reinsurance recoverable on loss reserves related to captive agreements was $34 million at September 30, 2015 which was supported by $159 million of trust assets, while at December 31, 2014, the reinsurance recoverable on loss reserves related to captive agreements was $45 million, which was supported by $198 million of trust assets.

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Note 5 – Litigation and Contingencies

Before paying a claim, we review the loan and servicing files to determine the appropriateness of the claim amount. All of our insurance policies provide that we can reduce or deny a claim if the servicer did not comply with its obligations under our insurance policy, including the requirement to mitigate our loss by performing reasonable loss mitigation efforts or, for example, diligently pursuing a foreclosure or bankruptcy relief in a timely manner. We call such reduction of claims submitted to us “curtailments.” In 2014 and the first three quarters of 2015, curtailments reduced our average claim paid by approximately 6.7% and 7.0%, respectively. After we pay a claim, servicers and insureds sometimes object to our curtailments and other adjustments. We review these objections if they are sent to us within 90 days after the claim was paid.

When reviewing the loan file associated with a claim, we may determine that we have the right to rescind coverage on the loan. (In our SEC reports, we refer to insurance rescissions and denials of claims collectively as "rescissions" and variations of that term.) In recent quarters, approximately 5% of claims received in a quarter have been resolved by rescissions, down from the peak of approximately 28% in the first half of 2009. We estimate rescissions mitigated our incurred losses by approximately $2.5 billion in 2009 and $0.2 billion in 2010 and have not significantly mitigated our incurred losses since then. Our loss reserving methodology incorporates our estimates of future rescissions and reversals of rescissions. Historically, reversals of rescissions have been immaterial. A variance between ultimate actual rescission and reversal rates and our estimates, as a result of the outcome of litigation, settlements or other factors, could materially affect our losses.

If the insured disputes our right to rescind coverage, we generally engage in discussions in an attempt to settle the dispute. As part of those discussions, we may voluntarily suspend rescissions we believe may be part of a settlement. Certain settlements require GSE approval. The GSEs consented to two settlement agreements we entered into with Countrywide Home Loans, Inc. (“CHL”) and its affiliate, Bank of America, N.A., as successor to Countrywide Home Loans Servicing LP (“BANA” and collectively with CHL, “Countrywide”), but there is no guarantee they will approve others. We have reached and implemented settlement agreements that do not require GSE approval, but they have not been material in the aggregate.

If we are unable to reach a settlement, the outcome of a dispute ultimately would be determined by legal proceedings. Under our policies in effect prior to October 1, 2014, legal proceedings disputing our right to rescind coverage may be brought up to three years after the lender has obtained title to the property (typically through a foreclosure) or the property was sold in a sale that we approved, whichever is applicable, and under our master policy effective October 1, 2014, such proceedings may be brought up to two years from the date of the notice of rescission. In a few jurisdictions there is a longer time to bring such proceedings.

Until a liability associated with a settlement agreement or litigation becomes probable and can be reasonably estimated, we consider our claim payment or rescission resolved for financial reporting purposes even though discussions and legal proceedings may have been initiated and are ongoing. Under ASC 450-20, an estimated loss from such discussions and proceedings is accrued for only if we determine that the loss is probable and can be reasonably estimated.

In December 2009, we entered into legal proceedings with Countrywide in which Countrywide alleged that MGIC denied valid mortgage insurance claims. In April 2013, MGIC entered into separate settlement agreements with CHL and BANA, pursuant to which the parties agreed to settle the Countrywide litigation as it relates to MGIC’s rescission practices (as amended from time to time, the “Agreements”). The Agreement with BANA covers loans purchased by the GSEs. That original Agreement was implemented beginning in November 2013 and we resolved all related suspended rescissions in November and December 2013 by paying the associated claim or processing the rescission.

On March 2, 2015, the parties to the Agreement with CHL amended and restated that Agreement. The Agreement with CHL covers loans that were purchased by non-GSE investors, including securitization trusts. The original Agreement addressed rescission and denial rights; the amended and restated Agreement also addressed curtailment rights. Implementation of that Agreement occurred in June 2015 with respect to loans for which consent to the Agreement was received.

The estimated impact of the Agreements has been recorded in our financial statements. The pending arbitration proceedings concerning the loans covered by the Agreements have been dismissed, the mutual releases regarding loans for which consent was received have become effective and the litigation between the parties regarding loans covered by the Agreements has been dismissed. Consent was received for approximately 89% of the dollar amount of exposure on loans covered by the Agreement with CHL; the holders of loans that did not consent retain their rights to assert claims with respect to such loans.

The estimated impact that we have recorded for probable settlements, including those that have been implemented, is our best estimate of our loss from these matters. We estimate that as of September 30, 2015, the maximum exposure above the best estimate

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provision we recorded is $124.9 million. If we are not able to implement settlements we consider probable that have not yet been implemented, we intend to defend MGIC vigorously against any related legal proceedings.

The flow policies at issue with Countrywide are in the same form as the flow policies that we used with all of our customers during the period covered by the Agreements, and the bulk policies at issue vary from one another, but are generally similar to those used in the majority of our Wall Street bulk transactions.

In addition to the discussions and/or proceedings for which we have recorded a loss, we are involved in other discussions and/or proceedings with insureds with respect to our claims paying practices. In addition, holders of loans covered by our previously disclosed and implemented settlement agreement with CHL that did not consent to that agreement (approximately 11% of the dollar amount of exposure under that agreement) may bring legal proceedings against MGIC with respect to such loans. Although it is reasonably possible that when these matters are resolved we will not prevail in all cases, we are unable to make a reasonable estimate or range of estimates of the potential liability. We estimate the maximum exposure associated with these matters to be approximately $202.5 million, although we believe we will ultimately resolve these matters for significantly less than this amount.

The estimates of our maximum exposure referred to above do not include interest or consequential or exemplary damages.

Consumers continue to bring lawsuits against home mortgage lenders and settlement service providers. Mortgage insurers, including MGIC, have been involved in litigation alleging violations of the anti-referral fee provisions of the Real Estate Settlement Procedures Act, which is commonly known as RESPA, and the notice provisions of the Fair Credit Reporting Act, which is commonly known as FCRA. MGIC’s settlement of class action litigation against it under RESPA became final in October 2003. MGIC settled the named plaintiffs’ claims in litigation against it under FCRA in December 2004, following denial of class certification in June 2004. Since December 2006, class action litigation has been brought against a number of large lenders alleging that their captive mortgage reinsurance arrangements violated RESPA. Beginning in December 2011, MGIC, together with various mortgage lenders and other mortgage insurers, was named as a defendant in twelve lawsuits, alleged to be class actions, filed in various U.S. District Courts. The complaints in all of the cases alleged various causes of action related to the captive mortgage reinsurance arrangements of the mortgage lenders, including that the lenders’ captive reinsurers received excessive premiums in relation to the risk assumed by those captives, thereby violating RESPA. As of the end of the first quarter of 2015, MGIC has been dismissed from all twelve cases. There can be no assurance that we will not be subject to further litigation under RESPA (or FCRA) or that the outcome of any such litigation would not have a material adverse effect on us.

In 2013, the U.S. District Court for the Southern District of Florida approved a settlement with the CFPB that resolved a federal investigation of MGIC’s participation in captive reinsurance arrangements in the mortgage insurance industry. The settlement concluded the investigation with respect to MGIC without the CFPB or the court making any findings of wrongdoing. As part of the settlement, MGIC agreed that it would not enter into any new captive reinsurance agreement or reinsure any new loans under any existing captive reinsurance agreement for a period of ten years. MGIC had voluntarily suspended most of its captive arrangements in 2008 in response to market conditions and GSE requests. In connection with the settlement, MGIC paid a civil penalty of $2.65 million and the court issued an injunction prohibiting MGIC from violating any provisions of RESPA.

We received requests from the Minnesota Department of Commerce (the “MN Department”) beginning in February 2006 regarding captive mortgage reinsurance and certain other matters in response to which MGIC provided information on several occasions. In June 2015, MGIC executed a Consent Order with the MN Department that resolved the MN Department’s investigation of captive reinsurance matters without making any findings of wrongdoing. The Consent Order provided, among other things, that MGIC is prohibited from entering into any new captive reinsurance agreement or reinsuring any new loans under any existing captive reinsurance agreement for a period of ten years.

We also received a request in June 2005 from the New York Department of Financial Services for information regarding captive mortgage reinsurance arrangements and other types of arrangements in which lenders receive compensation.

Various regulators, including the CFPB, state insurance commissioners and state attorneys general may bring actions seeking various forms of relief in connection with alleged violations of RESPA. The insurance law provisions of many states prohibit paying for the referral of insurance business and provide various mechanisms to enforce this prohibition. While we believe our practices are in conformity with applicable laws and regulations, it is not possible to predict the eventual scope, duration or outcome of any such reviews or investigations nor is it possible to predict their effect on us or the mortgage insurance industry.

In December 2013, the U.S. Treasury Department’s Federal Insurance Office released a report that calls for federal standards and oversight for mortgage insurers to be developed and implemented. It is uncertain what form the standards and oversight will take and when they will become effective.

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In addition to the matters described above, we are involved in other legal proceedings in the ordinary course of business. In our opinion, based on the facts known at this time, the ultimate resolution of these ordinary course legal proceedings will not have a material adverse effect on our financial position or results of operations.

Through a non-insurance subsidiary, we utilize our underwriting skills to provide an outsourced underwriting service to our customers known as contract underwriting. As part of the contract underwriting activities, that subsidiary is responsible for the quality of the underwriting decisions in accordance with the terms of the contract underwriting agreements with customers. That subsidiary may be required to provide certain remedies to its customers if certain standards relating to the quality of our underwriting work are not met, and we have an established reserve for such future obligations. Claims for remedies may be made a number of years after the underwriting work was performed. Beginning in the second half of 2009, our subsidiary experienced an increase in claims for contract underwriting remedies, which continued throughout 2012. The underwriting remedy expense for 2014 and the first nine months of 2015 was approximately $4 million and $1 million, respectively, but may increase in the future.

See Note 11 – “Income Taxes” for a description of federal income tax contingencies.

Note 6 – Earnings per Share

Basic earnings per share (“EPS”) is calculated by dividing net income by the weighted average number of common shares outstanding during the reporting period. Diluted EPS includes the components of basic EPS and also gives effect to dilutive common equivalent shares outstanding during the reporting period. We calculate diluted EPS using the treasury stock method for unvested restricted stock, and the if-converted method for convertible debt instruments. For unvested restricted stock, assumed proceeds under the treasury stock method would include unamortized compensation expense and windfall tax benefits or shortfalls. The determination of potentially issuable shares from our convertible debt instruments does not consider satisfaction of the conversion requirements and the shares are included in the determination of diluted EPS as of the beginning of the period, if dilutive. In addition, interest expense, net of tax, related to dilutive convertible debt instruments is added back to earnings in calculating diluted EPS.

The following table reconciles the numerators and denominators used to calculate basic and diluted EPS and also indicates the number of antidilutive securities.

	Three months ended September 30,				Nine months ended September 30,
	2015		2014		2015		2014
	(In thousands, except per share data and as otherwise noted)
Basic earnings per share:
Net income	$	822,852	$	72,017	$	1,069,582	$	177,521
Weighted average common shares outstanding	339,701		338,626		339,504		338,488
Basic income per share	$	2.42	$	0.21	$	3.15	$	0.52
Diluted earnings per share:
Net income	$	822,852	$	72,017	$	1,069,582	$	177,521
Interest expense, net of tax (1):
2% Convertible Senior Notes due 2020	1,982		3,049		5,946		9,148
5% Convertible Senior Notes due 2017	3,050		—		9,150		—
9% Convertible Junior Subordinated Debentures due 2063	5,697		—		17,090		—
Diluted income available to common shareholders	$	833,581	$	75,066	$	1,101,768	$	186,669

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Weighted average shares - basic	339,701		338,626		339,504		338,488
Effect of dilutive securities:
Unvested restricted stock units	1,983		3,008		2,128		3,043
2% Convertible Senior Notes due 2020	71,942		71,942		71,942		71,942
5% Convertible Senior Notes due 2017	25,670		—		25,670		—
9% Convertible Junior Subordinated Debentures due 2063	28,853		—		28,853		—
Weighted average shares - diluted	468,149		413,576		468,097		413,473
Diluted income per share	$	1.78	$	0.18	$	2.35	$	0.45
Antidilutive securities (in millions)	—		54.5		—		54.5

(1) Due to the valuation allowance recorded against deferred tax assets, the three and nine months ended September 30, 2014 were not tax effected. The three and nine months ended September 30, 2015 have been tax effected at a rate of 35%.

Note 7 – Investments

The amortized cost, gross unrealized gains and losses and fair value of the investment portfolio at September 30, 2015 and December 31, 2014 are shown below.

September 30, 2015	Amortized Cost		Gross  Unrealized Gains		Gross Unrealized Losses (1)			Fair Value
	(In thousands)
U.S. Treasury securities and obligations of U.S. government corporations and agencies	$	104,419	$	2,287	$	(1,740	)	$	104,966
Obligations of U.S. states and political subdivisions	1,595,458		24,306		(7,243		)	1,612,521
Corporate debt securities	2,142,500		7,722		(29,650		)	2,120,572
Asset-backed securities	132,271		346		(80		)	132,537
Residential mortgage-backed securities	278,737		275		(7,541		)	271,471
Commercial mortgage-backed securities	253,143		1,048		(1,504		)	252,687
Collateralized loan obligations	61,342		—		(1,056		)	60,286
Debt securities issued by foreign sovereign governments	30,477		2,876		(62		)	33,291
Total debt securities	4,598,347		38,860		(48,876		)	4,588,331
Equity securities	5,595		52		(13		)	5,634
Total investment portfolio	$	4,603,942	$	38,912	$	(48,889	)	$	4,593,965

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December 31, 2014	Amortized  Cost		Gross  Unrealized  Gains		Gross Unrealized  Losses (1)			Fair Value
	(In thousands)
U.S. Treasury securities and obligations of U.S. government corporations and agencies	$	349,153	$	2,752	$	(5,130	)	$	346,775
Obligations of U.S. states and political subdivisions	844,942		12,961		(2,761		)	855,142
Corporate debt securities	2,418,991		16,325		(10,035		)	2,425,281
Asset-backed securities	286,260		535		(140		)	286,655
Residential mortgage-backed securities	329,983		254		(9,000		)	321,237
Commercial mortgage-backed securities	276,215		1,221		(2,158		)	275,278
Collateralized loan obligations	61,340		—		(1,264		)	60,076
Debt securities issued by foreign sovereign governments	35,630		3,540		—			39,170
Total debt securities	4,602,514		37,588		(30,488		)	4,609,614
Equity securities	3,003		61		(9		)	3,055
Total investment portfolio	$	4,605,517	$	37,649	$	(30,497	)	$	4,612,669

(1) At September 30, 2015 and December 31, 2014, there were no other-than-temporary impairment losses recorded in other comprehensive income.

Our foreign investments primarily consist of the investment portfolio supporting our Australian domiciled subsidiary. This portfolio is comprised of Australian government and semi government securities, representing 86% of the market value of our foreign investments with the remainder invested in corporate securities and cash equivalents with allocations of 10% and 4%, respectively. Eighty-seven percent of the Australian portfolio is rated AAA or its equivalent, by one or more of Moody’s, Standard & Poor’s and Fitch Ratings, and the remaining 13% is rated AA or its equivalent.

The amortized cost and fair values of debt securities at September 30, 2015, by contractual maturity, are shown below. Expected maturities will differ from contractual maturities because borrowers may have the right to call or prepay obligations with or without call or prepayment penalties. Because most asset-backed and mortgage-backed securities and collateralized loan obligations provide for periodic payments throughout their lives, they are listed below in separate categories.

September 30, 2015	Amortized Cost		Fair Value
	(In thousands)
Due in one year or less	$	191,371	$	192,007
Due after one year through five years	1,611,819		1,622,178
Due after five years through ten years	1,130,625		1,113,217
Due after ten years	939,039		943,948
	$	3,872,854	$	3,871,350
Asset-backed securities	132,271		132,537
Residential mortgage-backed securities	278,737		271,471
Commercial mortgage-backed securities	253,143		252,687
Collateralized loan obligations	61,342		60,286
Total at September 30, 2015	$	4,598,347	$	4,588,331

At September 30, 2015 and December 31, 2014, the investment portfolio had gross unrealized losses of $48.9 million and $30.5 million, respectively.  For those securities in an unrealized loss position, the length of time the securities were in such a position, as measured by their month-end fair values, is as follows:

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	Less Than 12 Months				12 Months or Greater				Total
September 30, 2015	Fair Value		Unrealized Losses		Fair Value		Unrealized Losses		Fair Value		Unrealized Losses
	(In thousands)
U.S. Treasury securities and obligations of U.S. government corporations and agencies	$	25,781	$	295	$	15,534	$	1,445	$	41,315	$	1,740
Obligations of U.S. states and political   subdivisions	231,647		6,626		43,865		617		275,512		7,243
Corporate debt securities	1,045,477		27,190		140,995		2,460		1,186,472		29,650
Asset-backed securities	36,920		64		5,567		16		42,487		80
Residential mortgage-backed securities	39,870		414		201,435		7,127		241,305		7,541
Commercial mortgage-backed securities	74,403		698		79,411		806		153,814		1,504
Collateralized loan obligations	—		—		60,286		1,056		60,286		1,056
Foreign government securities	2,177		62		—		—		2,177		62
Equity securities	319		4		173		9		492		13
Total	$	1,456,594	$	35,353	$	547,266	$	13,536	$	2,003,860	$	48,889

	Less Than 12 Months				12 Months or Greater				Total
December 31, 2014	Fair Value		Unrealized  Losses		Fair Value		Unrealized Losses		Fair Value		Unrealized  Losses
	(In thousands)
U.S. Treasury securities and obligations of U.S. government corporations and agencies	$	58,166	$	138	$	232,351	$	4,992	$	290,517	$	5,130
Obligations of U.S. states and political   subdivisions	166,408		1,066		114,465		1,695		280,873		2,761
Corporate debt securities	816,555		5,259		243,208		4,776		1,059,763		10,035
Asset-backed securities	54,491		80		11,895		60		66,386		140
Residential mortgage-backed securities	24,168		34		263,002		8,966		287,170		9,000
Commercial mortgage-backed securities	89,301		810		110,652		1,348		199,953		2,158
Collateralized loan obligations	—		—		60,076		1,264		60,076		1,264
Equity securities	167		1		235		8		402		9
Total	$	1,209,256	$	7,388	$	1,035,884	$	23,109	$	2,245,140	$	30,497

The unrealized losses in all categories of our investments at September 30, 2015 and December 31, 2014 were primarily caused by the difference in interest rates at each respective period, compared to interest rates at the time of purchase. There were 369 and 423 securities in an unrealized loss position at September 30, 2015 and December 31, 2014, respectively.

During each of the three and nine months ended September 30, 2015 and 2014 there were no other-than-temporary impairments (“OTTI”) recognized. The net realized investment gains (losses) on the investment portfolio are as follows:

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	Three Months Ended September 30,				Nine Months Ended September 30,
	2015		2014		2015		2014
	(In thousands)
Realized investment gains (losses) on investments:
Fixed maturities	$	638	$	629	$	27,123	$	755
Equity securities	2		3		10		168
Net realized investment gains	$	640	$	632	$	27,133	$	923

	Three Months Ended September 30,						Nine Months Ended September 30,
	2015			2014			2015			2014
	(In thousands)
Realized investment gains (losses) on investments:
Gains on sales	$	720		$	1,161		$	28,711		$	3,273
Losses on sales	(80		)	(529		)	(1,578		)	(2,350		)
Net realized investment gains	$	640		$	632		$	27,133		$	923

Note 8 – Fair Value Measurements

In accordance with fair value guidance, we applied the following fair value hierarchy in order to measure fair value for assets and liabilities:

Level 1 – Quoted prices for identical instruments in active markets that we can access. Financial assets utilizing Level 1 inputs primarily include U.S. Treasury securities, equity securities, and Australian government and semi government securities.

Level 2 – Quoted prices for similar instruments in active markets; quoted prices for identical or similar instruments in markets that are not active; and inputs, other than quoted prices, that are observable in the marketplace for the financial instrument. The observable inputs are used in valuation models to calculate the fair value of the financial instruments. Financial assets utilizing Level 2 inputs primarily include obligations of U.S. government corporations and agencies and certain municipal and corporate bonds.

Level 3 – Valuations are derived from valuation techniques in which one or more significant inputs or value drivers are unobservable or are par values for equity securities restricted in their ability to be redeemed or sold. Level 3 inputs reflect our own assumptions about the assumptions a market participant would use in pricing an asset or liability. Financial assets utilizing Level 3 inputs primarily include equity securities that can only be redeemed or sold at their par value and only to the security issuer and certain state premium tax credit investments. The state premium tax credit investments have an average maturity of less than 3 years, credit ratings of AA+ or higher, and their balance reflects their remaining scheduled payments discounted at an average annual rate of 7.2%. Our non-financial assets that are classified as Level 3 securities consist of real estate acquired through claim settlement. The fair value of real estate acquired is the lower of our acquisition cost or a percentage of the appraised value. The percentage applied to the appraised value is based upon our historical sales experience adjusted for current trends.

To determine the fair value of securities available-for-sale in Level 1 and Level 2 of the fair value hierarchy, independent pricing sources have been utilized. One price is provided per security based on observable market data. To ensure securities are appropriately classified in the fair value hierarchy, we review the pricing techniques and methodologies of the independent pricing sources and believe that their policies adequately consider market activity, either based on specific transactions for the issue valued or based on modeling of securities with similar credit quality, duration, yield and structure that were recently traded. A variety of inputs are utilized by the independent pricing sources including benchmark yields, reported trades, non-binding broker/dealer quotes, issuer spreads, two sided markets, benchmark securities, bids, offers and reference data including data published in market research publications. Inputs may be weighted differently for any security, and not all inputs are used for each security evaluation. Market indicators, industry and economic events are also considered. This information is evaluated using a multidimensional pricing model.  Quality controls are performed by the independent pricing sources throughout this process, which include reviewing tolerance reports, trading information and data changes, and directional moves compared to market moves. This model combines all inputs to arrive at a value assigned to each security.  In addition, on a quarterly basis, we perform quality controls over values

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received from the pricing sources which include reviewing tolerance reports, trading information and data changes, and directional moves compared to market moves. We have not made any adjustments to the prices obtained from the independent pricing sources.

Fair value measurements for assets measured at fair value included the following as of September 30, 2015 and December 31, 2014:

September 30, 2015	Total Fair Value		Quoted Prices  in Active  Markets for  Identical Assets  (Level 1)		Significant  Other  Observable  Inputs  (Level 2)		Significant  Unobservable Inputs  (Level 3)
	(In thousands)
U.S. Treasury securities and obligations of U.S. government corporations and  agencies	$	104,966	$	18,418	$	86,548	$	—
Obligations of U.S. states and political subdivisions	1,612,521		—		1,611,134		1,387
Corporate debt securities	2,120,572		—		2,120,572		—
Asset-backed securities	132,537		—		132,537		—
Residential mortgage-backed securities	271,471		—		271,471		—
Commercial mortgage-backed securities	252,687		—		252,687		—
Collateralized loan obligations	60,286		—		60,286		—
Debt securities issued by foreign sovereign governments	33,291		33,291		—		—
Total debt securities	4,588,331		51,709		4,535,235		1,387
Equity securities (1)	5,634		2,778		—		2,856
Total investment portfolio	$	4,593,965	$	54,487	$	4,535,235	$	4,243
Real estate acquired (2)	$	10,084	$	—	$	—	$	10,084

December 31, 2014	Total Fair Value		Quoted Prices in Active Markets for Identical Assets  (Level 1)		Significant Other Observable Inputs  (Level 2)		Significant Unobservable Inputs  (Level 3)
	(In thousands)
U.S. Treasury securities and obligations  of U.S. government corporations and   agencies	$	346,775	$	188,824	$	157,951	$	—
Obligations of U.S. states and political  subdivisions	855,142		—		853,296		1,846
Corporate debt securities	2,425,281		—		2,425,281		—
Asset-backed securities	286,655		—		286,655		—
Residential mortgage-backed securities	321,237		—		321,237		—
Commercial mortgage-backed securities	275,278		—		275,278		—
Collateralized loan obligations	60,076		—		60,076		—
Debt securities issued by foreign  sovereign governments	39,170		39,170		—		—
Total debt securities	4,609,614		227,994		4,379,774		1,846
Equity securities (1)	3,055		2,734		—		321
Total investment portfolio	$	4,612,669	$	230,728	$	4,379,774	$	2,167
Real estate acquired (2)	$	12,658	$	—	$	—	$	12,658

(1) Equity securities in Level 3 are carried at cost, which approximates fair value.

(2) Real estate acquired through claim settlement, which is held for sale, is reported in Other assets on the consolidated balance sheets.

21

There were no transfers of securities between Level 1 and Level 2 during the first nine months of 2015.

For assets measured at fair value using significant unobservable inputs (Level 3), a reconciliation of the beginning and ending balances for the three and nine months ended September 30, 2015 and 2014 is as follows:

	Debt  Securities			Equity  Securities		Total Investments			Real Estate  Acquired
	(In thousands)
Balance at June 30, 2015	$	1,634		$	321	$	1,955		$	7,995
Total realized/unrealized gains (losses):
Included in earnings and reported as losses incurred, net	—			—		—			(1,031		)
Purchases	—			2,535		2,535			9,632
Sales	(247		)	—		(247		)	(6,512		)
Transfers into Level 3	—			—		—			—
Transfers out of Level 3	—			—		—			—
Balance at September 30, 2015	$	1,387		$	2,856	$	4,243		$	10,084
Amount of total losses included in earnings for the three months ended September 30, 2015 attributable to the change in  unrealized losses on assets still held at September 30, 2015	$	—		$	—	$	—		$	—

	Debt  Securities			Equity  Securities		Total Investments			Real Estate Acquired
	(In thousands)
Balance at December 31, 2014	$	1,846		$	321	$	2,167		$	12,658
Total realized/unrealized gains (losses):
Included in earnings and reported as losses incurred, net	—			—		—			(1,503		)
Purchases	7			2,535		2,542			26,346
Sales	(466		)	—		(466		)	(27,417		)
Transfers into Level 3	—			—		—			—
Transfers out of Level 3	—			—		—			—
Balance at September 30, 2015	$	1,387		$	2,856	$	4,243		$	10,084
Amount of total losses included in earnings for the nine months ended September 30, 2015 attributable to the change in unrealized losses on assets still held at September 30, 2015	$	—		$	—	$	—		$	—

	Debt  Securities			Equity Securities		Total Investments			Real Estate Acquired
	(In thousands)
Balance at June 30, 2014	$	2,231		$	321	$	2,552		$	10,804
Total realized/unrealized gains (losses):
Included in earnings and reported as losses incurred, net	—			—		—			(2,062		)
Purchases	—			—		—			14,107
Sales	(237		)	—		(237		)	(6,284		)
Transfers into Level 3	—			—		—			—
Transfers out of Level 3	—			—		—			—
Balance at September 30, 2014	$	1,994		$	321	$	2,315		$	16,565
Amount of total losses included in earnings for the three months ended September 30, 2014 attributable to the change in  unrealized losses on assets still held at September 30, 2014	$	—		$	—	$	—		$	—

22

	Debt  Securities			Equity Securities		Total Investments			Real Estate Acquired
	(In thousands)
Balance at December 31, 2013	$	2,423		$	321	$	2,744		$	13,280
Total realized/unrealized gains (losses):
Included in earnings and reported as losses incurred, net	—			—		—			(4,378		)
Purchases	30			—		30			33,484
Sales	(459		)	—		(459		)	(25,821		)
Transfers into Level 3	—			—		—			—
Transfers out of Level 3	—			—		—			—
Balance at September 30, 2014	$	1,994		$	321	$	2,315		$	16,565
Amount of total losses included in earnings for the nine months ended September 30, 2014 attributable to the change in unrealized losses on assets still held at September 30, 2014	$	—		$	—	$	—		$	—

Authoritative guidance over disclosures about the fair value of financial instruments requires additional disclosure for financial instruments not measured at fair value. Certain financial instruments, including insurance contracts, are excluded from these fair value disclosure requirements. The carrying values of cash and cash equivalents (Level 1) and accrued investment income (Level 2) approximated their fair values.

Additional fair value disclosures related to our investment portfolio are included in Note 7 – “Investments.”

We incur financial liabilities in the normal course of our business. The following tables present the carrying value and fair value of our financial liabilities disclosed, but not carried, at fair value at September 30, 2015 and December 31, 2014, and the level within the fair value hierarchy at which such liabilities are measured on a recurring basis.

September 30, 2015	Par  Value		Total Fair Value		Quoted Prices in Active Markets for Identical Assets  (Level 1)		Significant Other Observable Inputs  (Level 2)		Significant Unobservable Inputs  (Level 3)
	(In thousands)
Financial liabilities:
Senior Notes	$	61,953	$	62,027	$	—	$	62,027	$	—
Convertible Senior Notes due 2017	345,000		366,749		—		366,749		—
Convertible Senior Notes due 2020	500,000		719,375		—		719,375		—
Convertible Junior Subordinated Debentures	389,522		485,648		—		485,648		—
Total Debt	$	1,296,475	$	1,633,799	$	—	$	1,633,799	$	—

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December 31, 2014	Par  Value		Total Fair Value		Quoted Prices in Active Markets for Identical Assets  (Level 1)		Significant Other Observable  Inputs  (Level 2)		Significant Unobservable  Inputs  (Level 3)
	(In thousands)
Financial liabilities:
Senior Notes	$	61,953	$	63,618	$	—	$	63,618	$	—
Convertible Senior Notes due 2017	345,000		387,997		—		387,997		—
Convertible Senior Notes due 2020	500,000		735,075		—		735,075		—
Convertible Junior Subordinated Debentures	389,522		500,201		—		500,201		—
Total Debt	$	1,296,475	$	1,686,891	$	—	$	1,686,891	$	—

The fair values of our Senior Notes, Convertible Senior Notes and Debentures were determined using available pricing for these notes or debentures and are considered Level 2 securities.

Note 9 – Other Comprehensive Income

The pretax components of our other comprehensive income (loss) and the related income tax (expense) benefit for the three and nine months ended September 30, 2015 and 2014 are included in the tables below.

	Three Months Ended September 30,
	2015			2014
	(In thousands)
Net unrealized holding gains (losses) arising during the period	$	27,271		$	(17,377	)
Income tax (expense) benefit	(9,531		)	6,069
Valuation allowance (1)	77,555			(5,993		)
Net of taxes	95,295			(17,301		)
Net changes in benefit plan assets and obligations	(546		)	(1,732		)
Income tax benefit	192			606
Valuation allowance (1)	(7,001		)	(606		)
Net of taxes	(7,355		)	(1,732		)
Net changes in unrealized foreign currency translation adjustment	(3,724		)	(3,835		)
Income tax benefit	1,306			1,345
Valuation allowance (1)	(529		)	—
Net of taxes	(2,947		)	(2,490		)
Total other comprehensive income (loss)	23,001			(22,944		)
Total income tax benefit, net of valuation allowance	61,992			1,421
Total other comprehensive income (loss), net of tax	$	84,993		$	(21,523	)

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	Nine Months Ended September 30,
	2015			2014
	(In thousands)
Net unrealized holding (losses) gains arising during the period	$	(17,126	)	$	67,102
Income tax benefit (expense)	5,955			(23,436		)
Valuation allowance (1)	62,383			23,132
Net of taxes	51,212			66,798
Net changes in benefit plan assets and obligations	(1,638		)	(5,198		)
Income tax benefit	574			1,819
Valuation allowance (1)	(7,383		)	(1,819		)
Net of taxes	(8,447		)	(5,198		)
Net changes in unrealized foreign currency translation adjustment	(6,228		)	(1,000		)
Income tax benefit	2,186			350
Valuation allowance (1)	(529		)	—
Net of taxes	(4,571		)	(650		)
Total other comprehensive (loss) income	(24,992		)	60,904
Total income tax benefit, net of valuation allowance	63,186			46
Total other comprehensive income, net of tax	$	38,194		$	60,950

(1) See Note 11 – “Income Taxes” for a discussion of the valuation allowance recorded against deferred tax assets.

The pretax and related income tax (expense) benefit components of the amounts reclassified from our accumulated other comprehensive loss to our consolidated statements of operations for the three and nine months ended September 30, 2015 and 2014 are included in the tables below.

	Three Months Ended September 30,
	2015			2014
	(In thousands)
Reclassification adjustment for net realized gains (losses) included in net income	$	(1,120	)	$	(840	)
Income tax benefit	395			299
Valuation allowance	(413		)	(330		)
Net of taxes	(1,138		)	(871		)
Reclassification adjustment related to benefit plan assets and obligations	546			1,732
Income tax expense	(192		)	(606		)
Valuation allowance	192			606
Net of taxes	546			1,732
Total reclassifications	(574		)	892
Total income tax expense, net of valuation allowance	(18		)	(31		)
Total reclassifications, net of tax	$	(592	)	$	861

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	Nine Months Ended September 30,
	2015			2014
	(In thousands)
Reclassification adjustment for net realized gains (losses) included in net income (1)	$	10,591		$	(5,725	)
Income tax (expense) benefit	(3,697		)	2,014
Valuation allowance	3,635			(2,075		)
Net of taxes	10,529			(5,786		)
Reclassification adjustment related to benefit plan assets and obligations	1,638			5,198
Income tax expense	(574		)	(1,819		)
Valuation allowance	574			1,819
Net of taxes	1,638			5,198
Total reclassifications	12,229			(527		)
Total income tax expense, net of valuation allowance	(62		)	(61		)
Total reclassifications, net of tax	$	12,167		$	(588	)

(1) The reclassification adjustment for the nine months ended September 30, 2014 has been recast to conform to the 2015 method for determining amounts included in net income. This revision had no impact to our consolidated financial statements and is not material to amounts disclosed by us in prior periods.

Changes in our accumulated other comprehensive loss (“AOCL”), including amounts reclassified from other comprehensive income (loss), for the nine months ended September 30, 2015 are included in the table below.

	Nine Months Ended September 30, 2015
	Unrealized gains and losses on available-for- sale securities				Defined benefit plans				Foreign currency translation			Total accumulated other comprehensive loss
	(In thousands)
Balance at December 31, 2014, net of tax	$	(57,551	)		$	(28,938	)		$	5,148		$	(81,341	)
Other comprehensive income (loss) before reclassifications	61,741				(6,809		)		(4,571		)	50,361
Less: Amounts reclassified from AOCL	10,529			(1)	1,638			(2)	—			12,167
Balance at September 30, 2015, net of tax	$	(6,339	)		$	(37,385	)		$	577		$	(43,147	)

(1) Increases Net realized investment gains on the consolidated statements of operations.

(2) Decreases Other underwriting and operating expenses, net on the consolidated statements of operations.

Note 10 – Benefit Plans

The following table provides the components of net periodic benefit cost for the pension, supplemental executive retirement and other postretirement benefit plans:

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	Three Months Ended September 30,
	Pension and Supplemental Executive Retirement Plans						Other Postretirement Benefits
	2015			2014			2015			2014
	(In thousands)
Service cost	$	2,564		$	2,142		$	208		$	165
Interest cost	3,962			3,997			174			164
Expected return on plan assets	(5,278		)	(5,258		)	(1,248		)	(1,162		)
Recognized net actuarial loss (gain)	1,372			271			(44		)	(109		)
Amortization of prior service cost	(211		)	(233		)	(1,661		)	(1,663		)
Net periodic benefit cost (benefit)	$	2,409		$	919		$	(2,571	)	$	(2,605	)

	Nine Months Ended September 30,
	Pension and Supplemental Executive Retirement Plans						Other Postretirement Benefits
	2015			2014			2015			2014
	(In thousands)
Service cost	$	7,692		$	6,425		$	624		$	494
Interest cost	11,886			11,991			523			491
Expected return on plan assets	(15,832		)	(15,773		)	(3,743		)	(3,486		)
Recognized net actuarial loss (gain)	4,114			812			(132		)	(326		)
Amortization of prior service cost	(633		)	(698		)	(4,986		)	(4,988		)
Net periodic benefit cost (benefit)	$	7,227		$	2,757		$	(7,714	)	$	(7,815	)

We have made payments totaling $17 million in connection with our qualified pension and supplemental executive retirement plans, completing our annual funding for 2015.

Note 11 – Income Taxes

Valuation Allowance

We review the need to maintain the deferred tax asset valuation allowance on a quarterly basis. We analyze many factors, among which are the severity and frequency of operating losses, our capacity for the carryback or carryforward of any losses, the existence and current level of taxable operating income, operating results on a three year cumulative basis, the expected occurrence of future income or loss, the expiration dates of the loss carryforwards, the cyclical nature of our operating results, and available tax planning strategies. Based on our analysis, we reduced our benefit from income tax through the recognition of a valuation allowance from the first quarter of 2009 through the second quarter of 2015.

In the third quarter of 2015, based on our analysis, as described more fully below, we concluded that it was more likely than not that our deferred tax assets would be fully realizable and that the valuation allowance was no longer necessary. Therefore, we reversed the valuation allowance under the applicable accounting rules for a reversal in an interim period. Specifically, the portion of the valuation allowance release related to the deferred tax asset that is expected to be realized in the current year is included in the computation of the annual estimated effective tax rate. This amount, which totaled $124.4 million and $25.3 million for the first three quarters and the fourth quarter of 2015, respectively, is or will be applied to net income through a reduction of the tax provision. The portion of the valuation allowance release related to deferred tax assets that are expected to be realized in future years, totaling $758.9 million, is treated as a discrete period item and is recognized as a component of the tax provision in continuing operations in the period of the release. Furthermore, in determining the discrete period impact from the release, we removed the prior period disproportionate tax effects that had arisen in other comprehensive income because of the valuation allowance. This reduced the amount of tax benefit included in net income and resulted in an allocation of tax benefit of $60.8 million to components of other comprehensive income.

For each of the three and nine months ended September 30, 2015, the reversal of our valuation allowance against our net deferred tax assets resulted in a $698.1 million benefit in our provision for income taxes. In addition, we reversed $41.2 million and $124.4

27

million of our valuation allowance and reduced our tax provision on income for the three and nine months ended September 30, 2015, respectively. The change in valuation allowance that was included in other comprehensive income for the three and nine months ended September 30, 2015 was $70.0 million and $54.5 million, respectively. The total valuation allowance as of December 31, 2014 was $902.3 million.

The following table provides a roll forward of our deferred tax asset valuation allowance for the nine months ended September 30, 2015.

	For the nine months ended September 30, 2015 and period then ended
	(In millions)
Beginning Balance December 31, 2014	$	902.3
Reduction in tax provision for the nine months ended September 30, 2015	(124.4		)
Reduction in tax provision allocated to the three months ended December 31, 2015	(25.3		)
Amounts recorded in other comprehensive income for the nine months ended September 30, 2015	6.3
Change in valuation allowance for deferred tax assets in the current year	(143.4		)
Amounts related to the release of the deferred tax asset valuation allowance recorded in the three months ending September 30, 2015
Reduction in tax provision for amounts to be realized in future years	(698.1		)
Amounts recorded in other comprehensive income to be realized in future years	(60.8		)
Change in valuation allowance for deferred tax assets realizable in future years	(758.9		)
Ending Balance September 30, 2015	$	—

In our analysis we evaluated both subjective and objective evidence and assigned a weight to each one. Significant weight was given to our most recent operating results and our ability to sustain them. We have experienced a significant reduction in losses incurred as our level of default notices received and in inventory has declined, as the effects of the financial crisis continue to ebb. New insurance written in recent years has been of high quality and is expected to be profitable well into the future. Historically, the results of mortgage insurers have been cyclical, where periods of operating losses have been followed by significant amounts of income. All of these factors have had a positive effect on operating results. Our level of income for each of the first three quarters of 2015 exceeded $100 million. We viewed the recurring nature of our income as very important, objectively verifiable evidence and gave it great weight in our analysis. Based on the above, we believe that we will have significant sources of income which will allow for utilization of our deferred tax assets.

Generally, a significant component of any analysis for the recognition of deferred tax assets includes the objective observation of operating results for a period of time. In this regard, we considered the level of cumulative operating income, as adjusted for any permanent tax differences. There is no specific requirement that indicates the time span for this evaluation. In our evaluation, we used a three year period, which, based on our investigation, is commonly used by many publicly held entities. Prior to the third quarter of 2015, this three year cumulative total had been materially negative for an extended period of time, which we considered to be objective, negative evidence which would not support the release of the valuation allowance. In the third quarter, this amount became positive and totaled $194.1 million, which we believe provided additional objective evidence which supports the release of the valuation allowance.

In the fourth quarter of 2013, our net operating loss carryforward (“NOL”) for U.S. federal regular income tax purposes reached $2.6 billion, which was the highest amount it attained. As of September 30, 2015, the estimated remaining NOLs total $2.1 billion, a reduction of approximately $500 million in less than two years. At this rate, and without taking into account any improvement in earnings, we would utilize the NOL in approximately seven years. In addition to this history of the utilization of our NOLs, we considered that the amount of income that we have been generating has been increasing over time. In the first three quarters of 2015, we reduced our NOLs by an average of $120.4 million per quarter, whereas in 2014 that amount was $52.2 million per quarter. At the 2015 rate, we would utilize the NOLs on our return by the end of 2020. The earliest current expiration date for our NOLs is 2029. This recent history of positive earnings trends indicates that it is more likely than not that the NOLs would be utilized well before they expire. Further, we currently have no limitations under the change in control provisions of Internal

28

Revenue Code Section 382, which would reduce our ability to utilize our NOLs. We have taken steps, primarily through our Amended and Restated Rights Agreement, to attempt to prevent any change in control which would limit the utilization of our NOLs.

The effect of the change in valuation allowance on the provision for income taxes was as follows:

	Three months ended September 30,						Nine months ended September 30,
	2015			2014			2015			2014
	(In thousands)
Provision for income tax	$	43,694		$	25,030		$	131,568		$	65,322
Change in valuation allowance	(739,298		)	(24,781		)	(822,465		)	(63,229		)
(Benefit from) provision for income taxes	$	(695,604	)	$	249		$	(690,897	)	$	2,093

The change in the valuation allowance that was included in other comprehensive income for the three months ended September 30, 2015 and 2014 was a decrease of $70.0 million and an increase of $6.6 million, respectively. The change in the valuation allowance that was included in other comprehensive income for the nine months ended September 30, 2015 and 2014 was a decrease of $54.5 million and a decrease of $21.3 million, respectively.

We have approximately $2.1 billion of NOL carryforwards on a regular tax basis and $1.2 billion of NOL carryforwards for computing the alternative minimum tax as of September 30, 2015. Any unutilized carryforwards are scheduled to expire at the end of tax years 2029 through 2033. In future years with taxable income and until such time as our NOL carryforwards are exhausted or expired, our provision for income tax would likely exceed the amount of cash tax payments.

Tax Contingencies

As previously disclosed, the Internal Revenue Service (“IRS”) completed examinations of our federal income tax returns for the years 2000 through 2007 and issued proposed assessments for taxes, interest and penalties related to our treatment of the flow-through income and loss from an investment in a portfolio of residual interests of Real Estate Mortgage Investment Conduits (“REMICs”). The IRS indicated that it did not believe that, for various reasons, we had established sufficient tax basis in the REMIC residual interests to deduct the losses from taxable income. We appealed these assessments within the IRS and in August 2010, we reached a tentative settlement agreement with the IRS which was not finalized.

On September 10, 2014, we received Notices of Deficiency (commonly referred to as “90 day letters”) covering the 2000-2007 tax years. The Notices of Deficiency reflect taxes and penalties related to the REMIC matters of $197.5 million and at September 30, 2015, there would also be interest related to these matters of approximately $179.2 million. In 2007, we made a payment of $65.2 million to the United States Department of the Treasury which will reduce any amounts we would ultimately owe. The Notices of Deficiency also reflect additional amounts due of $261.4 million, which are primarily associated with the disallowance of the carryback of the 2009 net operating loss to the 2004-2007 tax years. We believe the IRS included the carryback adjustments as a precaution to keep open the statute of limitations on collection of the tax that was refunded when this loss was carried back, and not because the IRS actually intends to disallow the carryback permanently.

We filed a petition with the U.S. Tax Court contesting most of the IRS' proposed adjustments reflected in the Notices of Deficiency and the IRS has filed an answer to our petition which continues to assert their claim. Litigation to resolve our dispute with the IRS could be lengthy and costly in terms of legal fees and related expenses. We can provide no assurance regarding the outcome of any such litigation or whether a compromised settlement with the IRS will ultimately be reached and finalized. Depending on the outcome of this matter, additional state income taxes and state interest may become due when a final resolution is reached. As of September 30, 2015, those state taxes and interest would approximate $48.4 million. In addition, there could also be state tax penalties. Our total amount of unrecognized tax benefits as of September 30, 2015 is $106.9 million, which represents the tax benefits generated by the REMIC portfolio included in our tax returns that we have not taken benefit for in our financial statements, including any related interest. We continue to believe that our previously recorded tax provisions and liabilities are appropriate. However, we would need to make appropriate adjustments, which could be material, to our tax provision and liabilities if our view of the probability of success in this matter changes, and the ultimate resolution of this matter could have a material negative impact on our effective tax rate, results of operations, cash flows, available assets and statutory capital. In this regard, see Note 1 – “Nature of Business – Capital-GSEs.”

29

In October 2014, we received a Revenue Agent’s Report from the IRS related to the examination of our federal income tax returns for the years 2011 and 2012.  The result of the examination had no material effect on the financial statements.

The total amount of the unrecognized tax benefits, related to our aforementioned REMIC issue that would affect our effective tax rate is $93.7 million. We recognize interest accrued and penalties related to unrecognized tax benefits in income taxes. As of September 30, 2015 and December 31, 2014, we had accrued $27.6 million and $26.9 million, respectively, for the payment of interest.

Note 12 – Loss Reserves

We establish reserves to recognize the estimated liability for losses and loss adjustment expenses (“LAE”) related to defaults on insured mortgage loans. Loss reserves are established by estimating the number of loans in our inventory of delinquent loans that will result in a claim payment, which is referred to as the claim rate, and further estimating the amount of the claim payment, which is referred to as claim severity.

Estimation of losses is inherently judgmental. The conditions that affect the claim rate and claim severity include the current and future state of the domestic economy, including unemployment, and the current and future strength of local housing markets. The actual amount of the claim payments may be substantially different than our loss reserve estimates. Our estimates could be adversely affected by several factors, including a deterioration of regional or national economic conditions, including unemployment, leading to a reduction in borrower income and thus their ability to make mortgage payments, and a drop in housing values which may affect borrower willingness to continue to make mortgage payments when the value of the home is below the mortgage balance. Changes to our estimates could result in a material impact to our results of operations and capital position, even in a stable economic environment.

The following table provides a reconciliation of beginning and ending loss reserves for the nine months ended September 30, 2015 and 2014:

	Nine months ended September 30,
	2015			2014
	(In thousands)
Reserve at beginning of period	$	2,396,807		$	3,061,401
Less reinsurance recoverable	57,841			64,085
Net reserve at beginning of period	2,338,966			2,997,316
Losses incurred:
Losses and LAE incurred in respect of default notices related to:
Current year	338,611			454,390
Prior years (1)	(90,130		)	(75,387		)
Subtotal	248,481			379,003
Losses paid:
Losses and LAE paid in respect of default notices related to:
Current year	9,227			11,574
Prior years	652,465			895,061
Reinsurance terminations (2)	(15,440		)	—
Subtotal	646,252			906,635
Net reserve at end of period	1,941,195			2,469,684
Plus reinsurance recoverables	38,748			57,898
Reserve at end of period	$	1,979,943		$	2,527,582

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(1) A negative number for prior year losses incurred indicates a redundancy of prior year loss reserves and a positive number for prior year losses incurred indicates a deficiency of prior year loss reserves.

(2) In a termination or commutation, the reinsurance agreement is cancelled, with no future premium ceded and funds for any incurred but unpaid losses transferred to us. The transferred funds result in an increase in our investment portfolio (including cash and cash equivalents) and a decrease in net losses paid (reduction in losses incurred). In addition, there is an offsetting decrease in the reinsurance recoverable (increase in losses incurred), and thus there is no net impact to losses incurred.

The “Losses incurred” section of the table above shows losses incurred on default notices received in the current year and in prior years.  The amount of losses incurred relating to default notices received in the current year represents the estimated amount to be ultimately paid on such default notices.  The amount of losses incurred relating to default notices received in prior years represents the actual claim rate and severity associated with those default notices resolved in the current year differing from the estimated liability at the prior year-end, as well as a re-estimation of amounts to be ultimately paid on defaults remaining in inventory from the end of the prior year.  This re-estimation of the estimated claim rate and estimated severity is the result of our review of current trends in the default inventory, such as percentages of defaults that have resulted in a claim, the amount of the claims, changes in the relative level of defaults by geography and changes in average loan exposure.

Losses incurred on default notices received in the current year decreased in the first nine months of 2015 compared to the same period in 2014, primarily due to a decrease in the number of new default notices received, net of related cures, as well as a decrease in the estimated claim rate on new delinquencies.

The prior year development of the reserves in the first nine months of 2015 and 2014 is reflected in the table below.

	Nine months ended September 30,
	2015			2014
	(In millions)
Decrease in estimated claim rate on primary defaults	$	(95	)	$	(38	)
Increase in estimated severity on primary defaults	12			(20		)
Change in estimates related to pool reserves, LAE reserves and reinsurance	(7		)	(17		)
Total prior year loss development (1)	$	(90	)	$	(75	)

(1) A negative number for prior year loss development indicates a redundancy of prior year loss reserves, and a positive number indicates a deficiency of prior year loss reserves.

For the nine months ended September 30, 2015 and 2014 we experienced favorable prior year loss reserve development. This development was primarily due to a lower claim rate on the approximately 52% and 50% of prior year default inventory that was resolved during the nine months ended September 30, 2015 and 2014, respectively.  In addition, during the first nine months of 2015, the claim rate development was favorably impacted by $21 million due to re-estimation of previously recorded reserves relating to disputes on our claims paying practices and adjustments to incurred but not reported losses (IBNR).  This favorable development was offset, in part, by an increase in the claim rate and severity on prior year defaults remaining in the delinquent inventory.

The “Losses paid” section of the table above shows the breakdown between claims paid on default notices received in the current year and claims paid on default notices received in prior years. Until a few years ago, it took, on average, approximately twelve months for a default that is not cured to develop into a paid claim. Over the past several years, the average time it takes to receive a claim associated with a default has increased. This is, in part, due to new loss mitigation protocols established by servicers and to changes in some state foreclosure laws that may include, for example, a requirement for additional review and/or mediation processes. It is difficult to estimate how long it may take for current and future defaults that do not cure to develop into paid claims.

The liability associated with our estimate of premiums to be refunded on expected claim payments is accrued for separately at September 30, 2015 and December 31, 2014 and approximated $105 million and $115 million, respectively. Separate components of this liability are included in “Other liabilities” and, for December 31, 2014, “Premium deficiency reserve” on our consolidated balance sheet. Changes in the liability affect premiums written and earned and change in premium deficiency reserve.

A rollforward of our primary default inventory for the three and nine months ended September 30, 2015 and 2014 appears in the table below. The information concerning new notices and cures is compiled from monthly reports received from loan servicers.

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The level of new notice and cure activity reported in a particular month can be influenced by, among other things, the date on which a servicer generates its report, the number of business days in a month and transfers of servicing between loan servicers.

	Three months ended September 30,				Nine months ended September 30,
	2015		2014		2015		2014
Default inventory at beginning of period	66,357		85,416		79,901		103,328
New notices	19,509		22,927		55,856		67,451
Cures	(17,036	)	(19,582	)	(56,700	)	(68,082	)
Paids (including those charged to a deductible or captive)	(3,958	)	(5,288	)	(12,671	)	(18,420	)
Rescissions and denials	(230	)	(319	)	(623	)	(1,123	)
Items removed from inventory resulting from the Countrywide settlement on GSE loans	—		—		(1,121	)	—
Default inventory at end of period	64,642		83,154		64,642		83,154

Pool insurance notice inventory was 2,950 at September 30, 2015 and 4,525 at September 30, 2014.

The decrease in the primary default inventory experienced during 2015 and 2014 was generally across all markets and primarily in book years 2008 and prior. As of September 30, 2015 the percentage of loans in the inventory that have been in default for 12 or more consecutive months has declined compared with the prior year end and one year prior, as shown in the table below. Historically as a default ages it becomes more likely to result in a claim. The percentage of loans that have been in default for 12 or more consecutive months and the number of loans in our primary claims received inventory have been affected by our suspended rescissions and the resolution of certain of those rescissions discussed below and in Note 5 – “Litigation and Contingencies.”

	September 30, 2015			December 31, 2014			September 30, 2014
Consecutive months in default
3 months or less	13,991	22	%	15,319	19	%	16,209	19	%
4 - 11 months	14,703	23	%	19,710	25	%	18,890	23	%
12 months or more	35,948	55	%	44,872	56	%	48,055	58	%
Total primary default inventory	64,642	100	%	79,901	100	%	83,154	100	%
Primary claims received inventory included in ending default inventory (1)	2,982	5	%	4,746	6	%	5,194	6	%

(1) Our claims received inventory includes suspended rescissions, as we have voluntarily suspended rescissions of coverage related to loans that we believed would be included in a potential resolution. As of September 30, 2015, rescissions of coverage on approximately 430 loans had been voluntarily suspended compared to 1,425 at December 31, 2014 and 1,575 at September 30, 2014.

The number of months a loan is in the default inventory can differ from the number of payments that the borrower has not made or is considered delinquent. These differences typically result from a borrower making monthly payments that do not result in the loan becoming fully current. The number of payments that a borrower is delinquent is shown in the table below.

	September 30, 2015			December 31, 2014			September 30, 2014
Number of payments delinquent
3 payments or less	20,637	32	%	23,253	29	%	23,769	28	%
4 - 11 payments	14,890	23	%	19,427	24	%	18,985	23	%
12 payments or more	29,115	45	%	37,221	47	%	40,400	49	%
Total primary default inventory	64,642	100	%	79,901	100	%	83,154	100	%

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Claims paying practices

Our loss reserving methodology incorporates our estimates of future rescissions. A variance between ultimate actual rescission rates and our estimates, as a result of the outcome of litigation, settlements or other factors, could materially affect our losses.

The liability associated with our estimate of premiums to be refunded on expected future rescissions is accrued for separately. At September 30, 2015 and December 31, 2014 the estimate of this liability totaled $7 million and $28 million, respectively. Separate components of this liability are included in “Other liabilities” and, for December 31, 2014, “Premium deficiency reserve” on our consolidated balance sheets. Changes in the liability affect premiums written and earned and change in premium deficiency reserve.

For information about discussions and legal proceedings with customers with respect to our claims paying practices, including settlements that we believe are probable, as defined in ASC 450-20, see Note 5 – “Litigation and Contingencies.”

Note 13 – Premium Deficiency Reserve

The premium deficiency reserve reflects the present value of expected future losses and expenses that exceed the present value of expected future premiums and established loss reserves. Each quarter, we re-estimate the premium deficiency reserve on the remaining Wall Street bulk insurance in force. As of September 30, 2015, no premium deficiency was required, consistent with the period ended June 30, 2015.  The decrease in the premium deficiency reserve for the nine months ended September 30, 2015 was $24 million, and the decrease for the three and nine months ended September 30, 2014 was $6 million and $19 million, respectively.

Note 14 – Shareholders’ Equity

Our Shareholders Rights Agreement dated July 25, 2012, which was approved by shareholders, was amended and restated on July 23, 2015 (the “Agreement”). The Agreement seeks to diminish the risk that our ability to use our net operating losses (“NOLs”) to reduce potential future federal income tax obligations may become substantially limited and to deter certain abusive takeover practices. The benefit of the NOLs would be substantially limited, and the timing of the usage of the NOLs could be substantially delayed, if we were to experience an “ownership change” as defined by Section 382 of the Internal Revenue Code.

Under the Agreement each outstanding share of our Common Stock is accompanied by one Right. The Distribution Date occurs on the earlier of ten days after a public announcement that a person has become an Acquiring Person, or ten business days after a person announces or begins a tender offer in which consummation of such offer would result in a person becoming an Acquiring Person. An Acquiring Person is any person that becomes, by itself or together with its affiliates and associates, a beneficial owner of 5% or more of the shares of our Common Stock then outstanding, but excludes, among others, certain exempt and grandfathered persons as defined in the Agreement. The Rights are not exercisable until the Distribution Date. Each Right will initially entitle shareholders to buy one-tenth of one share of our Common Stock at a Purchase Price of $45 per full share (equivalent to $4.50 for each one-tenth share), subject to adjustment. Each exercisable Right (subject to certain limitations) will entitle its holder to purchase, at the Rights’ then-current Purchase Price, a number of our shares of Common Stock (or if after the Shares Acquisition Date, we are acquired in a business combination, common shares of the acquiror) having a market value at the time equal to twice the Purchase Price. The Rights will expire on August 1, 2018, or earlier as described in the Agreement. The Rights are redeemable at a price of $0.001 per Right at any time prior to the time a person becomes an Acquiring Person. Other than certain amendments, the Board of Directors may amend the Rights in any respect without the consent of the holders of the Rights.

Note 15 – Stock-Based Compensation

We have an incentive stock plan under which restricted stock units (“RSUs”) were granted to employees. Our annual grant of share-based compensation to employees takes place during the first quarter of each fiscal year. Under the fair value method, compensation cost is measured at the grant date based on the fair value of the award and is recognized over the service period which generally corresponds to the vesting period. Awards under our incentive plan generally vest over periods ranging from one to three years. The number of shares granted to employees and the weighted average fair value per share during the periods presented were (shares in thousands):

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	Nine months ended September 30,
	2015			2014
	Shares Granted	Weighted Average Share Fair Value		Shares Granted	Weighted Average Share Fair Value
RSUs subject to performance conditions	1,144	$	9.04	1,372	$	8.43
RSUs subject only to service conditions	410	8.99		409	8.43

Note 16 – Statutory Capital

Statutory Capital Requirements

The insurance laws of 16 jurisdictions, including Wisconsin, our domiciliary state, require a mortgage insurer to maintain a minimum amount of statutory capital relative to the risk in force (or a similar measure) in order for the mortgage insurer to continue to write new business. We refer to these requirements as the “State Capital Requirements” and, together with the GSE Financial Requirements, the “Financial Requirements.” While they vary among jurisdictions, the most common State Capital Requirements allow for a maximum risk-to-capital ratio of 25 to 1. A risk-to-capital ratio will increase if (i) the percentage decrease in capital exceeds the percentage decrease in insured risk, or (ii) the percentage increase in capital is less than the percentage increase in insured risk. Wisconsin does not regulate capital by using a risk-to-capital measure but instead requires a minimum policyholder position (“MPP”). The “policyholder position” of a mortgage insurer is its net worth or surplus, contingency reserve and a portion of the reserves for unearned premiums.

At September 30, 2015, MGIC’s risk-to-capital ratio was 12.3 to 1, below the maximum allowed by the jurisdictions with State Capital Requirements, and its policyholder position was $1.1 billion above the required MPP of $1.1 billion. In calculating our risk-to-capital ratio and MPP, we are allowed full credit for the risk ceded under our reinsurance transaction with a group of unaffiliated reinsurers. It is possible that under the revised State Capital Requirements discussed below, MGIC will not be allowed full credit for the risk ceded to the reinsurers. If MGIC is not allowed an agreed level of credit under either the State Capital Requirements or the PMIERs, MGIC may terminate the reinsurance agreement, without penalty. At this time, we expect MGIC to continue to comply with the current State Capital Requirements; however, you should read the rest of these financial statement footnotes for information about matters that could negatively affect such compliance.

At September 30, 2015, the risk-to-capital ratio of our combined insurance operations (which includes reinsurance affiliates) was 13.6 to 1. Reinsurance agreements with affiliates permit MGIC to write insurance with a higher coverage percentage than it could on its own under certain state-specific requirements.  A higher risk-to-capital ratio on a combined basis may indicate that, in order for MGIC to continue to utilize reinsurance agreements with its affiliates, unless a waiver of the State Capital Requirements of Wisconsin continues to be effective, additional capital contributions to the reinsurance affiliates could be needed.

The NAIC previously announced that it plans to revise the minimum capital and surplus requirements for mortgage insurers that are provided for in its Mortgage Guaranty Insurance Model Act. A working group of state regulators is drafting the revisions, although no date has been established by which the NAIC must propose revisions to such requirements. Depending on the scope of revisions made by the NAIC, MGIC may be prevented from writing new business in the jurisdictions adopting such revisions.

If MGIC fails to meet the State Capital Requirements of Wisconsin and is unable to obtain a waiver of them from the OCI, MGIC could be prevented from writing new business in all jurisdictions. If MGIC fails to meet the State Capital Requirements of a jurisdiction other than Wisconsin and is unable to obtain a waiver of them, MGIC could be prevented from writing new business in that particular jurisdiction. It is possible that regulatory action by one or more jurisdictions, including those that do not have specific State Capital Requirements, may prevent MGIC from continuing to write new insurance in such jurisdictions.

If we are unable to write business in all jurisdictions, lenders may be unwilling to procure insurance from us anywhere. In addition, a lender’s assessment of the future ability of our insurance operations to meet the Financial Requirements may affect its willingness to procure insurance from us. A possible future failure by MGIC to meet the Financial Requirements will not necessarily mean that MGIC lacks sufficient resources to pay claims on its insurance liabilities. While we believe MGIC has sufficient claims paying resources to meet its claim obligations on its insurance in force on a timely basis, you should read the rest of these financial statement footnotes for information about matters that could negatively affect MGIC’s claims paying resources.

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Statement of Statutory Accounting Principles No. 101 (“SSAP No. 101”) became effective January 1, 2012 and prescribed new standards for determining the amount of deferred tax assets that can be recognized as admitted assets for determining statutory capital. Under a permitted practice effective September 30, 2012 the OCI approved MGIC to report its net deferred tax asset as an admitted asset in an amount not to exceed 10% of adjusted surplus as regards policyholders, notwithstanding any contrary provisions of SSAP No. 101. Net deferred tax assets of $138 million were included in MGIC’s statutory capital at December 31, 2014. Due to the deferred tax asset valuation allowance reversal as of September 30, 2015, MGIC no longer relies on the permitted practice and the deferred tax asset is admitted according to the stated provisions of SSAP No. 101. Under the stated provisions of SSAP No. 101, the admitted net deferred tax asset is 15% of adjusted surplus as regards policyholders. Net deferred tax assets of $211 million were included in MGIC's statutory capital as of September 30, 2015.

See Note 1 – “Nature of Business and Basis of Presentation – Capital” for additional information regarding the capital standards of the GSEs.

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Item 2. Management’s Discussion and Analysis of Financial Condition and Results of Operations

Overview

Through our subsidiaries MGIC and MIC, we are a leading provider of private mortgage insurance in the United States, as measured by $172.7 billion of primary insurance in force at September 30, 2015.

As used below, “we” and “our” refer to MGIC Investment Corporation’s consolidated operations. The discussion below should be read in conjunction with "Management's Discussion and Analysis of Financial Condition and Results of Operations" in our Annual Report on Form 10-K for the year ended December 31, 2014. We refer to this Discussion as the “10-K MD&A.” For additional information about such loans, see footnote (2) to the composition of primary default inventory table under “Results of Consolidated Operations-Losses-Losses incurred” below. The discussion of our business in this document generally does not apply to our Australian operations which have historically been immaterial. The results of our operations in Australia are included in the consolidated results disclosed. For additional information about our Australian operations, see our risk factor titled “Our Australian operations may suffer significant losses” and “Overview—Australia” in our 10-K MD&A.

Forward Looking and Other Statements

As discussed under “Forward Looking Statements and Risk Factors” below, actual results may differ materially from the results contemplated by forward looking statements. We are not undertaking any obligation to update any forward looking statements or other statements we may make in the following discussion or elsewhere in this document even though these statements may be affected by events or circumstances occurring after the forward looking statements or other statements were made. Therefore no reader of this document should rely on these statements being current as of any time other than the time at which this document was filed with the Securities and Exchange Commission.

General Business Environment

As a provider of mortgage insurance, our results are subject to macroeconomic conditions and specific events that impact the mortgage origination environment and the credit performance of the underlying insured mortgages. The origination market through the first nine months of 2015 was strong in part because low residential mortgage interest rates led to a significant increase in refinancing activity and also supported a higher level of purchase activity. While lower residential mortgage interest rates increase loan activity, they may reduce the persistency rate of insurance in force as current rates would provide an incentive for homeowners who originated mortgages at higher rates to refinance their mortgages. Our level of incurred losses however, may be favorably impacted if homeowners with delinquent mortgages can cure their delinquency through a sale or modification. During the first three quarters of 2015, we experienced improved financial results compared to the first three quarters of 2014, due in part to a lower level of incurred losses as we received fewer notices of delinquencies and experienced a lower claim rate on these notices relative to the prior year and had favorable prior year loss development, in part due to a re-estimation of reserves relating to disputes regarding our claims paying practices. In addition to lower losses, our financial results for the first three quarters of 2015 benefited from realized gains on the sales of securities under favorable market conditions.

As of September 30, 2015, our insurance in force increased 6% compared to one year prior as a result of increasing market share in the second half of 2014 and a stronger mortgage origination market through the first nine months of 2015. We continue to experience an increasing level of application activity compared to the prior year that supports our expectation to increase our new insurance written in 2015 relative to 2014. As our post-2008 book years containing high-quality mortgages continue to become a more significant percentage of our insurance in force relative to our pre-2009 book years, we expect to continue to realize positive operating results.

For a number of years, substantially all of the loans we insured have been sold to the GSEs, which have been in conservatorship since late 2008.  When the conservatorship will end and what role, if any, the GSEs will play in the secondary mortgage market post-conservatorship will be determined by Congress.  The scope of the FHA’s large market presence may also change in connection with the determination of the future of the GSEs. See our risk factor titled “Changes in the business practices of the GSEs, federal legislation that changes their charters or a restructuring of the GSEs could reduce our revenues or increase our losses.”   While we strongly believe private mortgage insurance should be an integral part of credit enhancement in a future mortgage market, its role in that market cannot be predicted.

Capital

GSEs

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In April 2015, the GSEs each released revised PMIERs that become effective December 31, 2015. The PMIERs include revised GSE Financial Requirements under which a mortgage insurer’s “Available Assets” (generally only the most liquid assets of an insurer) must meet or exceed “Minimum Required Assets” (which are based on an insurer’s book and are calculated from tables of factors with several risk dimensions and are subject to a floor amount).

Based on our interpretation of the PMIERs, we expect that MGIC will be in compliance with the PMIERs when they become effective. This expectation reflects, among other things, that the GSEs have allowed full credit under the PMIERs for the risk ceded under our restructured quota share reinsurance transaction. In the third quarter of 2015, the restructured transaction became effective after being approved by each of the GSEs and the Office of the Commissioner of Insurance of the State of Wisconsin (“OCI”). The GSEs’ ongoing approval of the transaction is subject to several conditions and the transaction will be reviewed under the PMIERs at least annually by the GSEs.

We expect to increase our Available Assets in the future by repatriating to MGIC certain assets of MGIC's MIC subsidiary. If additional Available Assets are required in the future, we believe that a portion of our holding company’s cash and investments may be available for future contribution to MGIC.

There can be no assurance that the GSEs will not make the PMIERs more onerous in the future; in this regard, the PMIERs provide that the tables of factors that determine Minimum Required Assets will be updated every two years and may be updated more frequently to reflect changes in macroeconomic conditions or loan performance. The GSEs will provide notice 180 days prior to the effective date of table updates. In addition, the GSEs may amend the PMIERs at any time. If MGIC ceases to be eligible to insure loans purchased by one or both of the GSEs, it would significantly reduce the volume of our new business writings.

See our risk factor titled “We may not continue to meet the GSEs’ mortgage insurer eligibility requirements and our returns may decrease as we are required to maintain more capital in order to maintain our eligibility” for factors that may negatively impact MGIC’s ability to comply with the GSE Financial Requirements before their effective date.

State Regulations

The insurance laws of 16 jurisdictions, including Wisconsin, our domiciliary state, require a mortgage insurer to maintain a minimum amount of statutory capital relative to the risk in force (or a similar measure) in order for the mortgage insurer to continue to write new business. We refer to these requirements as the “State Capital Requirements.” While they vary among jurisdictions, the most common State Capital Requirements allow for a maximum risk-to-capital ratio of 25 to 1. A risk-to-capital ratio will increase if (i) the percentage decrease in capital exceeds the percentage decrease in insured risk, or (ii) the percentage increase in capital is less than the percentage increase in insured risk. Wisconsin does not regulate capital by using a risk-to-capital measure but instead requires a minimum policyholder position (“MPP”). The “policyholder position” of a mortgage insurer is its net worth or surplus, contingency reserve and a portion of the reserves for unearned premiums.

At September 30, 2015, MGIC’s risk-to-capital ratio was 12.3 to 1, below the maximum allowed by the jurisdictions with State Capital Requirements, and its policyholder position was $1.1 billion above the required MPP of $1.1 billion. In calculating our risk-to-capital ratio and MPP, we are allowed full credit for the risk ceded under our reinsurance transaction with a group of unaffiliated reinsurers. It is possible that under the revised State Capital Requirements discussed below, MGIC will not be allowed full credit for the risk ceded to the reinsurers. If MGIC is not allowed an agreed level of credit under either the State Capital Requirements or the PMIERs, MGIC may terminate the reinsurance agreement, without penalty.At this time, we expect MGIC to continue to comply with the current State Capital Requirements; however, refer to our risk factor titled “State capital requirements may prevent us from continuing to write new insurance on an uninterrupted basis” for more information about matters that could negatively affect such compliance.

GSE Reform

The FHFA is the conservator of the GSEs and has the authority to control and direct their operations. The increased role that the federal government has assumed in the residential housing finance system through the GSE conservatorship may increase the likelihood that the business practices of the GSEs change in ways that have a material adverse effect on us and that the charters of the GSEs are changed by new federal legislation. The financial reform legislation that was passed in July 2010 (the “Dodd-Frank Act” or “Dodd-Frank”) required the U.S. Department of the Treasury to report its recommendations regarding options for ending the conservatorship of the GSEs. This report did not provide any definitive timeline for GSE reform; however, it did recommend using a combination of federal housing policy changes to wind down the GSEs, shrink the government’s footprint in housing finance (including FHA insurance), and help bring private capital back to the mortgage market. Since then, Members of Congress introduced several bills intended to change the business practices of the GSEs and the FHA; however, no legislation has been enacted. As a result of the matters referred to above, it is uncertain what role the GSEs, FHA and private capital, including

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private mortgage insurance, will play in the residential housing finance system in the future or the impact of any such changes on our business. In addition, the timing of the impact of any resulting changes on our business is uncertain. Most meaningful changes would require Congressional action to implement and it is difficult to estimate when Congressional action would be final and how long any associated phase-in period may last.

Dodd-Frank requires lenders to consider a borrower’s ability to repay a home loan before extending credit. The Consumer Financial Protection Bureau (“CFPB”) rule defining “Qualified Mortgage” (“QM”) for purposes of implementing the “ability to repay” law became effective in January 2014 and included a temporary category of QMs for mortgages that satisfy the general product feature requirements of QMs and meet the GSEs’ underwriting requirements (the “temporary category”). The temporary category will phase out when the GSEs’ conservatorship ends, or if sooner, on January 21, 2021.

Dodd-Frank requires a securitizer to retain at least 5% of the risk associated with mortgage loans that are securitized, and in some cases the retained risk may be allocated between the securitizer and the lender that originated the loan. The final rule implementing that requirement will become effective on December 24, 2015 for asset-backed securities collateralized by residential mortgages. The final rule exempts securitizations of qualified residential mortgages (“QRMs”) from the risk retention requirement and generally aligns the QRM definition with that of QM. Because there is a temporary category of QMs for mortgages that satisfy the general product feature requirements of QMs and meet the GSEs’ underwriting requirements, lenders that originate loans that are sold to the GSEs while they are in conservatorship would not be required to retain risk associated with those loans. The final rule requires the agencies that implemented the rule to review the QRM definition no later than four years after its effective date and every five years thereafter, and allows each agency to request a review of the definition at any time.

We estimate that for our new risk written in 2014 and the first three quarters of 2015, 83% and 85%, respectively, was for loans that would have met the CFPB’s general QM definition and, therefore, the QRM definition. We estimate that approximately 99% of our new risk written in each of 2014 and the first three quarters of 2015, was for loans that would have met the temporary category in CFPB’s QM definition. Changes in the treatment of GSE-guaranteed mortgage loans in the regulations defining QM and QRM, or changes in the conservatorship or capital support provided to the GSEs by the U.S. Government, could impact the manner in which the risk-retention rules apply to GSE securitizations, originators who sell loans to GSEs and our business.

The GSEs have different loan purchase programs that allow different levels of mortgage insurance coverage. Under the “charter coverage” program, on certain loans lenders may choose a mortgage insurance coverage percentage that is less than the GSEs’ “standard coverage” and only the minimum required by the GSEs’ charters, with the GSEs paying a lower price for such loans. In 2014 and the first three quarters of 2015, nearly all of our volume was on loans with GSE standard or higher coverage. We charge higher premium rates for higher coverage percentages. To the extent lenders selling loans to the GSEs in the future choose lower coverage for loans that we insure, our revenues would be reduced and we could experience other adverse effects.

For additional information about the business practices of the GSEs, see our risk factor titled “Changes in the business practices of the GSEs, federal legislation that changes their charters or a restructuring of the GSEs could reduce our revenues or increase our losses.”

Loan Modification and Other Similar Programs

Our operating results continue to be impacted by the Home Affordable Modification Program (“HAMP”) and the GSEs’ Home Affordable Refinance Program (“HARP”). During the first nine months of each of 2015 and 2014, we were notified of modifications that cured delinquencies that had they become paid claims would have resulted in approximately $479 million and $620 million, respectively, of estimated claim payments. Based on information that is provided to us, most of the modifications resulted in reduced payments from interest rate and/or amortization period adjustments. Approximately 7% of the modifications resulted in principal forgiveness in each of the first nine months of 2015 and 2014, respectively.

In each of 2014 and the first three quarters of 2015, approximately 16% of our primary cures were the result of modifications, with HAMP accounting for approximately 67% of the modifications in each of those periods.We are aware of approximately 5,150 loans in our primary delinquent inventory at September 30, 2015 for which the HAMP trial period has begun and which trial periods have not been reported to us as completed or cancelled. The HAMP program has been extended through December 2016, however we believe that we have realized the majority of the benefits from HAMP as the number of loans insured by us that we are aware are entering HAMP trial modification periods has decreased significantly.

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HARP, currently scheduled to expire December 31, 2016, allows borrowers who are not delinquent but who may not otherwise be able to refinance their loans under the current GSE underwriting standards, to refinance their loans. We allow HARP refinances on loans that we insure, regardless of whether the loan meets our current underwriting standards, and we account for the refinance as a loan modification (even where there is a new lender) rather than new insurance written. As of September 30, 2015, approximately 13% of our primary insurance in force had benefited from HARP and was still in force. We believe that we have realized the majority of the benefits from HARP because the number of loans insured by us that we are aware are entering HARP has decreased significantly.

As shown in the following table, as of September 30, 2015 approximately 24% of our primary risk in force has been modified.

Policy year	HARP (1) Modifications		HAMP Modifications		Other Modifications
2003 and Prior	10.6	%	16.4	%	14.1	%
2004	17.1	%	16.3	%	12.4	%
2005	22.5	%	17.2	%	12.3	%
2006	25.9	%	19.0	%	12.8	%
2007	36.0	%	19.0	%	8.1	%
2008	50.0	%	11.3	%	4.0	%
2009	23.1	%	1.2	%	0.9	%
2010 - Q3 2015	—		—		—
Total	13.1	%	6.7	%	3.7	%

(1) Includes proprietary programs that are substantially the same as HARP.

As of September 30, 2015 based on loan count, the loans associated with 97.8% of HARP modifications, 77.5% of HAMP modifications and 71.5% of other modifications remaining in our inventory were current.

Eligibility under certain loan modification programs can adversely affect us by creating an incentive for borrowers who are able to make their mortgage payments to become delinquent in an attempt to obtain the benefits of a modification. New notices of delinquency increase our incurred losses.

Over the past several years, the average time it takes to receive a claim associated with a defaulted loan has increased. This is, in part, due to new loss mitigation protocols established by servicers and to changes in some state foreclosure laws that may include, for example, a requirement for additional review and/or mediation processes. Unless a loan is cured during a foreclosure delay, at the completion of the foreclosure, additional interest and expenses may be due to the lender from the borrower. In some circumstances, our paid claim amount may include some additional interest and expenses.

Factors Affecting Our Results

Our results of operations are affected by:

• Premiums written and earned

Premiums written and earned in a year are influenced by:

• New insurance written, which increases insurance in force, and is the aggregate principal amount of the mortgages that are insured during a period. Many factors affect new insurance written, including the volume of low down payment home mortgage originations and competition to provide credit enhancement on those mortgages, including competition from the FHA and VA, other mortgage insurers, GSE programs that may reduce or eliminate the demand for mortgage insurance and other alternatives to mortgage insurance. New insurance written does not include loans previously insured by us which are modified, such as loans modified under HARP.

• Cancellations, which reduce insurance in force. Cancellations due to refinancings are affected by the level of current mortgage interest rates compared to the mortgage coupon rates throughout the in force book. Refinancings are also

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affected by current home values compared to values when the loans in the in force book became insured and the terms on which mortgage credit is available. Cancellations also include rescissions, which require us to return any premiums received related to the rescinded policy, and policies cancelled due to claim payment, which require us to return any premium received from the date of default. Finally, cancellations are affected by home price appreciation, which can give homeowners the right to cancel the mortgage insurance on their loans.

• Premium rates, which are affected by product type, competitive pressures, the risk characteristics of the loans insured and the percentage of coverage on the loans. The substantial majority of our monthly mortgage insurance premiums are under a premium plan in which, for the first ten years of the policy, the amount of premium is determined by multiplying the premium rate by the original loan balance; thereafter, the premium declines because a lower premium rate is used for the remaining life of the policy. However, for loans that have utilized HARP, the initial ten-year period was reset to begin as of the date of the HARP transaction. The remainder of our monthly premiums are under a premium plan in which premiums are determined by a fixed percentage of the loan’s amortizing balance over the life of the policy.

• Premiums ceded, net of a profit commission, under reinsurance agreements.

Premiums are generated by the insurance that is in force during all or a portion of the period. A change in the average insurance in force in the current period compared to an earlier period is a factor that will increase (when the average in force is higher) or reduce (when it is lower) premiums written and earned in the current period, although this effect may be enhanced (or mitigated) by differences in the average premium rate between the two periods as well as by premiums that are returned or expected to be returned in connection with claim payments and rescissions, and premiums ceded under reinsurance agreements. Also, new insurance written and cancellations during a period will generally have a greater effect on premiums written and earned in subsequent periods than in the period in which these events occur.

• Investment income

Our investment portfolio is comprised principally of investment grade fixed income securities. The principal factors that influence investment income are the size of the portfolio and its yield. As measured by amortized cost (which excludes changes in fair market value, such as from changes in interest rates), the size of the investment portfolio is mainly a function of cash generated from (or used in) operations, such as net premiums received, investment earnings, net claim payments and expenses, and cash provided by (or used for) non-operating activities, such as debt or stock issuances or repurchases. From time to time we may elect to realize gains on securities that are trading above our cost basis. Realized gains and losses are a function of the difference between the amount received on the sale of a security and the security’s amortized cost, as well as any “other than temporary” impairments recognized in earnings.  The amount received on the sale of fixed income securities is affected by the coupon rate of the security compared to the yield of comparable securities at the time of sale.

• Losses incurred

Losses incurred are the current expense that reflects estimated payments that will ultimately be made as a result of defaults on insured loans. As explained under “Critical Accounting Policies” in our 10-K MD&A, except in the case of a premium deficiency reserve, we recognize an estimate of this expense only for delinquent loans. Losses incurred are generally affected by:

• The state of the economy, including unemployment and housing values, each of which affects the likelihood that loans will become delinquent and whether loans that are delinquent cure their delinquency. The level of new delinquencies has historically followed a seasonal pattern, with new delinquencies in the first part of the year lower than new delinquencies in the latter part of the year, though this pattern can be affected by the state of the economy and local housing markets.

• The product mix of the in force book, with loans having higher risk characteristics generally resulting in higher delinquencies and claims.

• The size of loans insured, with higher average loan amounts tending to increase losses incurred.

• The percentage of coverage on insured loans, with deeper average coverage tending to increase incurred losses.

• Changes in housing values, which affect our ability to mitigate our losses through sales of properties with defaulted mortgages as well as borrower willingness to continue to make mortgage payments when the value of the home is below the mortgage balance.

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• The rate at which we rescind policies. Our estimated loss reserves reflect mitigation from rescissions of policies and denials of claims. We collectively refer to such rescissions and denials as “rescissions” and variations of this term.

• The distribution of claims over the life of a book. Historically, the first few years after loans are originated are a period of relatively low claims, with claims increasing substantially for several years subsequent and then declining, although persistency (percentage of insurance remaining in force from one year prior), the condition of the economy, including unemployment and housing prices, and other factors can affect this pattern. For example, a weak economy or housing price declines can lead to claims from older books increasing, continuing at stable levels or experiencing a lower rate of decline. See further information under “Mortgage Insurance Earnings and Cash Flow Cycle” below.

• Losses ceded under reinsurance agreements. See “Reinsurance agreements” below.

• Changes in premium deficiency reserve

Each quarter, we re-estimate the premium deficiency reserve on the remaining Wall Street bulk insurance in force. The premium deficiency reserve primarily changes from quarter to quarter as a result of two factors.  First, it changes as the actual premiums, losses and expenses that were previously estimated are recognized. Each period such items are reflected in our financial statements as earned premium, losses incurred and expenses. The difference between the amount and timing of actual earned premiums, losses incurred and expenses and our previous estimates used to establish the premium deficiency reserve has an effect (either positive or negative) on that period’s results. Second, the premium deficiency reserve changes as our assumptions relating to the present value of expected future premiums, losses and expenses on the remaining Wall Street bulk insurance in force change. Changes to these assumptions also have an effect on that period’s results.

• Underwriting and other expenses

The majority of our operating expenses are fixed, with some variability due to contract underwriting volume. Contract underwriting generates fee income included in “Other revenue.” Underwriting and other expenses are net of any ceding commission associated with our reinsurance agreements. See “Reinsurance agreements” below.

• Interest expense

Interest expense reflects the interest associated with our outstanding debt obligations. The principal amount of our long-term debt obligations at September 30, 2015 is comprised of $61.9 million of 5.375% Senior Notes due in November 2015, $345 million of 5% Convertible Senior Notes due in 2017, $500 million of 2% Convertible Senior Notes due in 2020 and $389.5 million of 9% Convertible Junior Subordinated Debentures due in 2063 (interest on these debentures accrues and compounds even if we defer the payment of interest), as discussed in Note 8 – “Debt” in our Annual Report on Form 10-K.

Mortgage Insurance Earnings and Cash Flow Cycle

In our industry, a “book” is the group of loans insured in a particular calendar year. In general, the majority of any underwriting profit (premium revenue minus losses) that a book generates occurs in the early years of the book, with the largest portion of any underwriting profit realized in the first year following the year the book was written. Subsequent years of a book generally result in modest underwriting profit or underwriting losses. This pattern of results typically occurs because relatively few of the claims that a book will ultimately experience typically occur in the first few years of the book, when premium revenue is highest, while subsequent years are affected by declining premium revenues, as the number of insured loans decreases (primarily due to loan prepayments), and increasing losses.

Summary of 2015Third Quarter Results

Our results of operations for the third quarter of 2015 were principally affected by the factors referred to below.

• Net premiums written and earned

Net premiums written and earned during the third quarter of 2015 increased when compared to the same period in 2014. The increase was due to a commutation of our 2013 quota share reinsurance agreement and higher average insurance in force.

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The reinsurance commutation resulted in a return to us of written premiums previously ceded to reinsurers and an increase in our profit commission due to a related return of ceding commissions to the reinsurers. In addition, premiums under our 2015 reinsurance transaction are ceded on an earned and received basis rather than on a written basis as required under our 2013 reinsurance transaction. Due to the implementation of the 2015 reinsurance transaction during the third quarter, the percentage of premiums ceded was below the level expected on a recurring basis in future periods as cash collection generally lags premiums written.

• Investment income

Investment income in the third quarter of 2015 was higher when compared to the same period in 2014 due to an increase in our average investment yield.

• Realized gains (losses) and other-than-temporary impairments

Net realized gains for each of the third quarter of 2015 and 2014 were $0.6 million At September 30, 2015, the net unrealized losses in our investment portfolio were $10.0 million, which included $48.9 million of gross unrealized losses, offset by $38.9 million of gross unrealized gains.

• Losses incurred

Losses incurred for the third quarter of 2015 decreased compared to the same period in 2014, primarily due to fewer new notices of default being received, a lower claim rate on new notices and an increase in favorable development on prior year loss reserves. There were 19,509 new notices received in the third quarter of 2015 compared to 22,927 new notices received in the third quarter of 2014.

• Underwriting and other expenses

Underwriting and other expenses for the third quarter of 2015 increased when compared to the same period last year primarily due to a return of ceding commissions to reinsurers as a result of commuting our 2013 quota share reinsurance agreement.

• Interest expense

Interest expense was relatively constant period over period.

• Provision for income taxes

We had a net (benefit) provision for income taxes of ($695.6) million and $0.2 million in the third quarter of 2015 and 2014, respectively. The (benefit) provision for income taxes reflects a decrease in the deferred tax asset valuation allowance of $739.3 million and $24.8 million for the three months ended September 30, 2015 and 2014, respectively.

Results of Consolidated Operations

New insurance written

The amount of our primary new insurance written during the three and nine months ended September 30, 2015 and 2014 was as follows:

	Three Months Ended September 30,						Nine Months Ended September 30,
	2015			2014			2015			2014
Total Primary NIW (In billions)	$	12.4		$	10.4		$	33.2		$	23.9
Refinance volume as a % of primary NIW	12.1		%	12.0		%	19.4		%	12.0		%

The increase in new insurance written in the first nine months of 2015 compared to the same period last year was due to a significant increase in mortgage origination volume, driven by a robust refinancing environment in the first half of 2015 and an

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increasing level of purchase mortgage volume throughout 2015, which rose significantly relative to the first and second quarters of 2015. Generally, a significantly higher percentage of purchase mortgages than refinancing mortgages require mortgage insurance. Based on our current level of new insurance written and application and mortgage origination trends, we expect our 2015 new insurance written to be at its highest level since 2008.

The level of competition within the private mortgage industry remains intense, and is not expected to diminish. Further, changes in the FHA’s pricing, policies and procedures will continue to impact the amount of new insurance written by us. In the second quarter of 2015, the FHA accounted for 41.1% of all low down payment residential mortgages that were subject to FHA, VA or primary private mortgage insurance, up from 34.7% in the first quarter of 2015 and 31.8% in the fourth quarter of 2014. In the past ten years, the FHA’s share has been as low as 15.6% in 2006 and as high as 70.8% in 2009. Factors that influence the FHA’s market share include relative underwriting guidelines, loan limits, and rates and fees of the FHA, VA, private mortgage insurers and the GSEs; flexibility for the FHA to establish new products as a result of federal legislation and programs; returns obtained by lenders for Ginnie Mae securitization of FHA-insured loans compared to those obtained from selling loans to Fannie Mae or Freddie Mac for securitization; and differences in policy terms, such as the ability of a borrower to cancel insurance coverage under certain circumstances. We cannot predict how these factors or the FHA’s share of new insurance written will change in the future. In January 2015, the FHA significantly reduced its annual mortgage insurance premiums. Absent any other changes, the reduction in FHA premiums will make private mortgage insurance less competitive with the FHA for borrowers with certain credit characteristics. However, we believe our pricing continues to be more attractive than the FHA’s pricing for a substantial majority of borrowers with credit and loan characteristics similar to those whose loans we insured in 2014.

Price competition has been present for some time: in the third quarter of 2014, we reduced many of our standard lender-paid single premium rates to match competition; and in the fourth quarter of 2013, we reduced all of our standard borrower-paid monthly premium rates and most of our standard single premium rates to match competition. In 2014 and 2015, we have been seeing price competition in the form of lender-paid single premium programs customized for individual lenders by using a rate card’s authority to set premiums or adjust premiums on individual loans within a range of premiums. This has resulted in rates materially discounted from those on the standard rate card (i.e., one that does not use such authority). In June 2015, the OCI issued letters to mortgage insurers inquiring about their discounted lender-paid mortgage insurance practices. During most of 2013, when almost all of our lender-paid single premium rates were above those most commonly used in the market, lender-paid single premium policies were approximately 4% of our total new insurance written; they were approximately 11% in 2014; and 20%, 17% and 15% in the first, second and third quarters of 2015, respectively. The increases compared to 2014 were primarily a result of our selectively matching reduced rates. Prior to the fourth quarter of 2014, we did not use our rate card’s authority to adjust premiums to offer significant discounts from our standard lender-paid single premium policy rate card. The average discount from our rate card on lender-paid single premium policies was 5% in the fourth quarter of 2014, 13%, 11% and 11% in the first, second and third quarters of 2015, respectively. Given the current pricing environment, an increase in the percentage of business written as lender-paid single premium policies, all other things equal, will decrease our weighted average premium rates on new insurance written. In the third quarter of 2015, we also saw price competition in certain higher FICO segments of borrower-paid monthly premium plans through at least one competitor offering selected lenders customized rates lower than those on the standard rate card.

We monitor the competitive landscape and will make adjustments to our pricing and underwriting guidelines as warranted. We also make exceptions to our underwriting requirements on a loan-by-loan basis and for certain customer programs. Together, the number of loans for which exceptions were made accounted for fewer than 2% of the loans we insured in 2013 and 2014.

Cancellations, insurance in force and risk in force

New insurance written and cancellations of primary insurance in force during the three and nine months ended September 30, 2015 and 2014 were as follows:

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	Three Months Ended September 30,						Nine Months Ended September 30,
	2015			2014			2015			2014
	(In billions)
NIW	$	12.4		$	10.4		$	33.2		$	23.9
Cancellations	(8.5		)	(7.3		)	(25.4		)	(20.2		)
Change in primary insurance in force	$	3.9		$	3.1		$	7.8		$	3.7
Direct primary insurance in force as of September 30,	$	172.7		$	162.4
Direct primary risk in force as of September 30,	$	45.0		$	42.3

Cancellation activity has historically been affected by the level of mortgage interest rates and the level of home price appreciation. Cancellations generally move inversely to the change in the direction of interest rates, although they generally lag a change in direction. Cancellations also include rescissions and policies cancelled due to claim payment.

Our persistency rate was 80.0% at September 30, 2015 compared to 82.8% at December 31, 2014 and 82.8% at September 30, 2014. Our persistency rate is affected by the level of current mortgage interest rates compared to the mortgage interest rates on our insurance in force, which affects the vulnerability of the insurance in force to refinancing. From 2008 through 2012 mortgage interest rates declined annually and current mortgage interest rates remain at historically low levels. Refinancing activity contributed to the lower persistency rates on our 2009 – 2012 book years, which range from 70% to 75%. Since 2000, our year-end persistency ranged from a high of 84.7% at December 31, 2009 to a low of 47.1% at December 31, 2003.

Pool insurance

We have written no new pool insurance since 2009, however, for a variety of reasons, including responding to capital market alternatives to private mortgage insurance and customer demands, we may write pool risk in the future. Our direct pool risk in force was $697 million ($279 million on pool policies with aggregate loss limits and $418 million on pool policies without aggregate loss limits) at September 30, 2015 compared to $808 million ($303 million on pool policies with aggregate loss limits and $505 million on pool policies without aggregate loss limits) at December 31, 2014. If claim payments associated with a specific pool reach the aggregate loss limit, the remaining insurance in force within the pool would be cancelled and any remaining defaults under the pool would be removed from our default inventory.

Net premiums written and earned

Net premiums written and earned during the third quarter and first nine months of 2015 increased when compared to the same periods in 2014. The increase was due to a commutation of our 2013 quota share reinsurance agreement and higher average insurance in force. The reinsurance commutation resulted in a return to us of written premiums previously ceded to reinsurers and an increase in our profit commission due to a related return of ceding commissions to the reinsurers. In addition, premiums under our 2015 reinsurance transaction are ceded on an earned and received basis rather than on a written basis as required under our 2013 reinsurance transaction. Due to the implementation of the 2015 reinsurance transaction during the third quarter, the percentage of premiums ceded was below the level expected on a recurring basis in future periods as cash collection generally lags premiums written. The increase was offset in part by a reclassification of our premium refund estimate on claim payments and rescissions previously included in our premium deficiency reserve within Other liabilities.

Net premiums written and earned are influenced by our average insurance in force, which we expect to increase throughout the remainder of 2015, as well as by the loan-to-value, level of coverage, credit score and premium plan of new insurance written, changes to the premium rates on existing insurance in force, and reinsurance.

Although we expect that our insurance in force, and net premiums written and earned will increase in 2015 compared to 2014,the ratio of net premiums earned divided by the average primary insurance in force outstanding for the quarter or other reporting period (sometimes referred to as “premium rate/yield” or “effective premium rate/yield”) is likely to decline in the remainder of 2015 and at least into 2016. As discussed below, we see this occurring for two reasons.  First, the largest portion of the decline relates to the anticipated restructuring of our reinsurance transaction because it will cover insurance in force that was previously excluded, as well as certain new insurance written through 2016.  A modest amount of the decline relates to the premium

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rates themselves: the books we wrote before 2009, which have a higher average premium rate than subsequent business, are expected to continue to decline as a percentage of the insurance in force; and the average premium rate on these books is also expected to decline as the premium rates reset to lower levels at the time the loans reach the ten-year anniversary of their initial coverage date.

Effect of reinsurance on premiums:

Our net premiums written and earned are net of amounts ceded to reinsurers who assume a portion of the risk under the insurance policies we write that are subject to reinsurance. A substantial portion of our business is covered by a quota share reinsurance agreement that became effective July 1, 2015 and that protects us against a fixed percentage of losses arising from policies covered by the agreement. Under that agreement, we cede to reinsurers 30% of earned and received premiums and losses incurred on the following: policies in the 2013 reinsurance transaction that was commuted, with some exclusions; additional qualifying in force policies as of the agreement effective date which either had no history of defaults, or where a single default has been cured for twelve or more months at the agreement effective date; as well as all qualifying new insurance written through December 31, 2016. The premiums we cede are reduced by a profit commission, which primarily varies by the level of losses we cede. The 2015 quota share reinsurance agreement increases the amount of our insurance in force covered by reinsurance and will result in an increase in the amount of premiums and losses ceded.

Our reinsurance affects premiums, underwriting expenses and losses incurred and should be analyzed by reviewing its total effect on our statement of operations, as discussed below under “Reinsurance agreements.”

Effect of changingpremium rates:

The insurance in force associated with the 2008 and prior book years is approximately 39% of the primary insurance in force as of September 30, 2015. The business written after 2008 has a lower average premium rate because of its lower risk characteristics and, beginning in the second half of 2014, the increase in the business mix that is comprised of lender-paid single premium business, which has a lower average premium rate than borrower-paid monthly premium business (see “New insurance written” above). Persistency will affect the average premium rate on single premium policies because the premium is not generally refundable and is earned over the estimated life of the policy. If insurance on a single premium loan is cancelled, because the loan is repaid, the remaining unearned premium is earned immediately. When persistency is lower than the assumption used to set the estimated life, the average premium rate will increase; the opposite effect will occur when persistency is greater than such assumption.

The monthly premium program used for the substantial majority of loans we insured provides that, for the first ten years of the policy, the premium is determined by the product of the premium rate and the initial loan balance; thereafter, a lower premium rate is applied to the initial loan balance. The initial ten-year period is reset when the loan is refinanced under HARP. The premiums on many of the policies in our 2005 book that were not refinanced under HARP will reset in 2015. As of September 30, 2015, approximately 23%, 27%, 35%, and 50% of our insurance in force from 2005, 2006, 2007, and 2008 respectively, has been refinanced under HARP.

Reinsurance agreements

Our reinsurance affects various lines of our statement of operations and therefore we believe it should be analyzed by reviewing its effect on our net income, as described below.

• We cede a fixed percentage of premiums on insurance covered by the agreement.

• We receive the benefit of a profit commission through a reduction in the premiums we cede. The profit commission varies directly and inversely with the level of losses on a “dollar for dollar” basis and is eliminated at levels of losses that we do not expect to occur. This means that lower levels of losses result in a higher profit commission and less benefit from ceded losses; higher levels of losses result in more benefit from ceded loss and a lower profit commission (or for levels of losses we do not expect, its elimination).

• We receive the benefit of a ceding commission through a reduction in underwriting expenses equal to 20% of premiums ceded (before the effect of the profit commission).

• We cede a fixed percentage of losses incurred on insurance covered by the agreement.

The effects described above result in a net cost of the reinsurance, with respect to a covered loan, of 6% (but can be lower if losses are materially higher than we expect). This cost is derived by dividing the reduction in our pre-tax net income from such

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loan with reinsurance by our direct (that is, without reinsurance) premiums from such loan. Although the net cost of the reinsurance is generally constant at 6%, the effect of the reinsurance on the various components of pre-tax income discussed above will vary from period to period, depending on the level of ceded losses. We expect that the 2015 reinsurance transaction will have the effect of reducing our premium yield for the remainder of 2015 and into 2016. Because more of our insurance in force is covered under the 2015 reinsurance transaction than was covered under the 2013 terminated transaction, the absolute dollar cost of the 2015 transaction will be modestly higher than the cost of the 2013 transaction.

At September 30, 2015, approximately 72% and 3% of our insurance in force was subject to quota share and captive reinsurance agreements, respectively, compared to approximately 54% and 5%, respectively, at September 30, 2014. Approximately 92% and 91% of our new insurance written was subject to quota share reinsurance agreements in the first nine months of 2015 and 2014, respectively.

As part of the settlement with the Consumer Financial Protection Bureau (“CFPB”) in 2013 and the Minnesota Department of Commerce (the “MN Department”) in June 2015, MGIC has agreed to not enter into any new captive reinsurance agreements or reinsure any new loans under any existing captive reinsurance agreement for a period of ten years from the date of settlement. In addition, at the time PMIERs become effective on December 31, 2015 the GSEs will not approve any future reinsurance or risk sharing transaction with a mortgage enterprise or an affiliate of a mortgage enterprise. See our risk factor titled “We are involved in legal proceedings and are subject to the risk of additional legal proceedings in the future” for a discussion of the CFPB and MN Department investigations and requests or subpoenas for information regarding captive mortgage reinsurance agreements.

Investment income

Investment income in the third quarter and first nine months of 2015 increased compared to the same periods in 2014 due to an increase in our investment yield. The portfolio’s average pre-tax investment yield was 2.5% at September 30, 2015 and 2.1% at September 30, 2014. The portfolio’s average pre-tax investment yield was 2.2% at December 31, 2014.

Realized gains (losses) and other-than-temporary impairments

Net realized gains for the third quarter and first nine months of 2015 were $0.6 million and $27.1 million, respectively, compared to $0.6 million and $0.9 million, respectively, for the third quarter and first nine months of 2014.During the first quarter of 2015, under favorable market conditions, we sold fixed maturity securities to realize gains. At September 30, 2015, the net unrealized losses in our investment portfolio were $10.0 million, which included $48.9 million of gross unrealized losses, offset by $38.9 million of gross unrealized gains.

Losses

As discussed in “Critical Accounting Policies” in our 10-K MD&A and consistent with industry practices, we establish loss reserves for future claims only for loans that are currently delinquent. The terms “delinquent” and “default” are used interchangeably by us. We consider a loan in default when it is two or more payments past due. Loss reserves are established based on estimating the number of loans in our default inventory that will result in a claim payment, which is referred to as the claim rate, and further estimating the amount of the claim payment, which is referred to as claim severity.

Estimation of losses is inherently judgmental. The conditions that affect the claim rate and claim severity include the current and future state of the domestic economy, including unemployment and the current and future strength of local housing markets. The actual amount of the claim payments may be substantially different than our loss reserve estimates. Our estimates could be adversely affected by several factors, including a deterioration of regional or national economic conditions, including unemployment, leading to a reduction in borrowers’ income and thus their ability to make mortgage payments, and a drop in housing values that could result in, among other things, greater losses on loans, and may affect borrower willingness to continue to make mortgage payments when the value of the home is below the mortgage balance. Our estimates are also affected by any agreements we enter into regarding our claims paying practices, such as the settlement agreements discussed in Note 5 – “Litigation and Contingencies” to our consolidated financial statements. Changes to our estimates could result in a material impact to our results of operations, even in a stable economic environment.

Losses incurred

Losses incurred for the third quarter of 2015 decreased compared to the same period in 2014, primarily due to fewer new notices of default being received and a lower claim rate on new notices. There were 19,509 new notices received in the third quarter of 2015 compared to 22,927 new notices received in the third quarter of 2014. Substantially all of the new notices received in recent quarters are comprised of loans insured in 2008 and prior. As a result of improving housing and economic conditions

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over the last year the claim rate applied to new notices received has declined by approximately 2 percentage points. All other things equal, the claim rate that would be applied to new notices is expected to continue to decline over the next year at a rate approaching that experienced in the past year.

In the first nine months of 2015, net losses incurred were $248 million, reflecting $338 million of current year loss development partially offset by $90 million of favorable prior years’ loss development. In the first nine months of 2014, net losses incurred were $379 million, reflecting $454 million of current year loss development partially offset by $75 million of favorable prior years’ loss development.

Historically, losses incurred have followed a seasonal trend in which the second half of the year has weaker credit performance than the first half, with higher new notice activity and a lower cure rate.

See Note 12 – “Loss Reserves” to our consolidated financial statements for a discussion of our losses incurred and claims paying practices.

Information about the composition of the primary default inventory at September 30, 2015, December 31, 2014 and September 30, 2014 appears in the table below.

	September 30, 2015		December 31, 2014		September 30, 2014
Total loans delinquent	64,642		79,901		83,154
Percentage of loans delinquent (default rate)	6.54	%	8.25	%	8.65	%
Prime loans delinquent (1)	41,284		50,307		52,301
Percentage of prime loans delinquent (default rate)	4.61	%	5.82	%	6.13	%
A-minus loans delinquent (1)	10,764		13,021		13,474
Percentage of A-minus loans delinquent (default rate)	25.53	%	27.61	%	27.65	%
Subprime credit loans delinquent (1)	4,177		5,228		5,477
Percentage of subprime credit loans delinquent (default rate)	31.08	%	35.20	%	35.88	%
Reduced documentation loans delinquent (2)	8,417		11,345		11,902
Percentage of reduced documentation loans delinquent (default rate)	22.53	%	27.08	%	27.44	%

(1) We define prime loans as those having FICO credit scores of 620 or greater, A-minus loans as those having FICO credit scores of 575-619, and subprime credit loans as those having FICO credit scores of less than 575, all as reported to us at the time a commitment to insure is issued. Most A-minus and subprime credit loans were written through the bulk channel. However, we classify all loans without complete documentation as “reduced documentation” loans regardless of FICO score rather than as a prime, “A-minus” or “subprime” loan; in the table above, such loans appear only in the reduced documentation category and they do not appear in any of the other categories. For the information presented, the FICO credit score for a loan with multiple borrowers is the lowest of the borrowers’ “decision FICO scores.” A borrower’s “decision FICO score” is determined as follows: if there are three FICO scores available, the middle FICO score is used; if two FICO scores are available, the lower of the two is used; if only one FICO score is available, it is used.

(2) In accordance with industry practice, loans approved by GSE and other automated underwriting (AU) systems under "doc waiver" programs that do not require verification of borrower income are classified by MGIC as "full documentation."   Based in part on information provided by the GSEs, we estimate full documentation loans of this type were approximately 4% of 2007 NIW. Information for other periods is not available. We understand these AU systems grant such doc waivers for loans they judge to have higher credit quality.  We also understand that the GSEs terminated their “doc waiver” programs, with respect to new commitments, in the second half of 2008.

The primary and pool loss reserves at September 30, 2015, December 31, 2014 and September 30, 2014 appear in the table below.

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Gross Reserves	September 30, 2015		December 31, 2014		September 30, 2014
Primary:
Direct loss reserves (in millions)	$	1,877	$	2,246	$	2,362
Ending default inventory	64,642		79,901		83,154
Average direct reserve per default	$	29,032	$	28,107	$	28,404
Primary claims received inventory included in ending default inventory	2,982		4,746		5,194
Pool (1):
Direct loss reserves (in millions):
With aggregate loss limits	$	40	$	53	$	54
Without aggregate loss limits	9		12		15
Reserve related to Freddie Mac Settlement (2)	52		84		94
Total pool direct loss reserves	$	101	$	149	$	163
Ending default inventory:
With aggregate loss limits	2,282		3,020		3,686
Without aggregate loss limits	668		777		839
Total pool ending default inventory	2,950		3,797		4,525
Pool claims received inventory included in ending default inventory	75		99		86
Other gross reserves (in millions)	$	2	$	2	$	3

(1) Since a number of our pool policies include aggregate loss limits and/or deductibles, we do not disclose an average direct reserve per default for our pool business.

(2) See our Form 8-K filed with the Securities and Exchange Commission on November 30, 2012 for a discussion of our settlement with Freddie Mac regarding a pool policy.

The primary default inventory and primary loss reserves by region at September 30, 2015, December 31, 2014 and September 30, 2014 appear in the table below.

Primary Default Inventory	September 30, 2015	December 31, 2014	September 30, 2014
Region
Great Lakes	7,599	9,329	9,535
Mid-Atlantic	3,560	4,416	4,509
New England	3,476	4,117	4,235
North Central	6,777	8,499	8,882
Northeast	11,317	13,152	13,466
Pacific	4,795	6,242	6,638
Plains	2,075	2,427	2,460
South Central	7,454	9,045	9,259
Southeast	17,589	22,674	24,170
Total	64,642	79,901	83,154

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Primary Loss Reserves (In millions)	September 30, 2015		December 31, 2014		September 30, 2014
Region
Great Lakes	$	126	$	139	$	150
Mid-Atlantic	102		123		109
New England	132		125		123
North Central	163		222		233
Northeast	442		446		439
Pacific	195		250		280
Plains	30		35		35
South Central	88		133		150
Southeast	466		641		693
Total before IBNR and LAE	$	1,744	$	2,114	$	2,212
IBNR and LAE	133		132		150
Total	$	1,877	$	2,246	$	2,362

Regions contain the states as follows:

Great Lakes: IN, KY, MI, OH	Pacific: CA, HI, NV, OR, WA
Mid-Atlantic: DC, DE, MD, VA, WV	Plains: IA, ID, KS, MT, ND, NE, SD, WY
New England: CT, MA, ME, NH, RI, VT	South Central: AK, AZ, CO, LA, NM, OK, TX, UT
North Central: IL, MN, MO, WI	Southeast: AL, AR, FL, GA, MS, NC, SC, TN
Northeast: NJ, NY, PA

The average claim paid, as shown in the table below, can vary materially from period to period based upon a variety of factors, including the local market conditions, average loan amount, average coverage percentage, and our loss mitigation efforts on loans for which claims are paid.

The primary average claim paid for the top 5 states (based on 2015 paid claims) for the three and nine months ended September 30, 2015 and 2014 appears in the table below.

	Three Months Ended September 30,				Nine Months Ended September 30,
Primary average claim paid	2015		2014		2015		2014
Florida	$	59,409	$	56,233	$	59,190	$	55,249
Illinois	52,077		46,767		50,860		47,478
Maryland	77,196		67,538		75,584		67,338
California	87,915		79,260		85,563		78,909
New Jersey	75,956		80,527		73,011		76,147
All other states	40,311		38,910		40,210		39,064
All states	$	48,156	$	45,849	$	48,016	$	45,763

The primary average loan size of our insurance in force at September 30, 2015, December 31, 2014 and September 30, 2014 appears in the table below.

Primary average loan size	September 30, 2015		December 31, 2014		September 30, 2014
Total insurance in force	$	174,580	$	170,240	$	169,050
Prime (FICO 620 & >)	177,320		172,990		171,720
A-Minus (FICO 575 - 619)	127,330		126,420		126,810
Subprime (FICO < 575)	117,320		117,310		117,970
Reduced doc (All FICOs) (1)	182,680		181,480		182,020

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(1) In this report we classify loans without complete documentation as “reduced documentation” loans regardless of FICO credit score rather than as prime, “A-“ or “subprime” loans; in the table above, such loans appear only in the reduced documentation category and do not appear in other categories.

The primary average loan size of our insurance in force at September 30, 2015, December 31, 2014 and September 30, 2014 for the top 5 states (based on 2015 paid claims) appears in the table below.

Primary average loan size	September 30, 2015		December 31, 2014		September 30, 2014
Florida	$	183,316	$	177,981	$	176,829
Illinois	157,405		155,335		155,435
Maryland	243,101		239,875		239,113
California	284,809		283,228		283,117
New Jersey	244,078		240,846		240,371
All other states	164,772		160,314		159,065

Information about net paid claims during the three and nine months ended September 30, 2015 and 2014 appears in the table below.

Net paid claims (In millions)	Three Months Ended September 30,						Nine Months Ended September 30,
	2015			2014			2015			2014
Prime (FICO 620 & >)	$	123		$	168		$	400		$	587
A-Minus (FICO 575 - 619)	24			28			76			100
Subprime (FICO < 575)	9			9			30			30
Reduced doc (All FICOs) (1)	34			37			107			126
Pool (2)	17			20			52			68
Other	—			1			—			1
Direct losses paid	207			263			665			912
Reinsurance	(5		)	(7		)	(21		)	(27		)
Net losses paid	202			256			644			885
LAE	5			7			17			21
Net losses and LAE paid before terminations	207			263			661			906
Reinsurance terminations	(15		)	—			(15		)	—
Net losses and LAE paid	$	192		$	263		$	646		$	906

(1) In this report we classify loans without complete documentation as “reduced documentation” loans regardless of FICO credit score rather than as prime, “A-“ or “subprime” loans; in the table above, such loans appear only in the reduced documentation category and do not appear in other categories.

(2) The three months ended September 30, 2015 and 2014 each include $11 million and the nine months ended September 30, 2015 and 2014 each include $32 million paid under the terms of the settlement with Freddie Mac.

Primary claims paid for the top 15 states (based on 2015 paid claims) and all other states for the three and nine months ended September 30, 2015 and 2014 appears in the table below.

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Paid claims by state (In millions)	Three Months Ended September 30,				Nine Months Ended September 30,
	2015		2014		2015		2014
Florida	$	36	$	59	$	130	$	203
Illinois	12		20		48		70
Maryland	11		11		36		39
California	10		11		32		43
New Jersey	13		9		31		28
Pennsylvania	9		10		26		30
New York	8		5		22		19
Ohio	7		10		21		32
Washington	8		8		21		29
Georgia	4		6		15		23
Connecticut	4		4		14		14
Michigan	4		6		13		24
Virginia	5		4		13		15
Wisconsin	3		4		13		16
North Carolina	3		6		11		19
All other states	53		69		167		239
	190		242		613		843
Other (Pool, LAE, Reinsurance)	2		21		33		63
Net losses and LAE paid	$	192	$	263	$	646	$	906

We believe paid claims will continue to decline in the remainder of 2015.

The primary default inventory for the top 15 states (based on 2015 paid claims) at September 30, 2015, December 31, 2014 and September 30, 2014 appears in the table below.

Primary default inventory by state	September 30, 2015	December 31, 2014	September 30, 2014
Florida	6,387	9,442	10,448
Illinois	3,519	4,481	4,777
Maryland	1,653	2,119	2,217
California	2,107	2,777	2,967
New Jersey	3,601	4,077	4,175
Pennsylvania	3,679	4,480	4,627
New York	4,037	4,595	4,664
Ohio	3,169	3,908	4,012
Washington	1,093	1,415	1,510
Georgia	2,255	2,726	2,831
Connecticut	895	1,095	1,162
Michigan	1,975	2,447	2,505
Virginia	1,086	1,355	1,349
Wisconsin	1,437	1,797	1,840
North Carolina	1,716	2,147	2,273

The primary default inventory by policy year at September 30, 2015, December 31, 2014 and September 30, 2014 appears in the table below.

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Primary default inventory by policy year	September 30, 2015	December 31, 2014	September 30, 2014
Policy year:
2004 and prior	15,376	19,797	20,975
2005	8,283	10,630	11,083
2006	12,320	15,529	16,095
2007	20,619	25,232	26,245
2008	5,527	6,721	6,972
2009	529	648	660
2010	285	300	289
2011	245	260	259
2012	384	316	281
2013	530	335	246
2014	485	133	49
2015	59	N/A	N/A
	64,642	79,901	83,154

Our results of operations continue to be negatively impacted by the mortgage insurance we wrote during 2005 through 2008 and uncertainty remains with respect to the ultimate losses we may experience on each of our other books of business as well.  As we continue to write new insurance on high-quality mortgages, the 2005-2008 books have become a smaller percentage of our total portfolio, representing approximately 34% of our total primary risk in force at September 30, 2015 compared to approximately 40% at December 31, 2014 and 42% at September 30, 2014.

On our primary business, the highest claim frequency years have typically been the third and fourth year after the year of loan origination. However, the pattern of claim frequency can be affected by many factors, including persistency and deteriorating economic conditions. Low persistency can accelerate the period in the life of a book during which the highest claim frequency occurs. Deteriorating economic conditions can result in increasing claims following a period of declining claims. As of September 30, 2015, 46% of our primary risk in force was written subsequent to December 31, 2012, 54% of our primary risk in force was written subsequent to December 31, 2011, and 57% of our primary risk in force was written subsequent to December 31, 2010.

Underwriting and other expenses

Underwriting and other expenses for the third quarter and first nine months of 2015 increased when compared to the same periods last year primarily due to a return of ceding commissions to reinsurers as a result of commuting our 2013 quota share reinsurance agreement and an increase in employee costs.

Ratios

The table below presents our GAAP loss, expense and combined ratios for our combined insurance operations for the three and nine months ended September 30, 2015 and 2014.

	Three Months Ended September 30,				Nine Months Ended September 30,
	2015		2014		2015		2014
Loss ratio	32.0	%	55.1	%	37.1	%	60.1	%
Underwriting expense ratio	14.4	%	14.9	%	15.2	%	15.0	%
Combined ratio	46.4	%	70.0	%	52.3	%	75.1	%

The loss ratio is the ratio, expressed as a percentage, of the sum of incurred losses and loss adjustment expenses to net premiums earned. The loss ratio does not reflect any effects due to premium deficiency. The decrease in the loss ratio in the third quarter and first nine months of 2015, compared to the same periods in 2014, was primarily due to a decrease in losses incurred and also a higher level of premiums earned. The underwriting expense ratio is the ratio, expressed as a percentage, of the underwriting expenses of our combined insurance operations (which excludes the cost of non-insurance operations) to net premiums written. The decrease in the expense ratio in the third quarter of 2015, compared to the same period in 2014, was due to a an increase in

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net premiums written, partially offset by an increase in underwriting expenses for our combined insurance operations primarily due to a decrease in ceding commissions. The increase in the expense ratio for the first nine months of 2015, compared to the same period in 2014, was due to an increase in employee costs and a decrease in ceding commissions, offset in part by an increase in net premiums written. The decrease in ceding commissions and increase in net premiums written and earned for both the three and nine months ended September 30, 2015 were in large part due to the commutation of our 2013 quota share reinsurance agreement in the third quarter of 2015. The combined ratio is the sum of the loss ratio and the expense ratio.

Interest expense

Interest expense for the third quarter and first nine months of 2015 remained relatively constant compared to the same periods in 2014.

Income taxes

The effective tax rate on our pre-tax income was (182.4%) and 1.2% in the first nine months of 2015 and 2014, respectively. During those periods, the provision for income taxes was reduced by the change in the deferred tax asset valuation allowance.

See Note 11 – “Income Taxes” to our consolidated financial statements for a discussion of our tax position.

Financial Condition

At September 30, 2015 the total fair value of our investment portfolio, excluding cash and cash equivalents, was $4.6 billion. In addition, at September 30, 2015 our total assets included approximately $385 million of cash and cash equivalents as shown on our consolidated balance sheets. At September 30, 2015, all of our fixed maturity securities were investment grade securities. The composition of ratings at September 30, 2015, December 31, 2014 and September 30, 2014 are shown in the table below.

Investment Portfolio Ratings	September 30, 2015		December 31, 2014		September 30, 2014
AAA	23	%	31	%	34	%
AA	24	%	17	%	17	%
A	36	%	35	%	32	%
BBB	17	%	17	%	17	%
Investment grade	100	%	100	%	100	%
Below investment grade	—		—		—
Total	100	%	100	%	100	%

The ratings above are provided by one or more of: Moody’s, Standard & Poor’s and Fitch Ratings. If three ratings are available the middle rating is utilized, otherwise the lowest rating is utilized.

Approximately 2% of our investment portfolio, excluding cash and cash equivalents, is guaranteed by financial guarantors. We evaluate the credit risk of securities through analysis of the underlying fundamentals. The extent of our analysis depends on a variety of factors, including the issuer’s sector, scale, profitability, debt cover, ratings and the tenor of the investment.

We place our investments in instruments that meet high credit quality standards, as specified in our investment policy guidelines; the policy also limits the amount of credit exposure to any one issuer and limit the types of eligible investments. At September 30, 2015, the modified duration of our fixed income investment portfolio was 4.7years, which means that an instantaneous parallel shift in the yield curve of 100 basis points would result in a change of 4.7% in the fair value of our fixed income portfolio. For an upward shift in the yield curve, the fair value of our portfolio would decrease and for a downward shift in the yield curve, the fair value would increase. See Note 7 – “Investments” to our consolidated financial statements for additional disclosure surrounding our investment portfolio.

At September 30, 2015, we had outstanding $62 million, 5.375% Senior Notes due in November 2015, with an approximate fair value of $62 million; $345 million principal amount of 5% Convertible Senior Notes outstanding due in 2017, with an

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approximate fair value of $367 million; $500 million principal amount of 2% Convertible Senior Notes outstanding due in 2020, with an approximate fair value of $719 million; and $390 million principal amount of 9% Convertible Junior Subordinated Debentures due in 2063 outstanding, with an approximate fair value of $486 million. See Note 3 – “Debt” to our consolidated financial statements for additional disclosure on our debt.

See Note 11 – “Income Taxes” to our consolidated financial statements for a description of our federal income tax contingencies.

Our principal exposure to loss is our obligation to pay claims under MGIC’s mortgage guaranty insurance policies. At September 30, 2015, MGIC’s direct (before any reinsurance) primary and pool risk in force, which is the unpaid principal balance of insured loans as reflected in our records multiplied by the coverage percentage, and taking account of any loss limit, was approximately $46 billion. In addition, as part of our contract underwriting activities provided through a non-insurance subsidiary, that subsidiary is responsible for the quality of the underwriting decisions in accordance with the terms of the contract underwriting agreements with customers. That subsidiary may be required to provide certain remedies to our customers if certain standards relating to the quality of our underwriting work are not met, and we have an established reserve for such future obligations. Claims for remedies may be made a number of years after the underwriting work was performed. The underwriting remedy expense for 2014 and the first nine months of 2015 was approximately $4 million and $1 million, respectively, but may increase in the future.

Liquidity and Capital Resources

Overview

Our sources of funds consist primarily of:

• our investment portfolio (which is discussed in “Financial Condition” above), and interest income on the portfolio,

• premiums, net of reinsurance, that we will receive from our existing insurance in force as well as policies that we write in the future and

• amounts that we expect to recover from reinsurance agreements.

Our obligations consist primarily of:

• claim payments under MGIC’s mortgage guaranty insurance policies,

• $62 million in par value of 5.375% Senior Notes due in November 2015, with an annual interest cost of $3 million;

• $345 million in par value of 5% Convertible Senior Notes due in 2017, with an annual interest cost of $17 million;

• $500 million in par value of 2% Convertible Senior Notes due in 2020, with an annual interest cost of $10 million;

• $390 million in par value of 9% Convertible Junior Debentures due in 2063, with an annual interest cost of $35 million, and

• other costs and operating expenses of our business.

Subject to certain limitations and restrictions prescribed under the terms of their issuances, holders of each of the convertible debt issuesmay convert their notes into shares of our common stock at their option, in which case our corresponding obligation will be eliminated.

We experienced net cash inflow from operations during the nine months ended September 30, 2015 primarily due to the commutation of our 2013 quota share reinsurance agreement executed in the third quarter of 2015. See Note 4 – "Reinsurance" to our consolidated financial statements for additional disclosure regarding our reinsurance commutation. Our principal liquidity demands include: (i) interest payments on our outstanding debt; (ii) payment of maturing debt obligations; (iii) and the payment of corporate expenses. When we experience cash shortfalls, we can fund them through sales of short-term investments and other investment portfolio securities, subject to insurance regulatory requirements regarding the payment of dividends to the extent funds were required by an entity other than the seller. In addition, we generally align the maturities of our investment portfolio with our estimate of future obligations. A significant portion of our investment portfolio securities are held by our insurance subsidiaries.

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The following table summarizes our consolidated cash flows from operating, investing and financing activities:

	Nine Months Ended September 30,
	2015		2014
	(In thousands)
Total cash provided by (used in):
Operating activities	135,031		(337,666		)
Investing activities	49,510		270,663
Financing activities	2,113		(21,767		)
Increase (decrease) in cash and cash equivalents	$	186,654	$	(88,770	)

Net cash flows provided by operating activities in the first nine months of 2015 was primarily the result of commuting our 2013 quota share reinsurance agreement and corresponding settlement in which we received return payment for written premiums previously ceded by us and received payment of our profit commission accrued during the term of the agreement. Cash flows from operating activities also increased due to a lower level of losses paid and an increase in premiums collected as our mix of single premiums written and our insurance in force increased.

Net cash flows provided by investing activities in the first nine months of 2015 decreased primarily due to a decrease in proceeds, net of investment purchases, from available-for-sale securities, offset in part by an increase in amounts payable for securities and a decrease in restricted cash.

Net cash flows from financing activities reflect the tax benefits related to share-based compensation in the first nine months of 2015 and the repayment of debt in the first nine months of 2014.

Debt at Our Holding Company and Holding Company Capital Resources

The senior notes, convertible senior notes and convertible debentures are obligations of MGIC Investment Corporation and not of its subsidiaries. The payment of dividends from our insurance subsidiaries, which other than investment income and raising capital in the public markets is the principal source of our holding company cash inflow, is restricted by insurance regulation. MGIC is the principal source of dividend-paying capacity.  Since 2008, MGIC has not paid any dividends to our holding company. Through 2015, MGIC cannot pay any dividends to our holding company without approval from the OCI.

At September 30, 2015, we had approximately $469 million in cash and investments at our holding company.

As of September 30, 2015, our holding company’s debt obligations were $1,297 million in par value, as listed above.

See Note 8 – “Debt” to our consolidated financial statements in our Annual Report on Form 10-K for the year ended December 31, 2014 for additional information about this indebtedness, including restrictive covenants in our Senior Notes and our option to defer interest on our Convertible Junior Debentures. Any deferred interest compounds at the stated rate of 9%. The description in Note 8 - “Debt" to our consolidated financial statements in our Annual Report on Form 10-K is qualified in its entirety by the terms of the notes and debentures.

We may from time to time continue to seek to acquire our debt obligations through cash purchases and/or exchanges for other securities. We may do this in open market purchases, privately negotiated acquisitions or other transactions. The amounts involved may be material.

The remaining Senior Notes outstanding matured and were repaid on November 2, 2015 with cash on hand. The repayment of the Senior Notes had no significant impact on our liquidity or financial position.

Capital Contributions to Subsidiaries

In recent years our holding company has made material contributions to our insurance operations. Any further contributions to our insurance operations or non-insurance affiliates would further decrease our holding company cash and investments. See discussion of our non-insurance contract underwriting services under “Financial Condition” above and in Note 5 – “Litigation and Contingencies” to our consolidated financial statements.

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In April 2015, the GSEs each issued their revised private mortgage insurer eligibility requirements, PMIERs, which will become effective on December 31, 2015. The PMIERs replace the existing financial requirements under the current GSE eligibility requirements. Under the PMIERs’ financial requirements, we will be required to maintain “Available Assets” that meet or exceed “Minimum Required Assets” that are calculated based on our book of business and a variety of factors that are designed to measure credit quality of the insured loans.

Based on our interpretation of the PMIERs, we expect that MGIC will be in compliance with the PMIERs when they become effective. This expectation reflects, among other things, that the GSEs approved our restructured quota share reinsurance transaction that became effective in the third quarter of 2015, and have allowed full credit under the PMIERs for the risk ceded under that transaction. The GSEs’ ongoing approval of the transaction is subject to several conditions and the transaction will be reviewed under the PMIERs at least annually by the GSEs.

We expect to increase our Available Assets in the future by repatriating to MGIC certain assets of MGIC's MIC subsidiary. If additional Available Assets are required in the future, we believe that a portion of our holding company’s $469 million of cash and investments at September 30, 2015, may be available for future contribution to MGIC.

While we expect to meet the financial requirements under PMIERs prior to their effective date, our capital requirements under PMIERs may increase in the future because the GSEs have indicated that the tables of factors used to determine the Minimum Required Assets will be updated every two years and may be updated more frequently to reflect changes in macroeconomic conditions or loan performance. The GSEs will provide notice 180 days prior to the effective date of table updates. In addition, the GSEs may amend the PMIERs at any time. We plan to continue to comply with the existing PMIERs through our operational activities or through the contribution of funds from our holding company, subject to demands on the holding company’s resources, as outlined above. In addition, we could seek non-dilutive debt capital to mitigate a capital shortfall under PMIERs.

See “Overview – Capital” above for further discussion of the GSE financial requirements and our capital position as of September 30, 2015, as well as the risk factor titled “We may not continue to meet the GSEs’ mortgage insurer eligibility requirements and our returns may decrease as we are required to maintain more capital in order to maintain our eligibility” for factors that may negatively impact our compliance with the PMIERs.

Risk-to-Capital

We compute our risk-to-capital ratio on a separate company statutory basis, as well as for our combined insurance operations. The risk-to-capital ratio is our net risk in force divided by our policyholders’ position. Our net risk in force includes both primary and pool risk in force, and excludes risk on policies that are currently in default and for which loss reserves have been established. The risk amount includes pools of loans or bulk deals with contractual aggregate loss limits and in some cases without these limits. Policyholders’ position consists primarily of statutory policyholders’ surplus (which increases as a result of statutory net income and decreases as a result of statutory net loss and dividends paid), plus the statutory contingency reserve. The statutory contingency reserve is reported as a liability on the statutory balance sheet. A mortgage insurance company is required to make annual contributions to the contingency reserve of approximately 50% of net earned premiums. These contributions must generally be maintained for a period of ten years.  However, with regulatory approval a mortgage insurance company may make early withdrawals from the contingency reserve when incurred losses exceed 35% of net earned premium in a calendar year.

The premium deficiency reserve discussed in Note 13 – “Premium Deficiency Reserve” to our consolidated financial statements is not recorded as a liability on the statutory balance sheet and is not a component of statutory net income. The present value of expected future premiums and already established loss reserves and statutory contingency reserves, exceeds the present value of expected future losses and expenses on our total in force book, so no deficiency is recorded on a statutory or GAAP basis as of September 30, 2015. On a GAAP basis, contingency loss reserves are not established and thus not considered when calculating premium deficiency reserve and policies are grouped based on how they are acquired, serviced and measured.

MGIC’s separate company risk-to-capital calculation appears in the table below.

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	September 30, 2015		December 31, 2014
	(In millions, except ratio)
Risk in force - net (1)	$	26,977	$	25,735
Statutory policyholders' surplus	$	1,618	$	1,518
Statutory contingency reserve	583		247
Statutory policyholders' position	$	2,201	$	1,765
Risk-to-capital	12.3:1		14.6:1

(1) Risk in force – net, as shown in the table above is net of reinsurance and exposure on policies currently in default for which loss reserves have been established.

Our combined insurance companies’ risk-to-capital calculation appears in the table below.

	September 30, 2015		December 31, 2014
	(In millions, except ratio)
Risk in force - net (1)	$	32,735	$	31,272
Statutory policyholders' surplus	$	1,695	$	1,585
Statutory contingency reserve	704		318
Statutory policyholders' position	$	2,399	$	1,903
Risk-to-capital	13.6:1		16.4:1

(1) Risk in force – net, as shown in the table above, is net of reinsurance and exposure on policies currently in default ($3.3 billion at September 30, 2015 and $3.8 billion at December 31, 2014) for which loss reserves have been established.

Our risk-to-capital ratio will increase if (i) the percentage decrease in capital exceeds the percentage decrease in insured risk, or (ii) the percentage increase in capital is less than the percentage increase in insured risk.

For additional information regarding regulatory capital see Note 1 – “Nature of Business – Capital - GSEs” and Note 16 – “Statutory Capital” to our consolidated financial statements as well as our risk factor titled “State Capital requirements may prevent us from continuing to write new insurance on an uninterrupted basis.”

Financial Strength Ratings

The financial strength of MGIC, our principal mortgage insurance subsidiary, is rated Ba1 by Moody’s Investors Service with a positive outlook. Standard & Poor’s Rating Services’ insurer financial strength rating of MGIC is BB+ with a positive outlook. For further information about the importance of MGIC’s ratings, see our risk factor titled “Competition or changes in our relationships with our customers could reduce our revenues, reduce our premium yields and/or, or increase our losses.”

Contractual Obligations

At September 30, 2015, the approximate future payments under our contractual obligations of the type described in the table below are as follows:

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	Payments due by period
Contractual Obligations (In millions)	Total		Less than 1 year		1-3 years		3-5 years		More than 5 years
Long-term debt obligations	$	3,065	$	126	$	452	$	590	$	1,897
Operating lease obligations	3		1		2
Tax obligations	19		—		19		—		—
Purchase obligations	3		2		1
Pension, SERP and other post-retirement plans	272		24		49		55		144
Other long-term liabilities	1,980		891		792		297		—
Total	$	5,342	$	1,044	$	1,315	$	942	$	2,041

Our long-term debt obligations at September 30, 2015 include, $61.9 million of 5.375% Senior Notes due in November 2015, $345.0 million of 5% Convertible Senior Notes due in 2017, $500 million 2% Convertible Senior Notes due in 2020 and $389.5 million in convertible debentures due in 2063, including related interest, as discussed in Note 3 – “Debt” to our consolidated financial statements and under “Liquidity and Capital Resources” above. Our operating lease obligations include operating leases on certain office space, data processing equipment and autos, as discussed in Note 19 – “Leases” to our consolidated financial statements in our Annual Report on Form 10-K for the year ended December 31, 2014. Tax obligations primarily relate to our current dispute with the IRS, as discussed in Note 11 – “Income Taxes.” Purchase obligations consist primarily of agreements to purchase data processing hardware or services made in the normal course of business. See Note 13 – “Benefit Plans” to our consolidated financial statements in our Annual Report on Form 10-K for the year ended December 31, 2014 for a discussion of expected benefit payments under our benefit plans.

Our other long-term liabilities represent the loss reserves established to recognize the liability for losses and loss adjustment expenses related to defaults on insured mortgage loans. The timing of the future claim payments associated with the established loss reserves was determined primarily based on two key assumptions: the length of time it takes for a notice of default to develop into a received claim and the length of time it takes for a received claim to be ultimately paid. The future claim payment periods are estimated based on historical experience, and could emerge significantly different than this estimate. Due to the uncertainty regarding how certain factors, such as new loss mitigation protocols established by servicers and changes in some state foreclosure laws that may include, for example, a requirement for additional review and/or mediation process, will affect our future paid claims it remains difficult to estimate the amount and timing of future claim payments. See Note 12 – “Loss Reserves” to our consolidated financial statements. In accordance with GAAP for the mortgage insurance industry, we establish loss reserves only for loans in default. Because our reserving method does not take account of the impact of future losses that could occur from loans that are not delinquent, our obligation for ultimate losses that we expect to occur under our policies in force at any period end is not reflected in our financial statements or in the table above.

Forward Looking Statements and Risk Factors

General:  Our revenues and losses could be affected by the risk factors referred to under “Location of Risk Factors” below. These risk factors are an integral part of Management’s Discussion and Analysis.

These factors may also cause actual results to differ materially from the results contemplated by forward looking statements that we may make. Forward looking statements consist of statements which relate to matters other than historical fact. Among others, statements that include words such as we “believe,” “anticipate” or “expect,” or words of similar import, are forward looking statements. We are not undertaking any obligation to update any forward looking statements we may make even though these statements may be affected by events or circumstances occurring after the forward looking statements were made. Therefore no reader of this document should rely on these statements being current as of any time other than the time at which this document was filed with the Securities and Exchange Commission.

Location of Risk Factors:  The risk factors are in Item 1 A of our Annual Report on Form 10-K for the year ended December 31, 2014, as supplemented by Part II, Item 1 A of our Quarterly Report on Form 10-Q for the Quarter ended March 31, 2015 and June 30, 2015 and by Part II, Item 1 A of this Quarterly Report on Form 10-Q. The risk factors in the 10-K, as supplemented by these 10-Qs and through updating of various statistical and other information, are reproduced in Exhibit 99 to this Quarterly Report on Form 10-Q.

Item 3. Quantitative and Qualitative Disclosures about Market Risk

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At September 30, 2015, the derivative financial instruments in our investment portfolio were immaterial. We place our investments in instruments that meet high credit quality standards, as specified in our investment policy guidelines; the policy also limits the amount of credit exposure to any one issuer and limit the types of eligible investments. At September 30, 2015, the modified duration of our fixed income investment portfolio was 4.7years, which means that an instantaneous parallel shift in the yield curve of 100 basis points would result in a change of 4.7% in the fair value of our fixed income portfolio. For an upward shift in the yield curve, the fair value of our portfolio would decrease and for a downward shift in the yield curve, the fair value would increase.

Item 4. Controls and Procedures

Our management, with the participation of our principal executive officer and principal financial officer, has evaluated our disclosure controls and procedures (as defined in Rule 13a-15(e) under the Securities Exchange Act of 1934, as amended), as of the end of the period covered by this Quarterly Report on Form 10-Q. Based on such evaluation, our principal executive officer and principal financial officer concluded that such controls and procedures were effective as of the end of such period. There was no change in our internal control over financial reporting that occurred during the third quarter of 2015 that materially affected, or is reasonably likely to materially affect, our internal control over financial reporting.

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PART II.  OTHER INFORMATION

Item 1 A. Risk Factors

With the exception of the changes described and set forth below, there have been no material changes in our risk factors from the risk factors disclosed in the Company’s Annual Report on Form 10-K for the year ended December 31, 2014 as supplemented by Part II, Item I A of our Quarterly Report on Form 10-Q for the Quarters ended March 31, 2015 and June 30, 2015. The risk factors in the 10-K, as supplemented by that 10-Q and this 10-Q, and through updating of various statistical and other information, are reproduced in their entirety in Exhibit 99 to this Quarterly Report on Form 10-Q.

We may not continue to meet the GSEs’ mortgage insurer eligibility requirements and our returns may decrease as we are required to maintain more capital in order to maintain our eligibility.

Since 2008, substantially all of our insurance written has been for loans sold to Fannie Mae and Freddie Mac (the “GSEs”). In April 2015, the GSEs each released revised private mortgage insurer eligibility requirements (the “PMIERs”) that become effective December 31, 2015. The PMIERs include revised financial requirements for mortgage insurers under which a mortgage insurer’s “Available Assets” (generally only the most liquid assets of an insurer) must meet or exceed “Minimum Required Assets” (which are based on an insurer’s book and are calculated from tables of factors with several risk dimensions and are subject to a floor amount).

Based on our interpretation of the PMIERs, we expect that MGIC will be in compliance with the PMIERs when they become effective. This expectation reflects, among other things, that the GSEs have allowed full credit under the PMIERs for the risk ceded under our restructured quota share reinsurance transaction. In the third quarter of 2015, the restructured transaction became effective after being approved by each of the GSEs and the Office of the Commissioner of Insurance of the State of Wisconsin (“OCI”). The GSEs’ ongoing approval of the transaction is subject to several conditions and the transaction will be reviewed under the PMIERs at least annually by the GSEs.

We expect to increase our Available Assets in the future by repatriating to MGIC certain assets of MGIC's MIC subsidiary. If additional Available Assets are required in the future, we believe that a portion of our holding company’s cash and investments may be available for future contribution to MGIC.

Factors that may negatively impact MGIC’s ability to comply with the PMIERs after their effective date include the following:

• The GSEs may reduce the amount of credit they allow under the PMIERs for the risk ceded under our quota share reinsurance transaction.

• We may not obtain regulatory authorization to repatriate assets from MIC to MGIC to the extent we are assuming because regulators project higher losses than we project or require a level of capital be maintained in MIC higher than we are assuming.

• MGIC may not receive additional capital contributions from our holding company due to competing demands on the holding company resources, including for repayment of debt.

• Our future operating results may be negatively impacted by the matters discussed in the rest of these risk factors. Such matters could decrease our revenues, increase our losses or require the use of assets, thereby creating a shortfall in Available Assets.

There can be no assurance that the GSEs will not make the PMIERs more onerous in the future; in this regard, the PMIERs provide that the tables of factors that determine Minimum Required Assets will be updated every two years and may be updated more frequently to reflect changes in macroeconomic conditions or loan performance. The GSEs will provide notice 180 days prior to the effective date of table updates. In addition, the GSEs may amend the PMIERs at any time. If MGIC ceases to be eligible to insure loans purchased by one or both of the GSEs, it would significantly reduce the volume of our new business writings.

While on an overall basis, the amount of Available Assets we must hold in order to continue to insure GSE loans has increased under the PMIERs over what state regulation currently provides, our reinsurance transaction mitigates the negative effect of the PMIERs on our returns. In this regard, see the first bullet point above.

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Competition or changes in our relationships with our customers could reduce our revenues, reduce our premium yields and/or increase our losses.

Our private mortgage insurance competitors include:

• Arch Mortgage Insurance Company,

• Essent Guaranty, Inc.,

• Genworth Mortgage Insurance Corporation,

• National Mortgage Insurance Corporation,

• Radian Guaranty Inc., and

• United Guaranty Residential Insurance Company.

The level of competition within the private mortgage insurance industry is intense and is not expected to diminish. Price competition has been present for some time: in the third quarter of 2014, we reduced many of our standard lender-paid single premium rates to match competition; and in the fourth quarter of 2013, we reduced all of our standard borrower-paid monthly premium rates and most of our standard single premium rates to match competition. In 2014 and 2015, we have been seeing price competition in the form of lender-paid single premium programs customized for individual lenders by using a rate card’s authority to set premiums or adjust premiums on individual loans within a range of premiums. This has resulted in rates materially discounted from those on the standard rate card (i.e., one that does not use such authority). In June 2015, the OCI issued letters to mortgage insurers inquiring about their discounted lender-paid mortgage insurance practices. During most of 2013, when almost all of our lender-paid single premium rates were above those most commonly used in the market, lender-paid single premium policies were approximately 4% of our total new insurance written; they were approximately 11% in 2014; and 20%, 17% and 15% in the first, second and third quarters of 2015, respectively. The increases compared to 2014 were primarily a result of our selectively matching reduced rates. Prior to the fourth quarter of 2014, we did not use our rate card’s authority to adjust premiums to offer significant discounts from our standard lender-paid single premium policy rate card. The average discount from our rate card on lender-paid single premium policies was 5% in the fourth quarter of 2014, 13%, 11% and 11% in the first, second and third quarters of 2015, respectively. Given the current pricing environment, an increase in the percentage of business written as lender-paid single premium policies, all other things equal, will decrease our weighted average premium rates on new insurance written. In the third quarter of 2015, we also saw price competition in certain higher FICO segments of borrower-paid monthly premium plans through at least one competitor offering selected lenders customized rates lower than those on the standard rate card.

On June 30, 2015, the GSEs announced a modification to the PMIERs that will increase the Minimum Required Assets that must be maintained by a private mortgage insurer for loans dated on or after January 1, 2016, that are insured under lender-paid mortgage insurance policies or other policies that are not subject to automatic termination under the Homeowners Protection Act (“HPA”) or an automatic termination consistent with the HPA termination requirements for borrower-paid mortgage insurance. The modification may reduce our future returns because we will be required to maintain more Available Assets in connection with a portion of our business.

During 2014 and the first three quarters of 2015, approximately 4% and 5%, respectively, of our new insurance written was for loans for which one lender was the original insured. Our relationships with our customers could be adversely affected by a variety of factors, including premium rates higher than can be obtained from competitors, tightening of and adherence to our underwriting requirements, which may result in our declining to insure some of the loans originated by our customers, and insurance rescissions that affect the customer. We have ongoing discussions with lenders who are significant customers regarding their objections to our rescissions.

In the past several years, we believe many lenders considered financial strength and compliance with the State Capital Requirements (discussed below) as important factors when selecting a mortgage insurer. Lenders may consider compliance with the PMIERs important when selecting a mortgage insurer in the future. As noted above, we expect MGIC to be in compliance with the PMIERs when they become effective and we expect MGIC’s risk-to-capital ratio to continue to comply with the current State Capital Requirements. However, we cannot assure you that we will comply with such requirements or that we will comply with any revised State Capital Requirements proposed by the National Association of Insurance Commissioners (“NAIC”). For more information, see our risk factors titled “We may not continue to meet the GSEs’ mortgage insurer eligibility requirements and our returns may decrease as we are required to maintain more capital in order to maintain our eligibility” and “State capital

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requirements may prevent us from continuing to write new insurance on an uninterrupted basis.”

We believe that financial strength ratings may be a significant consideration for participants seeking to secure credit enhancement in the non-GSE mortgage market, which includes most loans that are not “Qualified Mortgages” (for more information about “Qualified Mortgages,” see our risk factor titled “Changes in the business practices of the GSEs, federal legislation that changes their charters or a restructuring of the GSEs could reduce our revenues or increase our losses”). While this market has been limited since the financial crisis, it may grow in the future. The financial strength ratings of our insurance subsidiaries are lower than those of some competitors and below investment grade levels; therefore, we may be competitively disadvantaged with some market participants. For each of MGIC and MIC, the financial strength rating from Moody’s is Ba1 (with a positive outlook) and from Standard & Poor’s is BB+ (with a positive outlook). It is possible that MGIC’s and MIC’s financial strength ratings could decline from these levels. Our ability to participate in the non-GSE market could depend on our ability to secure investment grade ratings for our mortgage insurance subsidiaries.

If the GSEs no longer operate in their current capacities, for example, due to legislative or regulatory action, we may be forced to compete in a new marketplace in which financial strength ratings play a greater role. If we are unable to compete effectively in the current or any future markets as a result of the financial strength ratings assigned to our mortgage insurance subsidiaries, our future new insurance written could be negatively affected.

State capital requirements may prevent us from continuing to write new insurance on an uninterrupted basis.

The insurance laws of 16 jurisdictions, including Wisconsin, our domiciliary state, require a mortgage insurer to maintain a minimum amount of statutory capital relative to the risk in force (or a similar measure) in order for the mortgage insurer to continue to write new business. We refer to these requirements as the “State Capital Requirements.” While they vary among jurisdictions, the most common State Capital Requirements allow for a maximum risk-to-capital ratio of 25 to 1. A risk-to-capital ratio will increase if (i) the percentage decrease in capital exceeds the percentage decrease in insured risk, or (ii) the percentage increase in capital is less than the percentage increase in insured risk. Wisconsin does not regulate capital by using a risk-to-capital measure but instead requires a minimum policyholder position (“MPP”). The “policyholder position” of a mortgage insurer is its net worth or surplus, contingency reserve and a portion of the reserves for unearned premiums.

At September 30, 2015, MGIC’s risk-to-capital ratio was 12.3to 1, below the maximum allowed by the jurisdictions with State Capital Requirements, and its policyholder position was $1.1 billion above the required MPP of $1.1 billion.In calculating our risk-to-capital ratio and MPP, we are allowed full credit for the risk ceded under our reinsurance transaction with a group of unaffiliated reinsurers. It is possible that under the revised State Capital Requirements discussed below, MGIC will not be allowed full credit for the risk ceded to the reinsurers. If MGIC is not allowed an agreed level of credit under either the State Capital Requirements or the PMIERs, MGIC may terminate the reinsurance agreement, without penalty.At this time, we expect MGIC to continue to comply with the current State Capital Requirements; however, you should read the rest of these risk factors for information about matters that could negatively affect such compliance.

At September 30, 2015, the risk-to-capital ratio of our combined insurance operations (which includes reinsurance affiliates) was 13.6 to 1. Reinsurance transactions with affiliates permit MGIC to write insurance with a higher coverage percentage than it could on its own under certain state-specific requirements. A higher risk-to-capital ratio on a combined basis may indicate that, in order for MGIC to continue to utilize reinsurance arrangements with its affiliates, unless a waiver of the State Capital Requirements of Wisconsin continues to be effective, additional capital contributions to the reinsurance affiliates could be needed.

The NAIC previously announced that it plans to revise the minimum capital and surplus requirements for mortgage insurers that are provided for in its Mortgage Guaranty Insurance Model Act. A working group of state regulators is drafting the revisions, although no date has been established by which the NAIC must propose revisions to such requirements. Depending on the scope of revisions made by the NAIC, MGIC may be prevented from writing new business in the jurisdictions adopting such revisions.

If MGIC fails to meet the State Capital Requirements of Wisconsin and is unable to obtain a waiver of them from the OCI, MGIC could be prevented from writing new business in all jurisdictions. If MGIC fails to meet the State Capital Requirements of a jurisdiction other than Wisconsin and is unable to obtain a waiver of them, MGIC could be prevented from writing new business in that particular jurisdiction. It is possible that regulatory action by one or more jurisdictions, including those that do not have specific State Capital Requirements, may prevent MGIC from continuing to write new insurance in such jurisdictions. If we are unable to write business in all jurisdictions, lenders may be unwilling to procure insurance from us anywhere. In addition, a lender’s assessment of the future ability of our insurance operations to meet the State Capital Requirements or the PMIERs may affect its willingness to procure insurance from us. In this regard, see our risk factor titled “Competition or changes in our

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relationships with our customers could reduce our revenues, reduce our premium yields and/or increase our losses.” A possible future failure by MGIC to meet the State Capital Requirements or the PMIERs will not necessarily mean that MGIC lacks sufficient resources to pay claims on its insurance liabilities. While we believe MGIC has sufficient claims paying resources to meet its claim obligations on its insurance in force on a timely basis, you should read the rest of these risk factors for information about matters that could negatively affect MGIC’s claims paying resources.

Item 6. Exhibits

The accompanying Index to Exhibits is incorporated by reference in answer to this portion of this Item, and except as otherwise indicated in the next sentence, the Exhibits listed in such Index are filed as part of this Form 10-Q. Exhibit 32 is not filed as part of this Form 10-Q but accompanies this Form 10-Q.

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SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized, on November 6, 2015.

MGIC INVESTMENT CORPORATION

/s/ Timothy J. Mattke

Timothy J. Mattke

Executive Vice President and

Chief Financial Officer

/s/ Julie K. Sperber

Julie K. Sperber

Vice President, Controller and Chief Accounting Officer

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INDEX TO EXHIBITS

(Part II, Item 6)

Exhibit Number	Description of Exhibit
31.1	Certification of CEO under Section 302 of Sarbanes-Oxley Act of 2002
31.2	Certification of CFO under Section 302 of Sarbanes-Oxley Act of 2002
32	Certification of CEO and CFO under Section 906 of Sarbanes-Oxley Act of 2002 (as indicated in Item 6 of Part II, this Exhibit is not being "filed")
99	Risk Factors included in Item 1A of our Annual Report on Form 10-K for the year ended December 31, 2014, as supplemented by Part II, Item 1A of our Quarterly Reports on Form 10-Q for the quarters ended March 31, 2015, June 30, 2015 and September 30, 2015, and through updating of various statistical and other information
101	The following financial information from MGIC Investment Corporation’s Quarterly Report on Form 10-Q for the quarter ended September 30, 2015, formatted in XBRL (eXtensible Business Reporting Language): (i) Consolidated Balance Sheets as of September 30, 2015 and December 31, 2014, (ii) Consolidated Statements of Operations for the three and nine months ended September 30, 2015 and 2014, (iii) Consolidated Statements of Comprehensive Income for the three and nine months ended September 30, 2015 and 2014, (iv) Consolidated Statements of Shareholders’ Equity for the nine months ended September 30, 2015 and 2014, (v) Consolidated Statements of Cash Flows for the nine months ended September 30, 2015 and 2014, and (vi) the Notes to Consolidated Financial Statements.

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EX-31.1

Exhibit 31.1

CERTIFICATIONS

I, Patrick Sinks, certify that:

1. I have reviewed this quarterly report on Form 10-Q of MGIC Investment Corporation;

2. Based on my knowledge, this quarterly report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this quarterly report;

3. Based on my knowledge, the financial statements, and other financial information included in this quarterly report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this quarterly report;

4. The registrant's other certifying officer(s) and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and we have:

a) Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this quarterly report is being prepared;

b) Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

c) Evaluated the effectiveness of the registrant's disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

d) Disclosed in this report any change in the registrant's internal control over financial reporting that occurred during the registrant's most recent fiscal quarter (the registrant's fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant's internal control over financial reporting; and

5. The registrant's other certifying officer(s) and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant's auditors and the audit committee of registrant's board of directors (or persons performing the equivalent functions):

a) all significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant's ability to record, process, summarize and report financial information; and

b) any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant's internal control over financial reporting.

Date:  November 6, 2015

/s/ Patrick Sinks

Patrick Sinks

Chief Executive Officer

EX-31.2

Exhibit 31.2

CERTIFICATIONS

I, Timothy J. Mattke, certify that:

1. I have reviewed this quarterly report on Form 10-Q of MGIC Investment Corporation;

2. Based on my knowledge, this quarterly report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this quarterly report;

3. Based on my knowledge, the financial statements, and other financial information included in this quarterly report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this quarterly report;

4. The registrant's other certifying officer(s) and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and we have:

a) Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this quarterly report is being prepared;

b) Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

c) Evaluated the effectiveness of the registrant's disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

d) Disclosed in this report any change in the registrant's internal control over financial reporting that occurred during the registrant's most recent fiscal quarter (the registrant's fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant's internal control over financial reporting; and

5. The registrant's other certifying officer(s) and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant's auditors and the audit committee of registrant's board of directors (or persons performing the equivalent functions):

a) all significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant's ability to record, process, summarize and report financial information; and

b) any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant's internal control over financial reporting.

Date:  November 6, 2015

/s/ Timothy J. Mattke

Timothy J. Mattke

Chief Financial Officer

EX-32

Exhibit 32

SECTION 1350 CERTIFICATIONS

The undersigned, Patrick Sinks, Chief Executive Officer of MGIC Investment Corporation (the "Company"), and Timothy J. Mattke, Chief Financial Officer of the Company, certify, pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, 18 U.S. C. Section 1350, that to our knowledge:

(1) the Quarterly Report on Form 10-Q of the Company for the three months ended September 30, 2015 (the "Report") fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

(2) the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

Date: November 6, 2015

/s/ Patrick Sinks

Patrick Sinks

Chief Executive Officer

/s/ Timothy J. Mattke

Timothy J. Mattke

Chief Financial Officer

EX-99

Exhibit 99

Risk Factors included in Item 1A of our Annual Report on Form 10-K for the year ended December 31, 2014, as supplemented by Part II, Item 1A of our Quarterly Reports on Form 10-Q for the quarters ended March 31, 2015, June 30, 2015 and September 30, 2015, and through updating of various statistical and other information.

We may not continue to meet the GSEs’ mortgage insurer eligibility requirements and our returns may decrease as we are required to maintain more capital in order to maintain our eligibility.

Since 2008, substantially all of our insurance written has been for loans sold to Fannie Mae and Freddie Mac (the “GSEs”). In April 2015, the GSEs each released revised private mortgage insurer eligibility requirements (the “PMIERs”) that become effective December 31, 2015. The PMIERs include revised financial requirements for mortgage insurers under which a mortgage insurer’s “Available Assets” (generally only the most liquid assets of an insurer) must meet or exceed “Minimum Required Assets” (which are based on an insurer’s book and are calculated from tables of factors with several risk dimensions and are subject to a floor amount).

Based on our interpretation of the PMIERs, we expect that MGIC will be in compliance with the PMIERs when they become effective. This expectation reflects, among other things, that the GSEs have allowed full credit under the PMIERs for the risk ceded under our restructured quota share reinsurance transaction. In the third quarter of 2015, the restructured transaction became effective after being approved by each of the GSEs and the Office of the Commissioner of Insurance of the State of Wisconsin (“OCI”). The GSEs’ ongoing approval of the transaction is subject to several conditions and the transaction will be reviewed under the PMIERs at least annually by the GSEs.

We expect to increase our Available Assets in the future by repatriating to MGIC certain assets of MGIC's MIC subsidiary. If additional Available Assets are required in the future, we believe that a portion of our holding company’s cash and investments may be available for future contribution to MGIC.

Factors that may negatively impact MGIC’s ability to comply with the PMIERs after their effective date include the following:

• The GSEs may reduce the amount of credit they allow under the PMIERs for the risk ceded under our quota share reinsurance transaction.

• We may not obtain regulatory authorization to repatriate assets from MIC to MGIC to the extent we are assuming because regulators project higher losses than we project or require a level of capital be maintained in MIC higher than we are assuming.

• MGIC may not receive additional capital contributions from our holding company due to competing demands on the holding company resources, including for repayment of debt.

• Our future operating results may be negatively impacted by the matters discussed in the rest of these risk factors. Such matters could decrease our revenues, increase our losses or require the use of assets, thereby creating a shortfall in Available Assets.

There can be no assurance that the GSEs will not make the PMIERs more onerous in the future; in this regard, the PMIERs provide that the tables of factors that determine Minimum Required Assets will be updated every two years and may be updated more frequently to reflect changes in macroeconomic conditions or loan performance. The GSEs will provide notice 180 days prior to the effective date of table updates. In addition, the GSEs may amend the PMIERs at any time. If MGIC ceases to be eligible to insure loans purchased by one or both of the GSEs, it would significantly reduce the volume of our new business writings.

While on an overall basis, the amount of Available Assets we must hold in order to continue to insure GSE loans has increased under the PMIERs over what state regulation currently provides, our reinsurance transaction mitigates the negative effect of the PMIERs on our returns. In this regard, see the first bullet point above.

The amount of insurance we write could be adversely affected if lenders and investors select alternatives to private mortgage insurance.

Alternatives to private mortgage insurance include:

• lenders using FHA, VA and other government mortgage insurance programs,

• lenders and other investors holding mortgages in portfolio and self-insuring,

• investors (including the GSEs) using risk mitigation techniques other than private mortgage insurance, such as obtaining insurance from non-mortgage insurers and engaging in credit-linked note transactions executed in the capital markets; using other risk mitigation techniques in conjunction with reduced levels of private mortgage insurance coverage; or accepting credit risk without credit enhancement, and

• lenders originating mortgages using piggyback structures to avoid private mortgage insurance, such as a first mortgage with an 80% loan-to-value ratio and a second mortgage with a 10%, 15% or 20% loan-to-value ratio (referred to as 80-10-10, 80-15-5 or 80-20 loans, respectively) rather than a first mortgage with a 90%, 95% or 100% loan-to-value ratio that has private mortgage insurance.

In the second quarter of 2015, the FHA accounted for 41.1% of all low down payment residential mortgages that were subject to FHA, VA or primary private mortgage insurance, up from 34.7% in the first quarter of 2015 and 31.8% in the fourth quarter of 2014. In the past ten years, the FHA’s share has been as low as 15.6% in 2006 and as high as 70.8% in 2009. Factors that influence the FHA’s market share include relative underwriting guidelines, loan limits, and rates and fees of the FHA, VA, private mortgage insurers and the GSEs; flexibility for the FHA to establish new products as a result of federal legislation and programs; returns obtained by lenders for Ginnie Mae securitization of FHA-insured loans compared to those obtained from selling loans to Fannie Mae or Freddie Mac for securitization; and differences in policy terms, such as the ability of a borrower to cancel insurance coverage under certain circumstances. We cannot predict how these factors or the FHA’s share of new insurance written will change in the future. In January 2015, the FHA significantly reduced its annual mortgage insurance premiums. Absent any other changes, the reduction in FHA premiums will make private mortgage insurance less competitive with the FHA for borrowers with certain credit characteristics. However, we believe our pricing continues to be more attractive than the FHA’s pricing for a substantial majority of borrowers with credit and loan characteristics similar to those whose loans we insured in 2014.

In the second quarter of 2015, the VA accounted for 23.3% of all low down payment residential mortgages that were subject to FHA, VA or primary private mortgage insurance, down from 29.2% in the first quarter of 2015, which had been its highest level in ten years, and down from 29.1% in the fourth quarter of 2014. The VA’s lowest market share in the past ten years was 5.4% in 2007. We believe that the VA’s market share has generally been increasing because the VA offers 100% LTV loans and charges a one-time funding fee that can be included in the loan amount but no additional monthly expense, and because of an increase in the number of borrowers that are eligible for the VA’s program.

Competition or changes in our relationships with our customers could reduce our revenues, reduce our premium yields and/or increase our losses.

Our private mortgage insurance competitors include:

• Arch Mortgage Insurance Company,

• Essent Guaranty, Inc.,

• Genworth Mortgage Insurance Corporation,

• National Mortgage Insurance Corporation,

• Radian Guaranty Inc., and

• United Guaranty Residential Insurance Company.

The level of competition within the private mortgage insurance industry is intense and is not expected to diminish. Price competition has been present for some time: in the third quarter of 2014, we reduced many of our standard lender-paid single premium rates to match competition; and in the fourth quarter of 2013, we reduced all of our standard borrower-paid monthly premium rates and most of our standard single premium rates to match competition. In 2014 and 2015, we have been seeing price competition in the form of lender-paid single premium programs customized for individual lenders by using a rate card’s authority to set premiums or adjust premiums on individual loans within a range of premiums. This has resulted in rates materially discounted

from those on the standard rate card (i.e., one that does not use such authority). In June 2015, the OCI issued letters to mortgage insurers inquiring about their discounted lender-paid mortgage insurance practices. During most of 2013, when almost all of our lender-paid single premium rates were above those most commonly used in the market, lender-paid single premium policies were approximately 4% of our total new insurance written; they were approximately 11% in 2014; and 20%, 17% and 15% in the first, second and third quarters of 2015, respectively. The increases compared to 2014 were primarily a result of our selectively matching reduced rates. Prior to the fourth quarter of 2014, we did not use our rate card’s authority to adjust premiums to offer significant discounts from our standard lender-paid single premium policy rate card. The average discount from our rate card on lender-paid single premium policies was 5% in the fourth quarter of 2014, 13%, 11% and 11% in the first, second and third quarters of 2015, respectively. Given the current pricing environment, an increase in the percentage of business written as lender-paid single premium policies, all other things equal, will decrease our weighted average premium rates on new insurance written. In the third quarter of 2015, we also saw price competition in certain higher FICO segments of borrower-paid monthly premium plans through at least one competitor offering selected lenders customized rates lower than those on the standard rate card.

On June 30, 2015, the GSEs announced a modification to the PMIERs that will increase the Minimum Required Assets that must be maintained by a private mortgage insurer for loans dated on or after January 1, 2016, that are insured under lender-paid mortgage insurance policies or other policies that are not subject to automatic termination under the Homeowners Protection Act (“HPA”) or an automatic termination consistent with the HPA termination requirements for borrower-paid mortgage insurance. The modification may reduce our future returns because we will be required to maintain more Available Assets in connection with a portion of our business.

During 2014 and the first three quarters of 2015, approximately 4% and 5%, respectively, of our new insurance written was for loans for which one lender was the original insured. Our relationships with our customers could be adversely affected by a variety of factors, including premium rates higher than can be obtained from competitors, tightening of and adherence to our underwriting requirements, which may result in our declining to insure some of the loans originated by our customers, and insurance rescissions that affect the customer. We have ongoing discussions with lenders who are significant customers regarding their objections to our rescissions.

In the past several years, we believe many lenders considered financial strength and compliance with the State Capital Requirements (discussed below) as important factors when selecting a mortgage insurer. Lenders may consider compliance with the PMIERs important when selecting a mortgage insurer in the future. As noted above, we expect MGIC to be in compliance with the PMIERs when they become effective and we expect MGIC’s risk-to-capital ratio to continue to comply with the current State Capital Requirements. However, we cannot assure you that we will comply with such requirements or that we will comply with any revised State Capital Requirements proposed by the National Association of Insurance Commissioners (“NAIC”). For more information, see our risk factors titled “We may not continue to meet the GSEs’ mortgage insurer eligibility requirements and our returns may decrease as we are required to maintain more capital in order to maintain our eligibility” and “State capital requirements may prevent us from continuing to write new insurance on an uninterrupted basis.”

We believe that financial strength ratings may be a significant consideration for participants seeking to secure credit enhancement in the non-GSE mortgage market, which includes most loans that are not “Qualified Mortgages” (for more information about “Qualified Mortgages,” see our risk factor titled “Changes in the business practices of the GSEs, federal legislation that changes their charters or a restructuring of the GSEs could reduce our revenues or increase our losses”). While this market has been limited since the financial crisis, it may grow in the future. The financial strength ratings of our insurance subsidiaries are lower than those of some competitors and below investment grade levels; therefore, we may be competitively disadvantaged with some market participants. For each of MGIC and MIC, the financial strength rating from Moody’s is Ba1 (with a positive outlook) and from Standard & Poor’s is BB+ (with a positive outlook). It is possible that MGIC’s and MIC’s financial strength ratings could decline from these levels. Our ability to participate in the non-GSE market could depend on our ability to secure investment grade ratings for our mortgage insurance subsidiaries.

If the GSEs no longer operate in their current capacities, for example, due to legislative or regulatory action, we may be forced to compete in a new marketplace in which financial strength ratings play a greater role. If we are unable to compete effectively in the current or any future markets as a result of the financial strength ratings assigned to our mortgage insurance subsidiaries, our future new insurance written could be negatively affected.

Changes in the business practices of the GSEs, federal legislation that changes their charters or a restructuring of the GSEs could reduce our revenues or increase our losses.

Since 2008, substantially all of our insurance written has been for loans sold to Fannie Mae and Freddie Mac. The business practices of the GSEs affect the entire relationship between them, lenders and mortgage insurers and include:

• the level of private mortgage insurance coverage, subject to the limitations of the GSEs’ charters (which may be changed by federal legislation), when private mortgage insurance is used as the required credit enhancement on low down payment mortgages,

• the amount of loan level price adjustments and guaranty fees (which result in higher costs to borrowers) that the GSEs assess on loans that require mortgage insurance,

• whether the GSEs influence the mortgage lender’s selection of the mortgage insurer providing coverage and, if so, any transactions that are related to that selection,

• the underwriting standards that determine what loans are eligible for purchase by the GSEs, which can affect the quality of the risk insured by the mortgage insurer and the availability of mortgage loans,

• the terms on which mortgage insurance coverage can be canceled before reaching the cancellation thresholds established by law,

• the programs established by the GSEs intended to avoid or mitigate loss on insured mortgages and the circumstances in which mortgage servicers must implement such programs,

• the terms that the GSEs require to be included in mortgage insurance policies for loans that they purchase,

• the extent to which the GSEs intervene in mortgage insurers’ rescission practices or rescission settlement practices with lenders. For additional information, see our risk factor titled “We are involved in legal proceedings and are subject to the risk of additional legal proceedings in the future,” and

• the maximum loan limits of the GSEs in comparison to those of the FHA and other investors.

The FHFA is the conservator of the GSEs and has the authority to control and direct their operations. The increased role that the federal government has assumed in the residential housing finance system through the GSE conservatorship may increase the likelihood that the business practices of the GSEs change in ways that have a material adverse effect on us and that the charters of the GSEs are changed by new federal legislation. The financial reform legislation that was passed in July 2010 (the “Dodd-Frank Act” or “Dodd-Frank”) required the U.S. Department of the Treasury to report its recommendations regarding options for ending the conservatorship of the GSEs. This report did not provide any definitive timeline for GSE reform; however, it did recommend using a combination of federal housing policy changes to wind down the GSEs, shrink the government’s footprint in housing finance (including FHA insurance), and help bring private capital back to the mortgage market. Since then, Members of Congress introduced several bills intended to change the business practices of the GSEs and the FHA; however, no legislation has been enacted. As a result of the matters referred to above, it is uncertain what role the GSEs, FHA and private capital, including private mortgage insurance, will play in the residential housing finance system in the future or the impact of any such changes on our business. In addition, the timing of the impact of any resulting changes on our business is uncertain. Most meaningful changes would require Congressional action to implement and it is difficult to estimate when Congressional action would be final and how long any associated phase-in period may last.

Dodd-Frank requires lenders to consider a borrower’s ability to repay a home loan before extending credit. The Consumer Financial Protection Bureau (“CFPB”) rule defining “Qualified Mortgage” (“QM”) for purposes of implementing the “ability to repay” law became effective in January 2014 and included a temporary category of QMs for mortgages that satisfy the general product feature requirements of QMs and meet the GSEs’ underwriting requirements (the “temporary category”). The temporary category will phase out when the GSEs’ conservatorship ends, or if sooner, on January 21, 2021.

Dodd-Frank requires a securitizer to retain at least 5% of the risk associated with mortgage loans that are securitized, and in some cases the retained risk may be allocated between the securitizer and the lender that originated the loan. The final rule implementing that requirement will become effective on December 24, 2015 for asset-backed securities collateralized by residential mortgages. The final rule exempts securitizations of qualified residential mortgages (“QRMs”) from the risk retention requirement and generally aligns the QRM definition with that of QM. Because there is a temporary category of QMs for mortgages that satisfy the general product feature requirements of QMs and meet the GSEs’ underwriting requirements, lenders that originate loans that are sold to the GSEs while they are in conservatorship would not be required to retain risk associated with those loans. The final rule requires the agencies that implemented the rule to review the QRM definition no later than four years after its effective date and every five years thereafter, and allows each agency to request a review of the definition at any time.

We estimate that for our new risk written in 2014 and the first three quarters of 2015, 83% and 85%, respectively, was

for loans that would have met the CFPB’s general QM definition and, therefore, the QRM definition. We estimate that approximately 99% of our new risk written in each of 2014 and the first three quarters of 2015, was for loans that would have met the temporary category in CFPB’s QM definition. Changes in the treatment of GSE-guaranteed mortgage loans in the regulations defining QM and QRM, or changes in the conservatorship or capital support provided to the GSEs by the U.S. Government, could impact the manner in which the risk-retention rules apply to GSE securitizations, originators who sell loans to GSEs and our business.

The GSEs have different loan purchase programs that allow different levels of mortgage insurance coverage. Under the “charter coverage” program, on certain loans lenders may choose a mortgage insurance coverage percentage that is less than the GSEs’ “standard coverage” and only the minimum required by the GSEs’ charters, with the GSEs paying a lower price for such loans. In 2014 and the first three quarters of 2015, nearly all of our volume was on loans with GSE standard or higher coverage. We charge higher premium rates for higher coverage percentages. To the extent lenders selling loans to the GSEs in the future choose lower coverage for loans that we insure, our revenues would be reduced and we could experience other adverse effects.

The benefit of our net operating loss carryforwards may become substantially limited.

As of September 30, 2015, we had approximately $2.1 billion of net operating losses for tax purposes that we can use in certain circumstances to offset future taxable income and thus reduce our federal income tax liability. Our ability to utilize these net operating losses to offset future taxable income may be significantly limited if we experience an “ownership change” as defined in Section 382 of the Internal Revenue Code of 1986, as amended (the “Code”). In general, an ownership change will occur if there is a cumulative change in our ownership by “5-percent shareholders” (as defined in the Code) that exceeds 50 percentage points over a rolling three-year period. A corporation that experiences an ownership change will generally be subject to an annual limitation on the corporation’s subsequent use of net operating loss carryovers that arose from pre-ownership change periods and use of losses that are subsequently recognized with respect to assets that had a built-in-loss on the date of the ownership change. The amount of the annual limitation generally equals the fair value of the corporation immediately before the ownership change multiplied by the long-term tax-exempt interest rate (subject to certain adjustments). To the extent that the limitation in a post-ownership-change year is not fully utilized, the amount of the limitation for the succeeding year will be increased.

While we have adopted a shareholder rights agreement to minimize the likelihood of transactions in our stock resulting in an ownership change, future issuances of equity-linked securities or transactions in our stock and equity-linked securities that may not be within our control may cause us to experience an ownership change. If we experience an ownership change, we may not be able to fully utilize our net operating losses, resulting in additional income taxes and a reduction in our shareholders’ equity.

We are involved in legal proceedings and are subject to the risk of additional legal proceedings in the future.

Before paying a claim, we review the loan and servicing files to determine the appropriateness of the claim amount. All of our insurance policies provide that we can reduce or deny a claim if the servicer did not comply with its obligations under our insurance policy, including the requirement to mitigate our loss by performing reasonable loss mitigation efforts or, for example, diligently pursuing a foreclosure or bankruptcy relief in a timely manner. We call such reduction of claims submitted to us “curtailments.” In 2014 and the first three quarters of 2015, curtailments reduced our average claim paid by approximately 6.7% and 7.0%, respectively. After we pay a claim, servicers and insureds sometimes object to our curtailments and other adjustments. We review these objections if they are sent to us within 90 days after the claim was paid.

When reviewing the loan file associated with a claim, we may determine that we have the right to rescind coverage on the loan. (In our SEC reports, we refer to insurance rescissions and denials of claims collectively as "rescissions" and variations of that term.) In recent quarters, approximately 5% of claims received in a quarter have been resolved by rescissions, down from the peak of approximately 28% in the first half of 2009. We estimate rescissions mitigated our incurred losses by approximately $2.5 billion in 2009 and $0.2 billion in 2010 and have not significantly mitigated our incurred losses since then. Our loss reserving methodology incorporates our estimates of future rescissions and reversals of rescissions. Historically, reversals of rescissions have been immaterial. A variance between ultimate actual rescission and reversal rates and our estimates, as a result of the outcome of litigation, settlements or other factors, could materially affect our losses.

If the insured disputes our right to rescind coverage, we generally engage in discussions in an attempt to settle the dispute. As part of those discussions, we may voluntarily suspend rescissions we believe may be part of a settlement. Certain settlements require GSE approval. The GSEs consented to two settlement agreements we entered into with Countrywide Home Loans, Inc. (“CHL”) and its affiliate, Bank of America, N.A., as successor to Countrywide Home Loans Servicing LP , but there is no guarantee they will approve others. We have reached and implemented settlement agreements that do not require GSE approval, but they have not been material in the aggregate.

If we are unable to reach a settlement, the outcome of a dispute ultimately would be determined by legal proceedings.

Under our policies in effect prior to October 1, 2014, legal proceedings disputing our right to rescind coverage may be brought up to three years after the lender has obtained title to the property (typically through a foreclosure) or the property was sold in a sale that we approved, whichever is applicable, and under our master policy effective October 1, 2014, such proceedings may be brought up to two years from the date of the notice of rescission. In a few jurisdictions there is a longer time to bring such proceedings.

Until a liability associated with a settlement agreement or litigation becomes probable and can be reasonably estimated, we consider our claim payment or rescission resolved for financial reporting purposes even though discussions and legal proceedings may have been initiated and are ongoing. Under ASC 450-20, an estimated loss from such discussions and proceedings is accrued for only if we determine that the loss is probable and can be reasonably estimated.

The estimated impact that we have recorded for probable settlements, including those that have been implemented, is our best estimate of our loss from these matters. We estimate that as of September 30, 2015, the maximum exposure above the best estimate provision we recorded is $124.9 million. If we are not able to implement settlements we consider probable that have not yet been implemented, we intend to defend MGIC vigorously against any related legal proceedings.

In addition to the discussions and/or proceedings for which we have recorded a loss, we are involved in other discussions and/or proceedings with insureds with respect to our claims paying practices. In addition, holders of loans covered by our previously disclosed and implemented settlement agreement with CHL that did not consent to that agreement (approximately 11% of the dollar amount of exposure under that agreement) may bring legal proceedings against MGIC with respect to such loans. Although it is reasonably possible that when these matters are resolved we will not prevail in all cases, we are unable to make a reasonable estimate or range of estimates of the potential liability. We estimate the maximum exposure associated with these matters to be approximately $202.5 million, although we believe we will ultimately resolve these matters for significantly less than this amount.

The estimates of our maximum exposure referred to above do not include interest or consequential or exemplary damages.

Consumers continue to bring lawsuits against home mortgage lenders and settlement service providers. Mortgage insurers, including MGIC, have been involved in litigation alleging violations of the anti-referral fee provisions of the Real Estate Settlement Procedures Act, which is commonly known as RESPA, and the notice provisions of the Fair Credit Reporting Act, which is commonly known as FCRA. MGIC’s settlement of class action litigation against it under RESPA became final in October 2003. MGIC settled the named plaintiffs’ claims in litigation against it under FCRA in December 2004, following denial of class certification in June 2004. Since December 2006, class action litigation has been brought against a number of large lenders alleging that their captive mortgage reinsurance arrangements violated RESPA. Beginning in December 2011, MGIC, together with various mortgage lenders and other mortgage insurers, was named as a defendant in twelve lawsuits, alleged to be class actions, filed in various U.S. District Courts. The complaints in all of the cases alleged various causes of action related to the captive mortgage reinsurance arrangements of the mortgage lenders, including that the lenders’ captive reinsurers received excessive premiums in relation to the risk assumed by those captives, thereby violating RESPA. As of the end of the first quarter of 2015, MGIC has been dismissed from all twelve cases. There can be no assurance that we will not be subject to further litigation under RESPA (or FCRA) or that the outcome of any such litigation would not have a material adverse effect on us.

In 2013, the U.S. District Court for the Southern District of Florida approved a settlement with the CFPB that resolved a federal investigation of MGIC’s participation in captive reinsurance arrangements in the mortgage insurance industry. The settlement concluded the investigation with respect to MGIC without the CFPB or the court making any findings of wrongdoing. As part of the settlement, MGIC agreed that it would not enter into any new captive reinsurance agreement or reinsure any new loans under any existing captive reinsurance agreement for a period of ten years. MGIC had voluntarily suspended most of its captive arrangements in 2008 in response to market conditions and GSE requests. In connection with the settlement, MGIC paid a civil penalty of $2.65 million and the court issued an injunction prohibiting MGIC from violating any provisions of RESPA.

We received requests from the Minnesota Department of Commerce (the “MN Department”) beginning in February 2006 regarding captive mortgage reinsurance and certain other matters in response to which MGIC provided information on several occasions. In June 2015, MGIC executed a Consent Order with the MN Department that resolved the MN Department’s investigation of captive reinsurance matters without making any findings of wrongdoing. The Consent Order provided, among other things, that MGIC is prohibited from entering into any new captive reinsurance agreement or reinsuring any new loans under any existing captive reinsurance agreement for a period of ten years.

We also received a request in June 2005 from the New York Department of Financial Services for information regarding captive mortgage reinsurance arrangements and other types of arrangements in which lenders receive compensation.

Various regulators, including the CFPB, state insurance commissioners and state attorneys general may bring actions

seeking various forms of relief in connection with alleged violations of RESPA. The insurance law provisions of many states prohibit paying for the referral of insurance business and provide various mechanisms to enforce this prohibition. While we believe our practices are in conformity with applicable laws and regulations, it is not possible to predict the eventual scope, duration or outcome of any such reviews or investigations nor is it possible to predict their effect on us or the mortgage insurance industry.

We are subject to comprehensive, detailed regulation by state insurance departments. These regulations are principally designed for the protection of our insured policyholders, rather than for the benefit of investors. Although their scope varies, state insurance laws generally grant broad supervisory powers to agencies or officials to examine insurance companies and enforce rules or exercise discretion affecting almost every significant aspect of the insurance business. State insurance regulatory authorities could take actions, including changes in capital requirements, that could have a material adverse effect on us. In addition, the CFPB may issue additional rules or regulations, which may materially affect our business.

In December 2013, the U.S. Treasury Department’s Federal Insurance Office released a report that calls for federal standards and oversight for mortgage insurers to be developed and implemented. It is uncertain what form the standards and oversight will take and when they will become effective.

In addition to the matters described above, we are involved in other legal proceedings in the ordinary course of business. In our opinion, based on the facts known at this time, the ultimate resolution of these ordinary course legal proceedings will not have a material adverse effect on our financial position or results of operations.

Resolution of our dispute with the Internal Revenue Service could adversely affect us.

As previously disclosed, the Internal Revenue Service (“IRS”) completed examinations of our federal income tax returns for the years 2000 through 2007 and issued proposed assessments for taxes, interest and penalties related to our treatment of the flow-through income and loss from an investment in a portfolio of residual interests of Real Estate Mortgage Investment Conduits (“REMICs”). The IRS indicated that it did not believe that, for various reasons, we had established sufficient tax basis in the REMIC residual interests to deduct the losses from taxable income. We appealed these assessments within the IRS and in August 2010, we reached a tentative settlement agreement with the IRS which was not finalized.

On September 10, 2014, we received Notices of Deficiency (commonly referred to as “90 day letters”) covering the 2000-2007 tax years. The Notices of Deficiency reflect taxes and penalties related to the REMIC matters of $197.5 million and at September 30, 2015, there would also be interest related to these matters of approximately $179.2 million. In 2007, we made a payment of $65.2 million to the United States Department of the Treasury which will reduce any amounts we would ultimately owe. The Notices of Deficiency also reflect additional amounts due of $261.4 million, which are primarily associated with the disallowance of the carryback of the 2009 net operating loss to the 2004-2007 tax years. We believe the IRS included the carryback adjustments as a precaution to keep open the statute of limitations on collection of the tax that was refunded when this loss was carried back, and not because the IRS actually intends to disallow the carryback permanently.

We filed a petition with the U.S. Tax Court contesting most of the IRS’ proposed adjustments reflected in the Notices of Deficiency and the IRS has filed an answer to our petition which continues to assert their claim. Litigation to resolve our dispute with the IRS could be lengthy and costly in terms of legal fees and related expenses. We can provide no assurance regarding the outcome of any such litigation or whether a compromised settlement with the IRS will ultimately be reached and finalized. Depending on the outcome of this matter, additional state income taxes and state interest may become due when a final resolution is reached. As of September 30, 2015, those state taxes and interest would approximate $48.4 million. In addition, there could also be state tax penalties. Our total amount of unrecognized tax benefits as of September 30, 2015 is $106.9 million, which represents the tax benefits generated by the REMIC portfolio included in our tax returns that we have not taken benefit for in our financial statements, including any related interest. We continue to believe that our previously recorded tax provisions and liabilities are appropriate. However, we would need to make appropriate adjustments, which could be material, to our tax provision and liabilities if our view of the probability of success in this matter changes, and the ultimate resolution of this matter could have a material negative impact on our effective tax rate, results of operations, cash flows, available assets and statutory capital. In this regard, see our risk factors titled “We may not continue to meet the GSEs’ mortgage insurer eligibility requirements and our returns may decrease as we are required to maintain more capital in order to maintain our eligibility” and “State capital requirements may prevent us from continuing to write new insurance on an uninterrupted basis.”

Because we establish loss reserves only upon a loan default rather than based on estimates of our ultimate losses on risk in force, losses may have a disproportionate adverse effect on our earnings in certain periods.

In accordance with accounting principles generally accepted in the United States, commonly referred to as GAAP, we establish reserves for insurance losses and loss adjustment expenses only when notices of default on insured mortgage loans are

received and for loans we estimate are in default but for which notices of default have not yet been reported to us by the servicers (this is often referred to as “IBNR”). Because our reserving method does not take account of losses that could occur from loans that are not delinquent, such losses are not reflected in our financial statements, except in the case where a premium deficiency exists. As a result, future losses on loans that are not currently delinquent may have a material impact on future results as such losses emerge.

Because loss reserve estimates are subject to uncertainties, paid claims may be substantially different than our loss reserves.

When we establish reserves, we estimate the ultimate loss on delinquent loans using estimated claim rates and claim amounts. The estimated claim rates and claim amounts represent our best estimates of what we will actually pay on the loans in default as of the reserve date and incorporate anticipated mitigation from rescissions. For more information regarding our rescission activity, see our risk factor titled “We are involved in legal proceedings and are subject to the risk of additional legal proceedings in the future.” The establishment of loss reserves is subject to inherent uncertainty and requires judgment by management. The actual amount of the claim payments may be substantially different than our loss reserve estimates. Our estimates could be adversely affected by several factors, including a deterioration of regional or national economic conditions. The deterioration in conditions may include an increase in unemployment, reducing borrowers’ income and thus their ability to make mortgage payments, and a decrease in housing values, which may affect borrower willingness to continue to make mortgage payments when the value of the home is below the mortgage balance. Changes to our estimates could have a material impact on our future results, even in a stable economic environment. In addition, historically, losses incurred have followed a seasonal trend in which the second half of the year has weaker credit performance than the first half, with higher new default notice activity and a lower cure rate.

We rely on our management team and our business could be harmed if we are unable to retain qualified personnel or successfully develop and/or recruit their replacements.

In the last several years, two newly capitalized mortgage insurers that are not encumbered with a portfolio of pre-crisis mortgages have been formed. Former executives from other mortgage insurers have joined these two new competitors. In addition, in 2014, a worldwide insurer and reinsurer completed the purchase of a competitor. Our success depends, in part, on the skills, working relationships and continued services of our management team and other key personnel. The unexpected departure of key personnel could adversely affect the conduct of our business. In such event, we would be required to obtain other personnel to manage and operate our business. In addition, we will be required to replace the knowledge and expertise of our aging workforce as our workers retire. In either case, there can be no assurance that we would be able to develop or recruit suitable replacements for the departing individuals; that replacements could be hired, if necessary, on terms that are favorable to us; or that we can successfully transition such replacements in a timely manner. We currently have not entered into any employment agreements with our officers or key personnel. Volatility or lack of performance in our stock price may affect our ability to retain our key personnel or attract replacements should key personnel depart. Without a properly skilled and experienced workforce, our costs, including productivity costs and costs to replace employees may increase, and this could negatively impact our earnings.

Our reinsurance agreement with unaffiliated reinsurers allows each reinsurer to terminate such reinsurer’s portion of the transaction on a run-off basis if during any six month period prior to July 1, 2016, two or more officers with positions of executive vice president or higher (of which there are currently four) depart, the departures result in a material adverse impact on our underwriting and risk management practices or policies, and such reinsurer timely objects to the replacements of such executives. We view such a termination as unlikely.

Loan modification and other similar programs may not continue to provide benefits to us and our losses on loans that re-default can be higher than what we would have paid had the loan not been modified.

Beginning in the fourth quarter of 2008, the federal government, including through the Federal Deposit Insurance Corporation and the GSEs, and several lenders implemented programs to modify loans to make them more affordable to borrowers with the goal of reducing the number of foreclosures. During 2013, 2014 and the first three quarters of 2015, we were notified of modifications that cured delinquencies that had they become paid claims would have resulted in approximately $1.0 billion, $0.8 billion and $0.5 billion, respectively, of estimated claim payments.

One loan modification program is the Home Affordable Modification Program (“HAMP”). We are aware of approximately 5,150 loans in our primary delinquent inventory at September 30, 2015 for which the HAMP trial period has begun and which trial periods have not been reported to us as completed or cancelled. Through September 30, 2015, approximately 62,200 delinquent primary loans have cured their delinquency after entering HAMP and are not in default. The interest rates on certain loans modified under HAMP are subject to adjustment five years after the modification was entered into. Such adjustments are limited to an increase of one percentage point per year.

The GSEs’ Home Affordable Refinance Program (“HARP”), allows borrowers who are not delinquent but who may not otherwise be able to refinance their loans under the current GSE underwriting standards, to refinance their loans. We allow HARP refinances on loans that we insure, regardless of whether the loan meets our current underwriting standards, and we account for the refinance as a loan modification (even where there is a new lender) rather than new insurance written. As of September 30, 2015, approximately 13% of our primary insurance in force had benefitted from HARP and was still in force.

In each of 2014 and the first three quarters of 2015, approximately 16% of our primary cures were the result of modifications, with HAMP accounting for approximately 67% of the modifications in each of those periods. Although the HAMP and HARP programs have been extended through December 2016, we believe that we have realized the majority of the benefits from them because the number of loans insured by us that we are aware are entering those programs has decreased significantly.

We cannot determine the total benefit we may derive from loan modification programs, particularly given the uncertainty around the re-default rates for defaulted loans that have been modified. Our loss reserves do not account for potential re-defaults of current loans. Re-defaults can result in losses for us that could be greater than we would have paid had the loan not been modified. Eligibility under certain loan modification programs can also adversely affect us by creating an incentive for borrowers who are able to make their mortgage payments to become delinquent in an attempt to obtain the benefits of a modification. New notices of delinquency increase our incurred losses.

If the volume of low down payment home mortgage originations declines, the amount of insurance that we write could decline, which would reduce our revenues.

The factors that affect the volume of low down payment mortgage originations include:

• restrictions on mortgage credit due to more stringent underwriting standards, liquidity issues and risk-retention requirements associated with non-QRM loans affecting lenders,

• the level of home mortgage interest rates and the deductibility of mortgage interest for income tax purposes,

• the health of the domestic economy as well as conditions in regional and local economies and the level of consumer confidence,

• housing affordability,

• population trends, including the rate of household formation,

• the rate of home price appreciation, which in times of heavy refinancing can affect whether refinanced loans have loan-to-value ratios that require private mortgage insurance, and

• government housing policy encouraging loans to first-time homebuyers.

A decline in the volume of low down payment home mortgage originations could decrease demand for mortgage insurance, decrease our new insurance written and reduce our revenues. For other factors that could decrease the demand for mortgage insurance, see our risk factor titled “The amount of insurance we write could be adversely affected if lenders and investors select alternatives to private mortgage insurance.”

State capital requirements may prevent us from continuing to write new insurance on an uninterrupted basis.

The insurance laws of 16 jurisdictions, including Wisconsin, our domiciliary state, require a mortgage insurer to maintain a minimum amount of statutory capital relative to the risk in force (or a similar measure) in order for the mortgage insurer to continue to write new business. We refer to these requirements as the “State Capital Requirements.” While they vary among jurisdictions, the most common State Capital Requirements allow for a maximum risk-to-capital ratio of 25 to 1. A risk-to-capital ratio will increase if (i) the percentage decrease in capital exceeds the percentage decrease in insured risk, or (ii) the percentage increase in capital is less than the percentage increase in insured risk. Wisconsin does not regulate capital by using a risk-to-capital measure but instead requires a minimum policyholder position (“MPP”). The “policyholder position” of a mortgage insurer is its net worth or surplus, contingency reserve and a portion of the reserves for unearned premiums.

At September 30, 2015, MGIC’s risk-to-capital ratio was 12.3to 1, below the maximum allowed by the jurisdictions with State Capital Requirements, and its policyholder position was $1.1 billion above the required MPP of $1.1 billion.In calculating our risk-to-capital ratio and MPP, we are allowed full credit for the risk ceded under our reinsurance transaction with a group of

unaffiliated reinsurers. It is possible that under the revised State Capital Requirements discussed below, MGIC will not be allowed full credit for the risk ceded to the reinsurers. If MGIC is not allowed an agreed level of credit under either the State Capital Requirements or the PMIERs, MGIC may terminate the reinsurance agreement, without penalty.At this time, we expect MGIC to continue to comply with the current State Capital Requirements; however, you should read the rest of these risk factors for information about matters that could negatively affect such compliance.

At September 30, 2015, the risk-to-capital ratio of our combined insurance operations (which includes reinsurance affiliates) was 13.6 to 1. Reinsurance transactions with affiliates permit MGIC to write insurance with a higher coverage percentage than it could on its own under certain state-specific requirements. A higher risk-to-capital ratio on a combined basis may indicate that, in order for MGIC to continue to utilize reinsurance arrangements with its affiliates, unless a waiver of the State Capital Requirements of Wisconsin continues to be effective, additional capital contributions to the reinsurance affiliates could be needed.

The NAIC previously announced that it plans to revise the minimum capital and surplus requirements for mortgage insurers that are provided for in its Mortgage Guaranty Insurance Model Act. A working group of state regulators is drafting the revisions, although no date has been established by which the NAIC must propose revisions to such requirements. Depending on the scope of revisions made by the NAIC, MGIC may be prevented from writing new business in the jurisdictions adopting such revisions.

If MGIC fails to meet the State Capital Requirements of Wisconsin and is unable to obtain a waiver of them from the OCI, MGIC could be prevented from writing new business in all jurisdictions. If MGIC fails to meet the State Capital Requirements of a jurisdiction other than Wisconsin and is unable to obtain a waiver of them, MGIC could be prevented from writing new business in that particular jurisdiction. It is possible that regulatory action by one or more jurisdictions, including those that do not have specific State Capital Requirements, may prevent MGIC from continuing to write new insurance in such jurisdictions. If we are unable to write business in all jurisdictions, lenders may be unwilling to procure insurance from us anywhere. In addition, a lender’s assessment of the future ability of our insurance operations to meet the State Capital Requirements or the PMIERs may affect its willingness to procure insurance from us. In this regard, see our risk factor titled “Competition or changes in our relationships with our customers could reduce our revenues, reduce our premium yields and/or increase our losses.”A possible future failure by MGIC to meet the State Capital Requirements or the PMIERs will not necessarily mean that MGIC lacks sufficient resources to pay claims on its insurance liabilities. While we believe MGIC has sufficient claims paying resources to meet its claim obligations on its insurance in force on a timely basis, you should read the rest of these risk factors for information about matters that could negatively affect MGIC’s claims paying resources.

Downturns in the domestic economy or declines in the value of borrowers’ homes from their value at the time their loans closed may result in more homeowners defaulting and our losses increasing.

Losses result from events that reduce a borrower’s ability or willingness to continue to make mortgage payments, such as unemployment, and whether the home of a borrower who defaults on his mortgage can be sold for an amount that will cover unpaid principal and interest and the expenses of the sale. In general, favorable economic conditions reduce the likelihood that borrowers will lack sufficient income to pay their mortgages and also favorably affect the value of homes, thereby reducing and in some cases even eliminating a loss from a mortgage default. A deterioration in economic conditions, including an increase in unemployment, generally increases the likelihood that borrowers will not have sufficient income to pay their mortgages and can also adversely affect housing values, which in turn can influence the willingness of borrowers with sufficient resources to make mortgage payments to do so when the mortgage balance exceeds the value of the home. Housing values may decline even absent a deterioration in economic conditions due to declines in demand for homes, which in turn may result from changes in buyers’ perceptions of the potential for future appreciation, restrictions on and the cost of mortgage credit due to more stringent underwriting standards, higher interest rates generally or changes to the deductibility of mortgage interest for income tax purposes, or other factors. The residential mortgage market in the United States had for some time experienced a variety of poor or worsening economic conditions, including a material nationwide decline in housing values, with declines continuing into early 2012 in a number of geographic areas. Although housing values in most markets have recently been increasing, in some markets they remain significantly below their peak levels. Changes in housing values and unemployment levels are inherently difficult to forecast given the uncertainty in the current market environment, including uncertainty about the effect of actions the federal government has taken and may take with respect to tax policies, mortgage finance programs and policies, and housing finance reform.

The mix of business we write affects the likelihood of losses occurring, our Minimum Required Assets under the PMIERs, and our premium yields.

Even when housing values are stable or rising, mortgages with certain characteristics have higher probabilities of claims. These characteristics include loans with loan-to-value ratios over 95% (or in certain markets that have experienced declining housing values, over 90%), FICO credit scores below 620, limited underwriting, including limited borrower documentation, or

higher total debt-to-income ratios, as well as loans having combinations of higher risk factors. As of September 30, 2015, approximately 16.7% of our primary risk in force consisted of loans with loan-to-value ratios greater than 95%, 4.9% had FICO credit scores below 620, and 4.9% had limited underwriting, including limited borrower documentation, each attribute as determined at the time of loan origination. A material number of these loans were originated in 2005 - 2007 or the first half of 2008. For information about our classification of loans by FICO credit score and documentation, see footnotes (1) and (2) to the composition of primary default inventory table under “Results of Consolidated Operations - Losses - Losses incurred” in Management’s Discussion and Analysis of Financial Condition and Results of Operations.

The Minimum Required Assets under the PMIERs are, in part, a function of the direct risk-in-force and the risk profile of the loans we insure, considering loan-to-value ratio, credit score, vintage, HARP status and delinquency status; and whether the loans were insured under lender paid mortgage insurance policies or other policies that are not subject to automatic termination consistent with the Homeowners Protection Act requirements for borrower paid mortgage insurance. Therefore, if our direct risk-in-force increases through increases in new insurance written, or if our mix of business changes to include loans with higher loan-to-value ratios or lower credit scores, for example, or if we insure more loans under lender-paid mortgage insurance policies, we will be required to hold more Available Assets in order to maintain GSE eligibility.

From time to time, in response to market conditions, we change the types of loans that we insure and the requirements under which we insure them. In 2013, we liberalized our underwriting guidelines somewhat, in part through aligning most of our underwriting requirements with Fannie Mae and Freddie Mac for loans that receive and are processed in accordance with certain approval recommendations from a GSE automated underwriting system. As a result of the liberalization of our underwriting requirements and other factors, our business written beginning in the second half of 2013 is expected to have a somewhat higher claim incidence than business written in 2009 through the first half of 2013. However, we believe this business presents an acceptable level of risk. Our underwriting requirements are available on our website at http://www.mgic.com/underwriting/index.html. We monitor the competitive landscape and will make adjustments to our pricing and underwriting guidelines as warranted. We also make exceptions to our underwriting requirements on a loan-by-loan basis and for certain customer programs. Together, the number of loans for which exceptions were made accounted for fewer than 2% of the loans we insured in 2014 and in the first three quarters of 2015.

As noted above in our risk factor titled “We may not continue to meet the GSEs’ mortgage insurer eligibility requirements and our returns may decrease as we are required to maintain more capital in order to maintain our eligibility,” we have recently increased the percentage of our business from lender-paid single premium policies. Depending on the actual life of a single premium policy and its premium rate relative to that of a monthly premium policy, a single premium policy may generate more or less premium than a monthly premium policy over its life. Currently, we expect to receive less lifetime premium from a new lender-paid single premium policy than we would from a new borrower-paid monthly premium policy.

As noted above in our risk factor titled “We may not continue to meet the GSEs’ mortgage insurer eligibility requirements and our returns may decrease as we are required to maintain more capital in order to maintain our eligibility,” we entered into a quota share reinsurance transaction with a group of unaffiliated reinsurers. Although the transaction reduces our premiums, it has a lesser impact on our overall results, as losses ceded under the transaction reduce our losses incurred and the ceding commission we receive reduces our underwriting expenses. The net cost of reinsurance, with respect to a covered loan, is 6% (but can be lower if losses are materially higher than we expect). This cost is derived by dividing the reduction in our pre-tax net income from such loan with reinsurance by our direct (that is, without reinsurance) premiums from such loan. Although the net cost of the reinsurance is generally constant at 6%, the effect of the reinsurance on the various components of pre-tax income will vary from period to period, depending on the level of ceded losses. We expect that the recent restructuring of the reinsurance transaction will have the effect of reducing our premium yield for the remainder of 2015 and into 2016.

In addition to the effect of reinsurance on our premium yield, we expect a modest decline in premium yield resulting from the premium rates themselves: the books we wrote before 2009, which have a higher average premium rate than subsequent books, are expected to continue to decline as a percentage of the insurance in force; and the average premium rate on these books is also expected to decline as the premium rates reset to lower levels at the time the loans reach the ten-year anniversary of their initial coverage date. However, for loans that have utilized HARP , the initial ten-year period was reset to begin as of the date of the HARP transaction. As of September 30, 2015, approximately 23%, 27%, 35%, and 50% of the insurance in force from 2005, 2006, 2007, and 2008, respectively, has been reported to us as utilizing HARP.

The circumstances in which we are entitled to rescind coverage have narrowed for insurance we have written in recent years. During the second quarter of 2012, we began writing a portion of our new insurance under an endorsement to our then existing master policy (the “Gold Cert Endorsement”), which limited our ability to rescind coverage compared to that master policy. The Gold Cert Endorsement is filed as Exhibit 99.7 to our quarterly report on Form 10-Q for the quarter ended March 31, 2012 (filed with the SEC on May 10, 2012).

To comply with requirements of the GSEs, in 2014 we introduced a new master policy. Our rescission rights under our new master policy are comparable to those under our previous master policy, as modified by the Gold Cert Endorsement, but may be further narrowed if the GSEs permit modifications to them. Our new master policy is filed as Exhibit 99.19 to our quarterly report on Form 10-Q for the quarter ended September 30, 2014 (filed with the SEC on November 7, 2014). All of our primary new insurance on loans with mortgage insurance application dates on or after October 1, 2014, was written under our new master policy. As of September 30, 2015, approximately 44% of our flow, primary insurance in force was written under our Gold Cert Endorsement or our new master policy.

As of September 30, 2015, approximately 2.4% of our primary risk in force consisted of adjustable rate mortgages in which the initial interest rate may be adjusted during the five years after the mortgage closing (“ARMs”). We classify as fixed rate loans adjustable rate mortgages in which the initial interest rate is fixed during the five years after the mortgage closing. If interest rates should rise between the time of origination of such loans and when their interest rates may be reset, claims on ARMs and adjustable rate mortgages whose interest rates may only be adjusted after five years would be substantially higher than for fixed rate loans. In addition, we have insured “interest-only” loans, which may also be ARMs, and loans with negative amortization features, such as pay option ARMs. We believe claim rates on these loans will be substantially higher than on loans without scheduled payment increases that are made to borrowers of comparable credit quality.

Although we attempt to incorporate these higher expected claim rates into our underwriting and pricing models, there can be no assurance that the premiums earned and the associated investment income will be adequate to compensate for actual losses even under our current underwriting requirements. We do, however, believe that given the various changes in our underwriting requirements that were effective beginning in the first quarter of 2008, our insurance written beginning in the second half of 2008 will generate underwriting profits.

The premiums we charge may not be adequate to compensate us for our liabilities for losses and as a result any inadequacy could materially affect our financial condition and results of operations.

We set premiums at the time a policy is issued based on our expectations regarding likely performance over the long-term. Our premiums are subject to approval by state regulatory agencies, which can delay or limit our ability to increase our premiums. Generally, we cannot cancel mortgage insurance coverage or adjust renewal premiums during the life of a mortgage insurance policy. As a result, higher than anticipated claims generally cannot be offset by premium increases on policies in force or mitigated by our non-renewal or cancellation of insurance coverage. The premiums we charge, and the associated investment income, may not be adequate to compensate us for the risks and costs associated with the insurance coverage provided to customers. An increase in the number or size of claims, compared to what we anticipate, could adversely affect our results of operations or financial condition.

We continue to experience elevated losses on our 2005-2008 books and our current expectation is that the incurred losses from these books, although declining, will continue to generate a material portion of our total incurred losses for a number of years. The ultimate amount of these losses will depend in part on general economic conditions, including unemployment, and the direction of home prices, which in turn will be influenced by general economic conditions and other factors. Because we cannot predict future home prices or general economic conditions with confidence, there is uncertainty surrounding what our ultimate losses will be on each of our books, including our 2005-2008 books.

We are susceptible to disruptions in the servicing of mortgage loans that we insure.

We depend on reliable, consistent third-party servicing of the loans that we insure. Over the last several years, the mortgage loan servicing industry has experienced consolidation. The resulting reduction in the number of servicers could lead to disruptions in the servicing of mortgage loans covered by our insurance policies. In addition, the increases in the number of delinquent mortgage loans requiring servicing since 2007 have strained the resources of servicers, reducing their ability to undertake mitigation efforts that could help limit our losses, and have resulted in an increasing amount of delinquent loan servicing being transferred to specialty servicers. The transfer of servicing can cause a disruption in the servicing of delinquent loans. Future housing market conditions could lead to additional increases in delinquencies. Managing a substantially higher volume of non-performing loans could lead to increased disruptions in the servicing of mortgages.

Changes in interest rates, house prices or mortgage insurance cancellation requirements may change the length of time that our policies remain in force.

The premium from a single premium policy is collected upfront and generally earned over the estimated life of the policy. In contrast, premiums from a monthly premium policy are received and earned each month over the life of the policy. In each

year, most of our premiums received are from insurance that has been written in prior years. As a result, the length of time insurance remains in force, which is also generally referred to as persistency, is a significant determinant of our revenues. Future premiums on our monthly paid insurance policies in force represent a material portion of our claims paying resources and a low persistency rate will reduce those future premiums. In contrast, a higher than expected persistency rate will decrease the profitability from single premium policies because they will remain in force longer than was estimated when the policies were written.

The monthly premium program used for the substantial majority of loans we insured provides that, for the first ten years of the policy, the premium is determined by the product of the premium rate and the initial loan balance; thereafter, a lower premium rate is applied to the initial loan balance. The initial ten-year period is reset when the loan is refinanced under HARP. The premiums on many of the policies in our 2005 book that were not refinanced under HARP will reset in 2015. As of September 30, 2015, approximately 23%, 27%, 35%, and 50% of our insurance in force from 2005, 2006, 2007, and 2008 respectively, has been refinanced under HARP.

Our persistency rate was 80.0% at September 30, 2015, compared to 82.8% at December 31, 2014, and 79.5% at December 31, 2013. During the 1990s, our year-end persistency ranged from a high of 87.4% at December 31, 1990 to a low of 68.1% at December 31, 1998. Since 2000, our year-end persistency ranged from a high of 84.7% at December 31, 2009 to a low of 47.1% at December 31, 2003.

Our persistency rate is primarily affected by the level of current mortgage interest rates compared to the mortgage coupon rates on our insurance in force, which affects the vulnerability of the insurance in force to refinancing. Our persistency rate is also affected by mortgage insurance cancellation policies of mortgage investors along with the current value of the homes underlying the mortgages in the insurance in force.

Your ownership in our company may be diluted by additional capital that we raise or if the holders of our outstanding convertible debt convert that debt into shares of our common stock.

As noted above under our risk factor titled “We may not continue to meet the GSEs’ mortgage insurer eligibility requirements and our returns may decrease as we are required to maintain more capital in order to maintain our eligibility,” we expect to meet the PMIERs upon their effectiveness. However, there can be no assurance that we would not seek to issue non-dilutive debt capital or to raise additional equity capital to manage our capital position under the PMIERs or for other purposes. Any future issuance of equity securities may dilute your ownership interest in our company. In addition, the market price of our common stock could decline as a result of sales of a large number of shares or similar securities in the market or the perception that such sales could occur.

We have $389.5 million principal amount of 9% Convertible Junior Subordinated Debentures outstanding. The principal amount of the debentures is currently convertible, at the holder’s option, at an initial conversion rate, which is subject to adjustment, of 74.0741 common shares per $1,000 principal amount of debentures. This represents an initial conversion price of approximately $13.50 per share. We have the right, and may elect, to defer interest payable under the debentures in the future. If a holder elects to convert its debentures, the interest that has been deferred on the debentures being converted is also convertible into shares of our common stock. The conversion rate for such deferred interest is based on the average price that our shares traded at during a 5-day period immediately prior to the election to convert the associated debentures. We may elect to pay cash for some or all of the shares issuable upon a conversion of the debentures. We also have $345 million principal amount of 5% Convertible Senior Notes and $500 million principal amount of 2% Convertible Senior Notes outstanding. The 5% Convertible Senior Notes are convertible, at the holder’s option, at an initial conversion rate, which is subject to adjustment, of 74.4186 shares per $1,000 principal amount at any time prior to the maturity date. This represents an initial conversion price of approximately $13.44 per share. Prior to January 1, 2020, the 2% Convertible Senior Notes are convertible only upon satisfaction of one or more conditions. One such condition is that conversion may occur during any calendar quarter commencing after March 31, 2014, if the last reported sale price of our common stock for each of at least 20 trading days during the 30 consecutive trading days ending on, and including, the last trading day of the immediately preceding calendar quarter is greater than or equal to 130% of the applicable conversion price on each applicable trading day. The notes are convertible at an initial conversion rate, which is subject to adjustment, of 143.8332 shares per $1,000 principal amount. This represents an initial conversion price of approximately $6.95 per share. 130% of such conversion price is $9.03. On or after January 1, 2020, holders may convert their notes irrespective of satisfaction of the conditions. We do not have the right to defer interest on our Convertible Senior Notes. For a discussion of the dilutive effects of our convertible securities on our earnings per share, see Note 6 - “Earnings per Share” to our consolidated financial statements.

Our debt obligations materially exceed our holding company cash and investments.

At September 30, 2015, we had approximately $469 million in cash and investments at our holding company and our holding company’s debt obligations were $1,297 million in aggregate principal amount, consisting of $62 million of Senior Notes

due in November 2015, $345 million of Convertible Senior Notes due in 2017, $500 million of Convertible Senior Notes due in 2020 and $390 million of Convertible Junior Debentures due in 2063. Annual debt service on the debt outstanding as of September 30, 2015, is approximately $66 million.

The Senior Notes, Convertible Senior Notes and Convertible Junior Debentures are obligations of our holding company, MGIC Investment Corporation, and not of its subsidiaries. Our holding company has no material sources of cash inflows other than investment income. The payment of dividends from our insurance subsidiaries, which other than raising capital in the public markets is the principal source of our holding company cash inflow, is restricted by insurance regulation. MGIC is the principal source of dividend-paying capacity. Since 2008, MGIC has not paid any dividends to our holding company. At this time, MGIC cannot pay any dividends to our holding company without authorization from the OCI and the GSEs. Any additional capital contributions to our subsidiaries would decrease our holding company cash and investments.

We could be adversely affected if personal information on consumers that we maintain is improperly disclosed and our information technology systems may become outdated and we may not be able to make timely modifications to support our products and services.

We rely on the efficient and uninterrupted operation of complex information technology systems. All information technology systems are potentially vulnerable to damage or interruption from a variety of sources. As part of our business, we maintain large amounts of personal information on consumers. While we believe we have appropriate information security policies and systems to prevent unauthorized disclosure, there can be no assurance that unauthorized disclosure, either through the actions of third parties or employees, will not occur. Unauthorized disclosure could adversely affect our reputation and expose us to material claims for damages.

In addition, we are in the process of upgrading certain of our information systems that have been in place for a number of years. The implementation of these technological improvements is complex, expensive and time consuming. If we fail to timely and successfully implement the new technology systems, or if the systems do not operate as expected, it could have an adverse impact on our business, business prospects and results of operations.

Our Australian operations may suffer significant losses.

We began international operations in Australia, where we started to write business in June 2007. Since 2008, we are no longer writing new business in Australia. Our existing risk in force in Australia is subject to the risks described in the general economic and insurance business-related factors discussed above. In addition to these risks, we are subject to a number of other risks from having deployed capital in Australia, including foreign currency exchange rate fluctuations and interest-rate volatility particular to Australia.

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Earnings per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Basic earnings per share [Abstract]
Net income	$ 822,852	$ 72,017	$ 1,069,582	$ 177,521
Weighted average common shares outstanding (in shares)	339,701	338,626	339,504	338,488
Basic income per share (in dollars per share)	$ 2.42	$ 0.21	$ 3.15	$ 0.52
Diluted earnings per share [Abstract]
Net income	$ 822,852	$ 72,017	$ 1,069,582	$ 177,521
Diluted income available to common shareholders	$ 833,581	$ 75,066	$ 1,101,768	$ 186,669
Weighted-average shares - Basic (in shares)	339,701	338,626	339,504	338,488
Effect of dilutive securities [Abstract]
Weighted-average shares - Diluted (in shares)	468,149	413,576	468,097	413,473
Diluted income per share (in dollars per share)	$ 1.78	$ 0.18	$ 2.35	$ 0.45
Antidilutive securities (in shares)	0	54,500	0	54,500
Effective income tax rate	35.00%		35.00%
Unvested Restricted Stock Units
Effect of dilutive securities [Abstract]
Dilutive securities (in shares)	1,983	3,008	2,128	3,043
Convertible Senior Notes, interest at 2% per annum, due April 2020
Effect of dilutive securities [Abstract]
Dilutive securities	$ 1,982	$ 3,049	$ 5,946	$ 9,148
Dilutive securities (in shares)	71,942	71,942	71,942	71,942
Stated interest rate	2.00%		2.00%
Convertible Senior Notes, interest at 5% per annum, due May 2017
Effect of dilutive securities [Abstract]
Dilutive securities	$ 3,050	$ 0	$ 9,150	$ 0
Dilutive securities (in shares)	25,670	0	25,670	0
Stated interest rate	5.00%		5.00%
Convertible Junior Debentures at 9% per annum, Due 2063
Effect of dilutive securities [Abstract]
Dilutive securities	$ 5,697	$ 0	$ 17,090	$ 0
Dilutive securities (in shares)	28,853	0	28,853	0
Stated interest rate	9.00%		9.00%

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Income Taxes - Deferred Tax Asset Rollforward (Details) - USD ($) $ in Thousands	3 Months Ended			9 Months Ended
	Dec. 31, 2015	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Movement In Deferred Tax Asset [Roll Forward]
Beginning Balance December 31, 2014	$ 0			$ 902,300
Change in valuation allowance		$ (739,298)	$ (24,781)	(822,465)	$ (63,229)
Ending Balance September 30, 2015		0		0
Other Comprehensive Income (Loss)
Movement In Deferred Tax Asset [Roll Forward]
Change in valuation allowance		(70,000)	$ 6,600	(54,500)	$ (21,300)
Deferred Tax Asset, Changes In Current Period
Movement In Deferred Tax Asset [Roll Forward]
Change in valuation allowance				(143,400)
Deferred Tax Asset, Changes In Current Period | Other Comprehensive Income (Loss)
Movement In Deferred Tax Asset [Roll Forward]
Change in valuation allowance				6,300
Deferred Tax Asset, Changes In Current Period | Income Tax Expense (Benefit)
Movement In Deferred Tax Asset [Roll Forward]
Change in valuation allowance		(41,200)		$ (124,400)
Deferred Tax Asset, Changes In Current Period | Income Tax Expense (Benefit) | Scenario, Forecast
Movement In Deferred Tax Asset [Roll Forward]
Change in valuation allowance	$ (25,300)
Deferred Tax Asset, Changes In Future Periods
Movement In Deferred Tax Asset [Roll Forward]
Change in valuation allowance		(758,900)
Deferred Tax Asset, Changes In Future Periods | Other Comprehensive Income (Loss)
Movement In Deferred Tax Asset [Roll Forward]
Change in valuation allowance		(60,800)
Deferred Tax Asset, Changes In Future Periods | Income Tax Expense (Benefit)
Movement In Deferred Tax Asset [Roll Forward]
Change in valuation allowance		$ (698,100)

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Loss Reserves (Tables)

9 Months Ended

Sep. 30, 2015

Insurance Loss Reserves [Abstract]

Reconciliation of beginning and ending loss reserves

The following table provides a reconciliation of beginning and ending loss reserves for the nine months ended September 30, 2015 and 2014:

	Nine months ended September 30,
	2015			2014
	(In thousands)
Reserve at beginning of period	$	2,396,807		$	3,061,401
Less reinsurance recoverable	57,841			64,085
Net reserve at beginning of period	2,338,966			2,997,316
Losses incurred:
Losses and LAE incurred in respect of default notices related to:
Current year	338,611			454,390
Prior years (1)	(90,130		)	(75,387		)
Subtotal	248,481			379,003
Losses paid:
Losses and LAE paid in respect of default notices related to:
Current year	9,227			11,574
Prior years	652,465			895,061
Reinsurance terminations (2)	(15,440		)	—
Subtotal	646,252			906,635
Net reserve at end of period	1,941,195			2,469,684
Plus reinsurance recoverables	38,748			57,898
Reserve at end of period	$	1,979,943		$	2,527,582

(1) A negative number for prior year losses incurred indicates a redundancy of prior year loss reserves and a positive number for prior year losses incurred indicates a deficiency of prior year loss reserves.

(2) In a termination or commutation, the reinsurance agreement is cancelled, with no future premium ceded and funds for any incurred but unpaid losses transferred to us. The transferred funds result in an increase in our investment portfolio (including cash and cash equivalents) and a decrease in net losses paid (reduction in losses incurred). In addition, there is an offsetting decrease in the reinsurance recoverable (increase in losses incurred), and thus there is no net impact to losses incurred.

Prior year development of the reserves

The prior year development of the reserves in the first nine months of 2015 and 2014 is reflected in the table below.

	Nine months ended September 30,
	2015			2014
	(In millions)
Decrease in estimated claim rate on primary defaults	$	(95	)	$	(38	)
Increase in estimated severity on primary defaults	12			(20		)
Change in estimates related to pool reserves, LAE reserves and reinsurance	(7		)	(17		)
Total prior year loss development (1)	$	(90	)	$	(75	)

(1) A negative number for prior year loss development indicates a redundancy of prior year loss reserves, and a positive number indicates a deficiency of prior year loss reserves

Rollforward of primary default inventory

A rollforward of our primary default inventory for the three and nine months ended September 30, 2015 and 2014 appears in the table below. The information concerning new notices and cures is compiled from monthly reports received from loan servicers. The level of new notice and cure activity reported in a particular month can be influenced by, among other things, the date on which a servicer generates its report, the number of business days in a month and transfers of servicing between loan servicers.

	Three months ended September 30,				Nine months ended September 30,
	2015		2014		2015		2014
Default inventory at beginning of period	66,357		85,416		79,901		103,328
New notices	19,509		22,927		55,856		67,451
Cures	(17,036	)	(19,582	)	(56,700	)	(68,082	)
Paids (including those charged to a deductible or captive)	(3,958	)	(5,288	)	(12,671	)	(18,420	)
Rescissions and denials	(230	)	(319	)	(623	)	(1,123	)
Items removed from inventory resulting from the Countrywide settlement on GSE loans	—		—		(1,121	)	—
Default inventory at end of period	64,642		83,154		64,642		83,154

Aging of the primary default inventory

As of September 30, 2015 the percentage of loans in the inventory that have been in default for 12 or more consecutive months has declined compared with the prior year end and one year prior, as shown in the table below. Historically as a default ages it becomes more likely to result in a claim. The percentage of loans that have been in default for 12 or more consecutive months and the number of loans in our primary claims received inventory have been affected by our suspended rescissions and the resolution of certain of those rescissions discussed below and in Note 5 – “Litigation and Contingencies.”

	September 30, 2015			December 31, 2014			September 30, 2014
Consecutive months in default
3 months or less	13,991	22	%	15,319	19	%	16,209	19	%
4 - 11 months	14,703	23	%	19,710	25	%	18,890	23	%
12 months or more	35,948	55	%	44,872	56	%	48,055	58	%
Total primary default inventory	64,642	100	%	79,901	100	%	83,154	100	%
Primary claims received inventory included in ending default inventory (1)	2,982	5	%	4,746	6	%	5,194	6	%

(1) Our claims received inventory includes suspended rescissions, as we have voluntarily suspended rescissions of coverage related to loans that we believed would be included in a potential resolution. As of September 30, 2015, rescissions of coverage on approximately 430 loans had been voluntarily suspended compared to 1,425 at December 31, 2014 and 1,575 at September 30, 2014.

Number of payments delinquent

The number of payments that a borrower is delinquent is shown in the table below.

	September 30, 2015			December 31, 2014			September 30, 2014
Number of payments delinquent
3 payments or less	20,637	32	%	23,253	29	%	23,769	28	%
4 - 11 payments	14,890	23	%	19,427	24	%	18,985	23	%
12 payments or more	29,115	45	%	37,221	47	%	40,400	49	%
Total primary default inventory	64,642	100	%	79,901	100	%	83,154	100	%

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Debt (Tables)

9 Months Ended

Sep. 30, 2015

Debt Disclosure [Abstract]

Long-term debt

Long-term debt as of September 30, 2015 and December 31, 2014 consists of the following obligations.

	September 30, 2015			December 31, 2014
	(In millions)
Senior Notes, interest at 5.375% per annum, due November 2015	$	61.9		$	61.9
Convertible Senior Notes, interest at 5% per annum, due May 2017 (1)	345.0			345.0
Convertible Senior Notes, interest at 2% per annum, due April 2020 (2) (3)	500.0			500.0
Convertible Junior Subordinated Debentures, interest at 9% per annum, due April 2063 (4)	389.5			389.5
Total debt	1,296.4			1,296.4
Less current portion of debt	(61.9		)	(61.9		)
Total long-term debt	$	1,234.5		$	1,234.5

(1) Convertible at any time prior to maturity at the holder's option, at an initial conversion rate, which is subject to adjustment, of 74.4186 shares per $1,000 principal amount, representing an initial conversion price of approximately $13.44 per share.

(2) Prior to January 1, 2020, the 2% Convertible Senior Notes are convertible only upon satisfaction of one or more conditions. One such condition is that during any calendar quarter commencing after March 31, 2014, the last reported sale price of our common stock for each of at least 20 trading days during the 30 consecutive trading days ending on, and including, the last trading day of the immediately preceding calendar quarter be greater than or equal to 130% of the applicable conversion price on each applicable trading day. The 2% Notes are convertible at an initial conversion rate, which is subject to adjustment, of 143.8332 shares per $1,000 principal amount, representing an initial conversion price of approximately $6.95 per share. 130% of such conversion price is $9.03. On or after January 1, 2020, holders may convert their notes irrespective of satisfaction of the conditions. Our common stock price was greater than or equal to 130% of the applicable conversion price for each of at least 20 trading days during the 30 consecutive trading days ending on, and including, September 30, 2015.

(3) Prior to April 10, 2017, the notes will not be redeemable. On any business day on or after April 10, 2017 we may redeem for cash all or part of the notes, at our option, at a redemption rate equal to 100% of the principal amount of the notes being redeemed, plus any accrued and unpaid interest, if the closing sale price of our common stock exceeds 130% of the then prevailing conversion price of the notes for each of at least 20 of the 30 consecutive trading days preceding notice of the redemption.

(4) Convertible at any time prior to maturity at the holder's option, at an initial conversion rate, which is subject to adjustment, of 74.0741 shares per $1,000 principal amount, representing an initial conversion price of approximately $13.50 per share. If a holder elects to convert their debentures, deferred interest owed on the debentures being converted is also converted into shares of our common stock. The conversion rate for any deferred interest is based on the average price that our shares traded at during a 5-day period immediately prior to the election to convert. In lieu of issuing shares of common stock upon conversion of the debentures, we may, at our option, make a cash payment to converting holders for all or some of the shares of our common stock otherwise issuable upon conversion.

Interest payments made

Interest payments on our existing debt obligations appear below.

	Nine Months Ended September 30,
	2015		2014
	(In millions)
Senior Notes, interest at 5.375% per annum, due November 2015	$	1.7	$	1.7
Convertible Senior Notes, interest at 5% per annum, due May 2017	8.6		8.6
Convertible Senior Notes, interest at 2% per annum, due April 2020	5.0		5.0
Convertible Junior Subordinated Debentures, interest at 9% per annum, due April 2063	17.5		17.5
Total interest payments	$	32.8	$	32.8

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Premium Deficiency Reserve (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Premium Deficiency Reserve [Abstract]
Change in premium deficiency reserve	$ 6	$ 24	$ 19

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Investments, Gain (Loss) on Investments (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Gain (Loss) on Investments [Line Items]
Net realized investment gains (losses) on investments	$ 640	$ 632	$ 27,133	$ 923
Gross realized gains, gross realized losses and impairment losses [Abstract]
Gains on sales	720	1,161	28,711	3,273
Losses on sales	(80)	(529)	(1,578)	(2,350)
Net realized investment gains	640	632	27,133	923
Fixed maturities
Gain (Loss) on Investments [Line Items]
Net realized investment gains (losses) on investments	638	629	27,123	755
Gross realized gains, gross realized losses and impairment losses [Abstract]
Net realized investment gains	638	629	27,123	755
Equity securities
Gain (Loss) on Investments [Line Items]
Net realized investment gains (losses) on investments	2	3	10	168
Gross realized gains, gross realized losses and impairment losses [Abstract]
Net realized investment gains	$ 2	$ 3	$ 10	$ 168

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Reinsurance (Details) - USD ($)			3 Months Ended			9 Months Ended
		Jul. 01, 2015	Sep. 30, 2015		Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014	Dec. 31, 2014
Premiums Written and Earned [Abstract]
Ceded premiums written, net of profit commission			$ (43,897,000)		$ 32,536,000	$ 22,334,000	$ 87,450,000
Profit commission receivable			0			$ 0		$ 91,500,000
Period of existing captive reinsurance agreement						10 years
Reinsurance recoverable on loss reserves related to captive agreements			34,000,000			$ 34,000,000		45,000,000
Fair value of trust fund assets under captive agreements			159,000,000			159,000,000		$ 198,000,000
Quota Share Reinsurance Agreement, 2013
Premiums Written and Earned [Abstract]
Ceded premiums written, net of profit commission		$ 69,400,000	(69,410,000)	[1]	27,725,000	(11,355,000)	72,414,000
Ceded premiums earned, net of profit commission		11,600,000	(11,568,000)	[1]	23,736,000	35,999,000	64,330,000
Ceded losses incurred			0	[1]	4,689,000	6,060,000	10,347,000
Ceding commissions	[2]		(11,568,000)	[1]	9,922,000	10,235,000	27,800,000
Ceded unearned premiums			0	[1]	39,946,000	0	43,935,000
Profit commission		142,500,000	11,568,000	[1]	$ 21,887,000	62,525,000	$ 66,584,000
Quota Share Reinsurance Agreement, 2015
Premiums Written and Earned [Abstract]
Ceded premiums written, net of profit commission	[3]		22,626,000			22,626,000
Ceded premiums earned, net of profit commission	[3]		22,626,000			22,626,000
Ceded losses incurred			4,236,000			4,236,000
Ceding commissions	[4]		9,195,000			9,195,000
Profit commission			$ 23,347,000			$ 23,347,000
Contingent termination fee		$ 0
Threshold of total PMIERs requirements for termination election		90.00%
Quota share (as a percent)		30.00%
Ceding commission (as a percent)		20.00%
Loss ratio		60.00%

[1] The three and nine months ended September 30, 2015 include the non-recurring impact of commuting our 2013 QSR Transaction in the third quarter. The commutation had no impact on ceded losses incurred.

[2] Ceding commissions are reported within Other underwriting and operating expenses, net on the consolidated statements of operations.

[3] As of July 1, 2015 premiums are ceded on an earned and received basis as defined in our 2015 QSR Transaction.

[4] Ceding commissions are reported within Other underwriting and operating expenses, net on the consolidated statements of operations.

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Stock-Based Compensation (Details) - $ / shares shares in Thousands	9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014
Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period	1 year
Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period	3 years
RSUs subject to performance conditions
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in shares)	1,144	1,372
Weighted Average Share Fair Value (in dollars per share)	$ 9.04	$ 8.43
RSUs subject only to service conditions
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in shares)	410	409
Weighted Average Share Fair Value (in dollars per share)	$ 8.99	$ 8.43

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Income Taxes (Details) - USD ($)	3 Months Ended			9 Months Ended		12 Months Ended		21 Months Ended
	Dec. 31, 2015	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014	Dec. 31, 2014	Dec. 31, 2007	Sep. 30, 2015	Dec. 31, 2013
Valuation Allowance [Line Items]
Number of years used in the cumulative income position calculation				3 years
Change in valuation allowance		$ (739,298,000)	$ (24,781,000)	$ (822,465,000)	$ (63,229,000)
Valuation allowance		0		0		$ 902,300,000		$ 0
Operating income level that was exceeded				100,000,000
Cumulative income position		194,100,000		194,100,000				194,100,000
Net operating loss carryforwards, regular tax basis		2,100,000,000		2,100,000,000				2,100,000,000
Operating loss carryforward, average quarterly reduction				(120,400,000)		(52,200,000)
Provision for income tax		43,694,000	25,030,000	131,568,000	65,322,000
(Benefit from) provision for income taxes		(695,604,000)	249,000	(690,897,000)	2,093,000
Net operating loss carryforwards for computing the alternative minimum tax		1,200,000,000		1,200,000,000				1,200,000,000
Information regarding income tax examinations [Abstract]
Amount of IRS assessment for unpaid taxes and penalties related to REMIC issue		197,500,000		197,500,000				197,500,000
Estimate of federal interest that may be due		179,200,000		179,200,000				179,200,000
Amount of payment made related to the IRS assessment on the REMIC issue							$ 65,200,000
Amount of IRS assessment for unpaid taxes and penalties related to disallowance of carryback of 2009 net operating loss		261,400,000		261,400,000				261,400,000
Estimate of additional state income taxes and interest that may be due		48,400,000		48,400,000				48,400,000
Total amount of unrecognized tax benefits		106,900,000		106,900,000				106,900,000
Total amount of the unrecognized tax benefits that would affect our effective tax rate		93,700,000		93,700,000				93,700,000
Unrecognized tax benefits, accrued interest		27,600,000		27,600,000		$ 26,900,000		27,600,000
Internal Revenue Service (IRS)
Valuation Allowance [Line Items]
Net operating loss carryforwards, regular tax basis		2,100,000,000		$ 2,100,000,000				2,100,000,000	$ 2,600,000,000
Operating loss carryforwards, reduction in under two years								$ (500,000,000)
Operating loss carryforward, period over which carryforward will be utilized				7 years
Other Comprehensive Income (Loss)
Valuation Allowance [Line Items]
Change in valuation allowance		(70,000,000)	$ 6,600,000	$ (54,500,000)	$ (21,300,000)
Deferred Tax Asset, Changes In Current Period
Valuation Allowance [Line Items]
Change in valuation allowance				(143,400,000)
Deferred Tax Asset, Changes In Current Period | Other Comprehensive Income (Loss)
Valuation Allowance [Line Items]
Change in valuation allowance				6,300,000
Deferred Tax Asset, Changes In Current Period | Income Tax Expense (Benefit)
Valuation Allowance [Line Items]
Change in valuation allowance		(41,200,000)		$ (124,400,000)
Deferred Tax Asset, Changes In Current Period | Income Tax Expense (Benefit) | Scenario, Forecast
Valuation Allowance [Line Items]
Change in valuation allowance	$ (25,300,000)
Deferred Tax Asset, Changes In Future Periods
Valuation Allowance [Line Items]
Change in valuation allowance		(758,900,000)
Deferred Tax Asset, Changes In Future Periods | Other Comprehensive Income (Loss)
Valuation Allowance [Line Items]
Change in valuation allowance		(60,800,000)
Deferred Tax Asset, Changes In Future Periods | Income Tax Expense (Benefit)
Valuation Allowance [Line Items]
Change in valuation allowance		$ (698,100,000)

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New Accounting Pronouncements

9 Months Ended

Sep. 30, 2015

New Accounting Pronouncements and Changes in Accounting Principles [Abstract]

New Accounting Pronouncements

New Accounting Pronouncements

Revenue from Contracts with Customers

In May 2014, the Financial Accounting Standards Board ("FASB") issued guidance to clarify the principles for recognizing revenue. While insurance contracts are not within the scope of this updated guidance, our fee income related to contract underwriting and other fee-based services provided to lenders will be subject to this guidance. The updated guidance requires an entity to recognize revenue as performance obligations are met, in order to reflect the transfer of promised goods or services to customers in an amount that reflects the consideration the entity is entitled to receive for those goods or services. The guidance also requires additional disclosure about the nature, amount, timing, and uncertainty of revenue and cash flows arising from customer contracts. The guidance is effective for reporting periods beginning after December 15, 2017 with early adoption for reporting periods beginning after December 15, 2016 permitted. We are currently evaluating the impact of this update, but it is not expected to have a significant impact on our consolidated financial statements and disclosures.

Presentation of Debt Issuance Costs

In April 2015, the FASB amended existing guidance related to the presentation of debt issuance costs. The new standard requires the presentation of debt issuance costs in the balance sheet as a deduction from the carrying amount of the related debt liability instead of a deferred charge. It is effective for annual reporting periods beginning after December 15, 2015, but early adoption is permitted. The adoption of this guidance is not expected to have a significant impact on our consolidated financial statements.

Disclosures about Short-Duration Contracts

In May 2015, the FASB issued guidance requiring expanded disclosures for insurance entities that issue short-duration contracts. The expanded disclosures are designed to provide additional insight into an insurance entity's ability to underwrite and anticipate costs associated with claims. The disclosures include information about incurred and paid claims development by accident year, on a net of reinsurance basis, for the number of years claims incurred typically remain outstanding, not to exceed ten years. Each period presented in the disclosure about claims development that precedes the current reporting periods is considered supplementary information. The expanded disclosures also include more transparent information about significant changes in methodologies and assumptions used to estimate claims, and the timing, frequency, and severity of claims. The disclosures required by this update are effective for annual periods beginning after December 31, 2015, and interim periods within annual periods beginning after December 31, 2016, and is to be applied retrospectively. We are evaluating the impact, if any, of the new disclosure requirements.

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Fair Value Measurements (Details) - USD ($) $ in Thousands		Sep. 30, 2015		Dec. 31, 2014
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
U.S. Treasury securities and obligations of U.S. government corporations and agencies		$ 104,966		$ 346,775
Obligations of U.S. states and political subdivisions		1,612,521		855,142
Corporate debt securities		2,120,572		2,425,281
Asset-backed securities		132,537		286,655
Residential mortgage-backed securities		271,471		321,237
Commercial mortgage-backed securities		252,687		275,278
Collateralized loan obligations		60,286		60,076
Debt securities issued by foreign sovereign governments		33,291		39,170
Total debt securities		4,588,331		4,609,614
Equity securities	[1]	5,634		3,055
Total investment portfolio		4,593,965		4,612,669
Real estate acquired		10,084	[2]	12,658	[1]
Par Value
Debt [Abstract]
Senior Notes		61,953		61,953
Convertible Senior Notes due 2017		345,000		345,000
Convertible Senior Notes due 2020		500,000		500,000
Convertible Junior Subordinated Debentures		389,522		389,522
Total Debt		1,296,475		1,296,475
Total Fair Value
Debt [Abstract]
Senior Notes		62,027		63,618
Convertible Senior Notes due 2017		366,749		387,997
Convertible Senior Notes due 2020		719,375		735,075
Convertible Junior Subordinated Debentures		485,648		500,201
Total Debt		1,633,799		1,686,891
Quoted Prices in Active Markets for Identical Assets (Level 1)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
U.S. Treasury securities and obligations of U.S. government corporations and agencies		18,418		188,824
Obligations of U.S. states and political subdivisions		0		0
Corporate debt securities		0		0
Asset-backed securities		0		0
Residential mortgage-backed securities		0		0
Commercial mortgage-backed securities		0		0
Collateralized loan obligations		0		0
Debt securities issued by foreign sovereign governments		33,291		39,170
Total debt securities		51,709		227,994
Equity securities	[1]	2,778		2,734
Total investment portfolio		54,487		230,728
Real estate acquired		0	[2]	0	[1]
Debt [Abstract]
Senior Notes		0		0
Convertible Senior Notes due 2017		0		0
Convertible Senior Notes due 2020		0		0
Convertible Junior Subordinated Debentures		0		0
Total Debt		0		0
Significant Other Observable Inputs (Level 2)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
U.S. Treasury securities and obligations of U.S. government corporations and agencies		86,548		157,951
Obligations of U.S. states and political subdivisions		1,611,134		853,296
Corporate debt securities		2,120,572		2,425,281
Asset-backed securities		132,537		286,655
Residential mortgage-backed securities		271,471		321,237
Commercial mortgage-backed securities		252,687		275,278
Collateralized loan obligations		60,286		60,076
Debt securities issued by foreign sovereign governments		0		0
Total debt securities		4,535,235		4,379,774
Equity securities	[1]	0		0
Total investment portfolio		4,535,235		4,379,774
Real estate acquired		0	[2]	0	[1]
Debt [Abstract]
Senior Notes		62,027		63,618
Convertible Senior Notes due 2017		366,749		387,997
Convertible Senior Notes due 2020		719,375		735,075
Convertible Junior Subordinated Debentures		485,648		500,201
Total Debt		1,633,799		1,686,891
Significant Unobservable Inputs (Level 3)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
U.S. Treasury securities and obligations of U.S. government corporations and agencies		0		0
Obligations of U.S. states and political subdivisions		1,387		1,846
Corporate debt securities		0		0
Asset-backed securities		0		0
Residential mortgage-backed securities		0		0
Commercial mortgage-backed securities		0		0
Collateralized loan obligations		0		0
Debt securities issued by foreign sovereign governments		0		0
Total debt securities		1,387		1,846
Equity securities	[1]	2,856		321
Total investment portfolio		4,243		2,167
Real estate acquired		10,084	[2]	12,658	[1]
Debt [Abstract]
Senior Notes		0		0
Convertible Senior Notes due 2017		0		0
Convertible Senior Notes due 2020		0		0
Convertible Junior Subordinated Debentures		0		0
Total Debt		$ 0		$ 0

[1] Equity securities in Level 3 are carried at cost, which approximates fair value.

[2] Real estate acquired through claim settlement, which is held for sale, is reported in Other assets on the consolidated balance sheets.

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Fair Value Measurements (Tables)

9 Months Ended

Sep. 30, 2015

Fair Value Disclosures [Abstract]

Fair value measurements for items measured at fair value

Fair value measurements for assets measured at fair value included the following as of September 30, 2015 and December 31, 2014:

September 30, 2015	Total Fair Value		Quoted Prices  in Active  Markets for  Identical Assets  (Level 1)		Significant  Other  Observable  Inputs  (Level 2)		Significant  Unobservable Inputs  (Level 3)
	(In thousands)
U.S. Treasury securities and obligations of U.S. government corporations and  agencies	$	104,966	$	18,418	$	86,548	$	—
Obligations of U.S. states and political subdivisions	1,612,521		—		1,611,134		1,387
Corporate debt securities	2,120,572		—		2,120,572		—
Asset-backed securities	132,537		—		132,537		—
Residential mortgage-backed securities	271,471		—		271,471		—
Commercial mortgage-backed securities	252,687		—		252,687		—
Collateralized loan obligations	60,286		—		60,286		—
Debt securities issued by foreign sovereign governments	33,291		33,291		—		—
Total debt securities	4,588,331		51,709		4,535,235		1,387
Equity securities (1)	5,634		2,778		—		2,856
Total investment portfolio	$	4,593,965	$	54,487	$	4,535,235	$	4,243
Real estate acquired (2)	$	10,084	$	—	$	—	$	10,084

December 31, 2014	Total Fair Value		Quoted Prices in Active Markets for Identical Assets  (Level 1)		Significant Other Observable Inputs  (Level 2)		Significant Unobservable Inputs  (Level 3)
	(In thousands)
U.S. Treasury securities and obligations  of U.S. government corporations and   agencies	$	346,775	$	188,824	$	157,951	$	—
Obligations of U.S. states and political  subdivisions	855,142		—		853,296		1,846
Corporate debt securities	2,425,281		—		2,425,281		—
Asset-backed securities	286,655		—		286,655		—
Residential mortgage-backed securities	321,237		—		321,237		—
Commercial mortgage-backed securities	275,278		—		275,278		—
Collateralized loan obligations	60,076		—		60,076		—
Debt securities issued by foreign  sovereign governments	39,170		39,170		—		—
Total debt securities	4,609,614		227,994		4,379,774		1,846
Equity securities (1)	3,055		2,734		—		321
Total investment portfolio	$	4,612,669	$	230,728	$	4,379,774	$	2,167
Real estate acquired (2)	$	12,658	$	—	$	—	$	12,658

(1) Equity securities in Level 3 are carried at cost, which approximates fair value.

(2) Real estate acquired through claim settlement, which is held for sale, is reported in Other assets on the consolidated balance sheets.

Reconciliation of beginning and ending balance for assets and liabilities measured at fair value with significant unobservable inputs (level 3)

For assets measured at fair value using significant unobservable inputs (Level 3), a reconciliation of the beginning and ending balances for the three and nine months ended September 30, 2015 and 2014 is as follows:

	Debt  Securities			Equity  Securities		Total Investments			Real Estate  Acquired
	(In thousands)
Balance at June 30, 2015	$	1,634		$	321	$	1,955		$	7,995
Total realized/unrealized gains (losses):
Included in earnings and reported as losses incurred, net	—			—		—			(1,031		)
Purchases	—			2,535		2,535			9,632
Sales	(247		)	—		(247		)	(6,512		)
Transfers into Level 3	—			—		—			—
Transfers out of Level 3	—			—		—			—
Balance at September 30, 2015	$	1,387		$	2,856	$	4,243		$	10,084
Amount of total losses included in earnings for the three months ended September 30, 2015 attributable to the change in  unrealized losses on assets still held at September 30, 2015	$	—		$	—	$	—		$	—

	Debt  Securities			Equity  Securities		Total Investments			Real Estate Acquired
	(In thousands)
Balance at December 31, 2014	$	1,846		$	321	$	2,167		$	12,658
Total realized/unrealized gains (losses):
Included in earnings and reported as losses incurred, net	—			—		—			(1,503		)
Purchases	7			2,535		2,542			26,346
Sales	(466		)	—		(466		)	(27,417		)
Transfers into Level 3	—			—		—			—
Transfers out of Level 3	—			—		—			—
Balance at September 30, 2015	$	1,387		$	2,856	$	4,243		$	10,084
Amount of total losses included in earnings for the nine months ended September 30, 2015 attributable to the change in unrealized losses on assets still held at September 30, 2015	$	—		$	—	$	—		$	—

	Debt  Securities			Equity Securities		Total Investments			Real Estate Acquired
	(In thousands)
Balance at June 30, 2014	$	2,231		$	321	$	2,552		$	10,804
Total realized/unrealized gains (losses):
Included in earnings and reported as losses incurred, net	—			—		—			(2,062		)
Purchases	—			—		—			14,107
Sales	(237		)	—		(237		)	(6,284		)
Transfers into Level 3	—			—		—			—
Transfers out of Level 3	—			—		—			—
Balance at September 30, 2014	$	1,994		$	321	$	2,315		$	16,565
Amount of total losses included in earnings for the three months ended September 30, 2014 attributable to the change in  unrealized losses on assets still held at September 30, 2014	$	—		$	—	$	—		$	—

	Debt  Securities			Equity Securities		Total Investments			Real Estate Acquired
	(In thousands)
Balance at December 31, 2013	$	2,423		$	321	$	2,744		$	13,280
Total realized/unrealized gains (losses):
Included in earnings and reported as losses incurred, net	—			—		—			(4,378		)
Purchases	30			—		30			33,484
Sales	(459		)	—		(459		)	(25,821		)
Transfers into Level 3	—			—		—			—
Transfers out of Level 3	—			—		—			—
Balance at September 30, 2014	$	1,994		$	321	$	2,315		$	16,565
Amount of total losses included in earnings for the nine months ended September 30, 2014 attributable to the change in unrealized losses on assets still held at September 30, 2014	$	—		$	—	$	—		$	—

Par value and fair value of debt

The following tables present the carrying value and fair value of our financial liabilities disclosed, but not carried, at fair value at September 30, 2015 and December 31, 2014, and the level within the fair value hierarchy at which such liabilities are measured on a recurring basis.

September 30, 2015	Par  Value		Total Fair Value		Quoted Prices in Active Markets for Identical Assets  (Level 1)		Significant Other Observable Inputs  (Level 2)		Significant Unobservable Inputs  (Level 3)
	(In thousands)
Financial liabilities:
Senior Notes	$	61,953	$	62,027	$	—	$	62,027	$	—
Convertible Senior Notes due 2017	345,000		366,749		—		366,749		—
Convertible Senior Notes due 2020	500,000		719,375		—		719,375		—
Convertible Junior Subordinated Debentures	389,522		485,648		—		485,648		—
Total Debt	$	1,296,475	$	1,633,799	$	—	$	1,633,799	$	—

December 31, 2014	Par  Value		Total Fair Value		Quoted Prices in Active Markets for Identical Assets  (Level 1)		Significant Other Observable  Inputs  (Level 2)		Significant Unobservable  Inputs  (Level 3)
	(In thousands)
Financial liabilities:
Senior Notes	$	61,953	$	63,618	$	—	$	63,618	$	—
Convertible Senior Notes due 2017	345,000		387,997		—		387,997		—
Convertible Senior Notes due 2020	500,000		735,075		—		735,075		—
Convertible Junior Subordinated Debentures	389,522		500,201		—		500,201		—
Total Debt	$	1,296,475	$	1,686,891	$	—	$	1,686,891	$	—

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Investments (Tables)

9 Months Ended

Sep. 30, 2015

Investments [Abstract]

Amortized cost, gross unrealized gains and losses and fair value of investments portfolio

The amortized cost, gross unrealized gains and losses and fair value of the investment portfolio at September 30, 2015 and December 31, 2014 are shown below.

September 30, 2015	Amortized Cost		Gross  Unrealized Gains		Gross Unrealized Losses (1)			Fair Value
	(In thousands)
U.S. Treasury securities and obligations of U.S. government corporations and agencies	$	104,419	$	2,287	$	(1,740	)	$	104,966
Obligations of U.S. states and political subdivisions	1,595,458		24,306		(7,243		)	1,612,521
Corporate debt securities	2,142,500		7,722		(29,650		)	2,120,572
Asset-backed securities	132,271		346		(80		)	132,537
Residential mortgage-backed securities	278,737		275		(7,541		)	271,471
Commercial mortgage-backed securities	253,143		1,048		(1,504		)	252,687
Collateralized loan obligations	61,342		—		(1,056		)	60,286
Debt securities issued by foreign sovereign governments	30,477		2,876		(62		)	33,291
Total debt securities	4,598,347		38,860		(48,876		)	4,588,331
Equity securities	5,595		52		(13		)	5,634
Total investment portfolio	$	4,603,942	$	38,912	$	(48,889	)	$	4,593,965

December 31, 2014	Amortized  Cost		Gross  Unrealized  Gains		Gross Unrealized  Losses (1)			Fair Value
	(In thousands)
U.S. Treasury securities and obligations of U.S. government corporations and agencies	$	349,153	$	2,752	$	(5,130	)	$	346,775
Obligations of U.S. states and political subdivisions	844,942		12,961		(2,761		)	855,142
Corporate debt securities	2,418,991		16,325		(10,035		)	2,425,281
Asset-backed securities	286,260		535		(140		)	286,655
Residential mortgage-backed securities	329,983		254		(9,000		)	321,237
Commercial mortgage-backed securities	276,215		1,221		(2,158		)	275,278
Collateralized loan obligations	61,340		—		(1,264		)	60,076
Debt securities issued by foreign sovereign governments	35,630		3,540		—			39,170
Total debt securities	4,602,514		37,588		(30,488		)	4,609,614
Equity securities	3,003		61		(9		)	3,055
Total investment portfolio	$	4,605,517	$	37,649	$	(30,497	)	$	4,612,669

(1) At September 30, 2015 and December 31, 2014, there were no other-than-temporary impairment losses recorded in other comprehensive income.

Amortized cost and fair values of debt securities by contractual maturity

The amortized cost and fair values of debt securities at September 30, 2015, by contractual maturity, are shown below. Expected maturities will differ from contractual maturities because borrowers may have the right to call or prepay obligations with or without call or prepayment penalties. Because most asset-backed and mortgage-backed securities and collateralized loan obligations provide for periodic payments throughout their lives, they are listed below in separate categories.

September 30, 2015	Amortized Cost		Fair Value
	(In thousands)
Due in one year or less	$	191,371	$	192,007
Due after one year through five years	1,611,819		1,622,178
Due after five years through ten years	1,130,625		1,113,217
Due after ten years	939,039		943,948
	$	3,872,854	$	3,871,350
Asset-backed securities	132,271		132,537
Residential mortgage-backed securities	278,737		271,471
Commercial mortgage-backed securities	253,143		252,687
Collateralized loan obligations	61,342		60,286
Total at September 30, 2015	$	4,598,347	$	4,588,331

Aging of the fair values of securities in an unrealized loss position

For those securities in an unrealized loss position, the length of time the securities were in such a position, as measured by their month-end fair values, is as follows:

	Less Than 12 Months				12 Months or Greater				Total
September 30, 2015	Fair Value		Unrealized Losses		Fair Value		Unrealized Losses		Fair Value		Unrealized Losses
	(In thousands)
U.S. Treasury securities and obligations of U.S. government corporations and agencies	$	25,781	$	295	$	15,534	$	1,445	$	41,315	$	1,740
Obligations of U.S. states and political   subdivisions	231,647		6,626		43,865		617		275,512		7,243
Corporate debt securities	1,045,477		27,190		140,995		2,460		1,186,472		29,650
Asset-backed securities	36,920		64		5,567		16		42,487		80
Residential mortgage-backed securities	39,870		414		201,435		7,127		241,305		7,541
Commercial mortgage-backed securities	74,403		698		79,411		806		153,814		1,504
Collateralized loan obligations	—		—		60,286		1,056		60,286		1,056
Foreign government securities	2,177		62		—		—		2,177		62
Equity securities	319		4		173		9		492		13
Total	$	1,456,594	$	35,353	$	547,266	$	13,536	$	2,003,860	$	48,889

	Less Than 12 Months				12 Months or Greater				Total
December 31, 2014	Fair Value		Unrealized  Losses		Fair Value		Unrealized Losses		Fair Value		Unrealized  Losses
	(In thousands)
U.S. Treasury securities and obligations of U.S. government corporations and agencies	$	58,166	$	138	$	232,351	$	4,992	$	290,517	$	5,130
Obligations of U.S. states and political   subdivisions	166,408		1,066		114,465		1,695		280,873		2,761
Corporate debt securities	816,555		5,259		243,208		4,776		1,059,763		10,035
Asset-backed securities	54,491		80		11,895		60		66,386		140
Residential mortgage-backed securities	24,168		34		263,002		8,966		287,170		9,000
Commercial mortgage-backed securities	89,301		810		110,652		1,348		199,953		2,158
Collateralized loan obligations	—		—		60,076		1,264		60,076		1,264
Equity securities	167		1		235		8		402		9
Total	$	1,209,256	$	7,388	$	1,035,884	$	23,109	$	2,245,140	$	30,497

Net realized investment gains (losses) and OTTI on investments

The net realized investment gains (losses) on the investment portfolio are as follows:

	Three Months Ended September 30,				Nine Months Ended September 30,
	2015		2014		2015		2014
	(In thousands)
Realized investment gains (losses) on investments:
Fixed maturities	$	638	$	629	$	27,123	$	755
Equity securities	2		3		10		168
Net realized investment gains	$	640	$	632	$	27,133	$	923

	Three Months Ended September 30,						Nine Months Ended September 30,
	2015			2014			2015			2014
	(In thousands)
Realized investment gains (losses) on investments:
Gains on sales	$	720		$	1,161		$	28,711		$	3,273
Losses on sales	(80		)	(529		)	(1,578		)	(2,350		)
Net realized investment gains	$	640		$	632		$	27,133		$	923

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Fair Value Measurements, Unobservable Input Reconciliation (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Total realized/unrealized gains (losses) [Abstract]
State premium tax credit investments, average maturity			3 years
Annual average discount rate (in hundredths)					7.20%
Debt Securities
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Balance at beginning of period	$ 1,634	$ 2,231	$ 1,846	$ 2,423
Total realized/unrealized gains (losses) [Abstract]
Included in earnings and reported as losses incurred, net	0	0	0	0
Purchases	0	0	7	30
Sales	(247)	(237)	(466)	(459)
Transfers into Level 3	0	0	0	0
Transfers out of Level 3	0	0	0	0
Balance at end of period	1,634	2,231	1,846	2,423	$ 1,387	$ 1,994
Amount of total losses included in earnings attributable to the change in unrealized losses on assets still held	0	0	0	0
Equity securities
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Balance at beginning of period	321	321	321	321
Total realized/unrealized gains (losses) [Abstract]
Included in earnings and reported as losses incurred, net	0	0	0	0
Purchases	2,535	0	2,535	0
Sales	0	0	0	0
Transfers into Level 3	0	0	0	0
Transfers out of Level 3	0	0	0	0
Balance at end of period	321	321	321	321	2,856	321
Amount of total losses included in earnings attributable to the change in unrealized losses on assets still held	0	0	0	0
Total Investments
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Balance at beginning of period	1,955	2,552	2,167	2,744
Total realized/unrealized gains (losses) [Abstract]
Included in earnings and reported as losses incurred, net	0	0	0	0
Purchases	2,535	0	2,542	30
Sales	(247)	(237)	(466)	(459)
Transfers into Level 3	0	0	0	0
Transfers out of Level 3	0	0	0	0
Balance at end of period	1,955	2,552	2,167	2,744	4,243	2,315
Amount of total losses included in earnings attributable to the change in unrealized losses on assets still held	0	0	0	0
Real Estate Acquired
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Balance at beginning of period	7,995	10,804	12,658	13,280
Total realized/unrealized gains (losses) [Abstract]
Included in earnings and reported as losses incurred, net	(1,031)	(2,062)	(1,503)	(4,378)
Purchases	9,632	14,107	26,346	33,484
Sales	(6,512)	(6,284)	(27,417)	(25,821)
Transfers into Level 3	0	0	0	0
Transfers out of Level 3	0	0	0	0
Balance at end of period	7,995	10,804	12,658	13,280	$ 10,084	$ 16,565
Amount of total losses included in earnings attributable to the change in unrealized losses on assets still held	$ 0	$ 0	$ 0	$ 0

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Other Comprehensive Income (Tables)

9 Months Ended

Sep. 30, 2015

Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract]

Other comprehensive income

The pretax components of our other comprehensive income (loss) and the related income tax (expense) benefit for the three and nine months ended September 30, 2015 and 2014 are included in the tables below.

	Three Months Ended September 30,
	2015			2014
	(In thousands)
Net unrealized holding gains (losses) arising during the period	$	27,271		$	(17,377	)
Income tax (expense) benefit	(9,531		)	6,069
Valuation allowance (1)	77,555			(5,993		)
Net of taxes	95,295			(17,301		)
Net changes in benefit plan assets and obligations	(546		)	(1,732		)
Income tax benefit	192			606
Valuation allowance (1)	(7,001		)	(606		)
Net of taxes	(7,355		)	(1,732		)
Net changes in unrealized foreign currency translation adjustment	(3,724		)	(3,835		)
Income tax benefit	1,306			1,345
Valuation allowance (1)	(529		)	—
Net of taxes	(2,947		)	(2,490		)
Total other comprehensive income (loss)	23,001			(22,944		)
Total income tax benefit, net of valuation allowance	61,992			1,421
Total other comprehensive income (loss), net of tax	$	84,993		$	(21,523	)

	Nine Months Ended September 30,
	2015			2014
	(In thousands)
Net unrealized holding (losses) gains arising during the period	$	(17,126	)	$	67,102
Income tax benefit (expense)	5,955			(23,436		)
Valuation allowance (1)	62,383			23,132
Net of taxes	51,212			66,798
Net changes in benefit plan assets and obligations	(1,638		)	(5,198		)
Income tax benefit	574			1,819
Valuation allowance (1)	(7,383		)	(1,819		)
Net of taxes	(8,447		)	(5,198		)
Net changes in unrealized foreign currency translation adjustment	(6,228		)	(1,000		)
Income tax benefit	2,186			350
Valuation allowance (1)	(529		)	—
Net of taxes	(4,571		)	(650		)
Total other comprehensive (loss) income	(24,992		)	60,904
Total income tax benefit, net of valuation allowance	63,186			46
Total other comprehensive income, net of tax	$	38,194		$	60,950

(1) See Note 11 – “Income Taxes” for a discussion of the valuation allowance recorded against deferred tax assets.

Reclassification out of accumulated other comprehensive income

The pretax and related income tax (expense) benefit components of the amounts reclassified from our accumulated other comprehensive loss to our consolidated statements of operations for the three and nine months ended September 30, 2015 and 2014 are included in the tables below.

	Three Months Ended September 30,
	2015			2014
	(In thousands)
Reclassification adjustment for net realized gains (losses) included in net income	$	(1,120	)	$	(840	)
Income tax benefit	395			299
Valuation allowance	(413		)	(330		)
Net of taxes	(1,138		)	(871		)
Reclassification adjustment related to benefit plan assets and obligations	546			1,732
Income tax expense	(192		)	(606		)
Valuation allowance	192			606
Net of taxes	546			1,732
Total reclassifications	(574		)	892
Total income tax expense, net of valuation allowance	(18		)	(31		)
Total reclassifications, net of tax	$	(592	)	$	861

	Nine Months Ended September 30,
	2015			2014
	(In thousands)
Reclassification adjustment for net realized gains (losses) included in net income (1)	$	10,591		$	(5,725	)
Income tax (expense) benefit	(3,697		)	2,014
Valuation allowance	3,635			(2,075		)
Net of taxes	10,529			(5,786		)
Reclassification adjustment related to benefit plan assets and obligations	1,638			5,198
Income tax expense	(574		)	(1,819		)
Valuation allowance	574			1,819
Net of taxes	1,638			5,198
Total reclassifications	12,229			(527		)
Total income tax expense, net of valuation allowance	(62		)	(61		)
Total reclassifications, net of tax	$	12,167		$	(588	)

(1) The reclassification adjustment for the nine months ended September 30, 2014 has been recast to conform to the 2015 method for determining amounts included in net income. This revision had no impact to our consolidated financial statements and is not material to amounts disclosed by us in prior periods.

Accumulated other comprehensive income (loss)

Changes in our accumulated other comprehensive loss (“AOCL”), including amounts reclassified from other comprehensive income (loss), for the nine months ended September 30, 2015 are included in the table below.

	Nine Months Ended September 30, 2015
	Unrealized gains and losses on available-for- sale securities				Defined benefit plans				Foreign currency translation			Total accumulated other comprehensive loss
	(In thousands)
Balance at December 31, 2014, net of tax	$	(57,551	)		$	(28,938	)		$	5,148		$	(81,341	)
Other comprehensive income (loss) before reclassifications	61,741				(6,809		)		(4,571		)	50,361
Less: Amounts reclassified from AOCL	10,529			(1)	1,638			(2)	—			12,167
Balance at September 30, 2015, net of tax	$	(6,339	)		$	(37,385	)		$	577		$	(43,147	)

(1) Increases Net realized investment gains on the consolidated statements of operations.

(2) Decreases Other underwriting and operating expenses, net on the consolidated statements of operations.

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Benefit Plans (Tables)

9 Months Ended

Sep. 30, 2015

Compensation and Retirement Disclosure [Abstract]

Components of net periodic benefit cost

The following table provides the components of net periodic benefit cost for the pension, supplemental executive retirement and other postretirement benefit plans:

	Three Months Ended September 30,
	Pension and Supplemental Executive Retirement Plans						Other Postretirement Benefits
	2015			2014			2015			2014
	(In thousands)
Service cost	$	2,564		$	2,142		$	208		$	165
Interest cost	3,962			3,997			174			164
Expected return on plan assets	(5,278		)	(5,258		)	(1,248		)	(1,162		)
Recognized net actuarial loss (gain)	1,372			271			(44		)	(109		)
Amortization of prior service cost	(211		)	(233		)	(1,661		)	(1,663		)
Net periodic benefit cost (benefit)	$	2,409		$	919		$	(2,571	)	$	(2,605	)

	Nine Months Ended September 30,
	Pension and Supplemental Executive Retirement Plans						Other Postretirement Benefits
	2015			2014			2015			2014
	(In thousands)
Service cost	$	7,692		$	6,425		$	624		$	494
Interest cost	11,886			11,991			523			491
Expected return on plan assets	(15,832		)	(15,773		)	(3,743		)	(3,486		)
Recognized net actuarial loss (gain)	4,114			812			(132		)	(326		)
Amortization of prior service cost	(633		)	(698		)	(4,986		)	(4,988		)
Net periodic benefit cost (benefit)	$	7,227		$	2,757		$	(7,714	)	$	(7,815	)

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Nature of Business and Basis of Presentation

9 Months Ended

Sep. 30, 2015

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Nature of Business and Basis of Presentation

Nature of Business and Basis of Presentation

MGIC Investment Corporation is a holding company which, through Mortgage Guaranty Insurance Corporation ("MGIC"), MGIC Indemnity Corporation (“MIC”) and several other subsidiaries, is principally engaged in the mortgage insurance business.  We provide mortgage insurance to lenders throughout the United States and to government sponsored entities to protect against loss from defaults on low down payment residential mortgage loans.

The accompanying unaudited consolidated financial statements of MGIC Investment Corporation and its wholly-owned subsidiaries have been prepared in accordance with the instructions to Form 10-Q as prescribed by the Securities and Exchange Commission (“SEC”) for interim reporting and do not include all of the other information and disclosures required by accounting principles generally accepted in the United States of America (“GAAP”). These statements should be read in conjunction with the consolidated financial statements and notes thereto for the year ended December 31, 2014 included in our Annual Report on Form 10-K. As used below, “we,” “our” and “us” refer to MGIC Investment Corporation’s consolidated operations or to MGIC Investment Corporation, as the context requires.

In the opinion of management the accompanying financial statements include all adjustments, consisting primarily of normal recurring accruals, necessary to fairly state our financial position and results of operations for the periods indicated. The results of operations for the interim period may not be indicative of the results that may be expected for the year ending December 31, 2015.

Capital - GSEs

Since 2008, substantially all of our insurance written has been for loans sold to Fannie Mae and Freddie Mac (the “GSEs”). In April 2015, the GSEs each released revised private mortgage insurer eligibility requirements (the “PMIERs”) that become effective December 31, 2015. The PMIERs include revised financial requirements for mortgage insurers under which a mortgage insurer’s “Available Assets” (generally only the most liquid assets of an insurer) must meet or exceed “Minimum Required Assets” (which are based on an insurer’s book and are calculated from tables of factors with several risk dimensions and are subject to a floor amount).

Based on our interpretation of the PMIERs, we expect that MGIC will be in compliance with the PMIERs when they become effective. This expectation reflects, among other things, that the GSEs have allowed full credit under the PMIERs for the risk ceded under our restructured quota share reinsurance transaction. In the third quarter of 2015, the restructured transaction became effective after being approved by each of the GSEs and the Office of the Commissioner of Insurance of the State of Wisconsin (“OCI”). The GSEs’ ongoing approval of the transaction is subject to several conditions and the transaction will be reviewed under the PMIERs at least annually by the GSEs.

We expect to increase our Available Assets in the future by repatriating to MGIC certain assets of MGIC's MIC subsidiary. If additional Available Assets are required in the future, we believe that a portion of our holding company’s cash and investments may be available for future contribution to MGIC.

Factors that may negatively impact MGIC’s ability to comply with the PMIERs after their effective date include the following:

• The GSEs may reduce the amount of credit they allow under the PMIERs for the risk ceded under our quota share reinsurance transaction.

• We may not obtain regulatory authorization to repatriate assets from MIC to MGIC to the extent we are assuming because regulators project higher losses than we project or require a level of capital be maintained in MIC higher than we are assuming.

• MGIC may not receive additional capital contributions from our holding company due to competing demands on the holding company resources, including for repayment of debt.

• Our future operating results may be negatively impacted by the matters discussed in the rest of these footnotes. Such matters could decrease our revenues, increase our losses or require the use of assets, thereby creating a shortfall in Available Assets.

There can be no assurance that the GSEs will not make the PMIERs more onerous in the future; in this regard, the PMIERs provide that the tables of factors that determine Minimum Required Assets will be updated every two years and may be updated more frequently to reflect changes in macroeconomic conditions or loan performance. The GSEs will provide notice 180 days prior to the effective date of table updates. In addition, the GSEs may amend the PMIERs at any time. If MGIC ceases to be eligible to insure loans purchased by one or both of the GSEs, it would significantly reduce the volume of our new business writings.

While on an overall basis, the amount of Available Assets we must hold in order to continue to insure GSE loans has increased under the PMIERs over what state regulation currently provides, our reinsurance transaction mitigates the negative effect of the PMIERs on our returns. In this regard, see the first bullet point above.

See additional disclosure regarding statutory capital in Note 16 – “Statutory Capital.”

Reclassifications

Certain reclassifications have been made in the accompanying financial statements to 2014 amounts to conform to 2015 presentation. For the nine months ended September 30, 2014 cash used for additions to property and equipment was previously presented as “Other” within cash flows from operating activities and is presented separately as “Additions to property and equipment” within cash flows from investing activities as of September 30, 2015. This revision is not material to amounts reported or disclosed by us in prior periods.

Restricted cash and cash equivalents

During the second quarter of 2013, approximately $60.3 million was placed in escrow in connection with the two agreements we entered into to resolve our dispute with Countrywide Home Loans, Inc. (“CHL”) and its affiliate, Bank of America, N.A., as successor to Countrywide Home Loans Servicing LP (“BANA” and collectively with CHL, “Countrywide”) regarding rescissions. In the fourth quarter of 2013, approximately $42.9 million was released from escrow in connection with the BANA agreement. In the first quarter of 2015, the remaining escrow funds were disbursed to us pursuant to the amended and restated settlement agreement and release entered into with CHL on March 2, 2015.  See additional discussion of these settlement agreements in Note 5 – “Litigation and Contingencies.”

Subsequent events

We have considered subsequent events through the date of this filing. As discussed in Note 3 – "Debt" we have repaid our Senior Notes that matured on November 1, 2015 in the amount of $61.9 million.

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Income Taxes (Tables)

9 Months Ended

Sep. 30, 2015

Income Tax Disclosure [Abstract]

Schedule of valuation allowance

The following table provides a roll forward of our deferred tax asset valuation allowance for the nine months ended September 30, 2015.

	For the nine months ended September 30, 2015 and period then ended
	(In millions)
Beginning Balance December 31, 2014	$	902.3
Reduction in tax provision for the nine months ended September 30, 2015	(124.4		)
Reduction in tax provision allocated to the three months ended December 31, 2015	(25.3		)
Amounts recorded in other comprehensive income for the nine months ended September 30, 2015	6.3
Change in valuation allowance for deferred tax assets in the current year	(143.4		)
Amounts related to the release of the deferred tax asset valuation allowance recorded in the three months ending September 30, 2015
Reduction in tax provision for amounts to be realized in future years	(698.1		)
Amounts recorded in other comprehensive income to be realized in future years	(60.8		)
Change in valuation allowance for deferred tax assets realizable in future years	(758.9		)
Ending Balance September 30, 2015	$	—

Tax provision (benefit)

The effect of the change in valuation allowance on the provision for income taxes was as follows:

	Three months ended September 30,						Nine months ended September 30,
	2015			2014			2015			2014
	(In thousands)
Provision for income tax	$	43,694		$	25,030		$	131,568		$	65,322
Change in valuation allowance	(739,298		)	(24,781		)	(822,465		)	(63,229		)
(Benefit from) provision for income taxes	$	(695,604	)	$	249		$	(690,897	)	$	2,093

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Investments (Details) $ in Thousands		Sep. 30, 2015 USD ($) security	Dec. 31, 2014 USD ($) security
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost		$ 4,603,942	$ 4,605,517
Gross Unrealized Gains		38,912	37,649
Gross Unrealized Losses	[1]	(48,889)	(30,497)
Fair Value		$ 4,593,965	4,612,669
Percentage of foreign investments held in government and semi-government securities (in hundredths)		86.00%
Percentage of foreign investments held in corporate securities (in hundredths)		10.00%
Percentage of foreign investments held in cash equivalents (in hundredths)		4.00%
Percentage of Australian portfolio rated AAA (in hundredths)		87.00%
Percentage of Australian portfolio rated AA (in hundredths)		13.00%
Gross unrealized (gains) losses		$ 48,900	30,500
Continuous Unrealized Loss Portion, Fair Value [Abstract]
Less than 12 months		1,456,594	1,209,256
12 months or greater		547,266	1,035,884
Total investment portfolio		2,003,860	2,245,140
Continuous Unrealized Loss Portion, Unrealized Loses [Abstract]
Less than 12 months		35,353	7,388
12 months or greater		13,536	23,109
Total investment portfolio		$ 48,889	$ 30,497
Number of securities in unrealized loss position | security		369	423
U.S. Treasury securities and obligations of U.S. government corporations and agencies
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost		$ 104,419	$ 349,153
Gross Unrealized Gains		2,287	2,752
Gross Unrealized Losses	[1]	(1,740)	(5,130)
Fair Value		104,966	346,775
Continuous Unrealized Loss Portion, Fair Value [Abstract]
Less than 12 months		25,781	58,166
12 months or greater		15,534	232,351
Total investment portfolio		41,315	290,517
Continuous Unrealized Loss Portion, Unrealized Loses [Abstract]
Less than 12 months		295	138
12 months or greater		1,445	4,992
Total investment portfolio		1,740	5,130
Obligations of U.S. states and political subdivisions
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost		1,595,458	844,942
Gross Unrealized Gains		24,306	12,961
Gross Unrealized Losses	[1]	(7,243)	(2,761)
Fair Value		1,612,521	855,142
Continuous Unrealized Loss Portion, Fair Value [Abstract]
Less than 12 months		231,647	166,408
12 months or greater		43,865	114,465
Total investment portfolio		275,512	280,873
Continuous Unrealized Loss Portion, Unrealized Loses [Abstract]
Less than 12 months		6,626	1,066
12 months or greater		617	1,695
Total investment portfolio		7,243	2,761
Corporate debt securities
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost		2,142,500	2,418,991
Gross Unrealized Gains		7,722	16,325
Gross Unrealized Losses	[1]	(29,650)	(10,035)
Fair Value		2,120,572	2,425,281
Continuous Unrealized Loss Portion, Fair Value [Abstract]
Less than 12 months		1,045,477	816,555
12 months or greater		140,995	243,208
Total investment portfolio		1,186,472	1,059,763
Continuous Unrealized Loss Portion, Unrealized Loses [Abstract]
Less than 12 months		27,190	5,259
12 months or greater		2,460	4,776
Total investment portfolio		29,650	10,035
Asset-backed securities
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost		132,271	286,260
Gross Unrealized Gains		346	535
Gross Unrealized Losses	[1]	(80)	(140)
Fair Value		132,537	286,655
Continuous Unrealized Loss Portion, Fair Value [Abstract]
Less than 12 months		36,920	54,491
12 months or greater		5,567	11,895
Total investment portfolio		42,487	66,386
Continuous Unrealized Loss Portion, Unrealized Loses [Abstract]
Less than 12 months		64	80
12 months or greater		16	60
Total investment portfolio		80	140
Residential mortgage-backed securities
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost		278,737	329,983
Gross Unrealized Gains		275	254
Gross Unrealized Losses	[1]	(7,541)	(9,000)
Fair Value		271,471	321,237
Continuous Unrealized Loss Portion, Fair Value [Abstract]
Less than 12 months		39,870	24,168
12 months or greater		201,435	263,002
Total investment portfolio		241,305	287,170
Continuous Unrealized Loss Portion, Unrealized Loses [Abstract]
Less than 12 months		414	34
12 months or greater		7,127	8,966
Total investment portfolio		7,541	9,000
Commercial mortgage-backed securities
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost		253,143	276,215
Gross Unrealized Gains		1,048	1,221
Gross Unrealized Losses	[1]	(1,504)	(2,158)
Fair Value		252,687	275,278
Continuous Unrealized Loss Portion, Fair Value [Abstract]
Less than 12 months		74,403	89,301
12 months or greater		79,411	110,652
Total investment portfolio		153,814	199,953
Continuous Unrealized Loss Portion, Unrealized Loses [Abstract]
Less than 12 months		698	810
12 months or greater		806	1,348
Total investment portfolio		1,504	2,158
Collateralized loan obligations
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost		61,342	61,340
Gross Unrealized Gains		0	0
Gross Unrealized Losses	[1]	(1,056)	(1,264)
Fair Value		60,286	60,076
Continuous Unrealized Loss Portion, Fair Value [Abstract]
Less than 12 months		0	0
12 months or greater		60,286	60,076
Total investment portfolio		60,286	60,076
Continuous Unrealized Loss Portion, Unrealized Loses [Abstract]
Less than 12 months		0	0
12 months or greater		1,056	1,264
Total investment portfolio		1,056	1,264
Debt securities issued by foreign sovereign governments
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost		30,477	35,630
Gross Unrealized Gains		2,876	3,540
Gross Unrealized Losses	[1]	(62)	0
Fair Value		33,291	39,170
Continuous Unrealized Loss Portion, Fair Value [Abstract]
Less than 12 months		2,177
12 months or greater		0
Total investment portfolio		2,177
Continuous Unrealized Loss Portion, Unrealized Loses [Abstract]
Less than 12 months		62
12 months or greater		0
Total investment portfolio		62
Total debt securities
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost		4,598,347	4,602,514
Gross Unrealized Gains		38,860	37,588
Gross Unrealized Losses	[1]	(48,876)	(30,488)
Fair Value		4,588,331	4,609,614
Equity securities
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost		5,595	3,003
Gross Unrealized Gains		52	61
Gross Unrealized Losses	[1]	(13)	(9)
Fair Value		5,634	3,055
Continuous Unrealized Loss Portion, Fair Value [Abstract]
Less than 12 months		319	167
12 months or greater		173	235
Total investment portfolio		492	402
Continuous Unrealized Loss Portion, Unrealized Loses [Abstract]
Less than 12 months		4	1
12 months or greater		9	8
Total investment portfolio		$ 13	$ 9

[1] At September 30, 2015 and December 31, 2014, there were no other-than-temporary impairment losses recorded in other comprehensive income.

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Statutory Capital (Details) $ in Millions	9 Months Ended
	Sep. 30, 2015 USD ($) jurisdiction	Dec. 31, 2014 USD ($)
Statutory capital requirements [Abstract]
Number of jurisdictions with risk-to-capital requirements | jurisdiction	16
Maximum permitted risk-to-capital ratio commonly applied	25 to 1
Risk-to-capital ratio on a combined basis at end of period	13.6 to 1
Statutory deferred tax assets admitted	$ 211	$ 138
Percentage of surplus as regards policyholders (in hundredths)	15.00%
Statutory Capital Requirements, Risk To Capital Ratio For Combined Insurance Operations	13.6
Maximum
Statutory capital requirements [Abstract]
Risk-to-capital ratio	25
Mortgage Guaranty Insurance Corporation
Statutory capital requirements [Abstract]
Risk to capital ratio at end of period	12.3 to 1
Risk-to-capital ratio	12.3
Amount of policyholders position above or below required MPP	$ 1,100
Amount of required MPP	$ 1,100
Percentage of surplus as regards policyholders (in hundredths)	10.00%

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CONSOLIDATED BALANCE SHEETS (Unaudited) - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Securities, available-for-sale, at fair value:
Fixed maturities (amortized cost, 2015 - $4,598,347; 2014 - $4,602,514)	$ 4,588,331	$ 4,609,614
Equity securities	5,634	3,055
Total investment portfolio	4,593,965	4,612,669
Cash and cash equivalents	384,536	197,882
Restricted cash and cash equivalents	0	17,212
Accrued investment income	36,861	30,518
Prepaid reinsurance premiums	187	47,623
Reinsurance recoverable on loss reserves	38,748	57,841
Reinsurance recoverable on paid losses	4,275	6,424
Premiums receivable	51,579	57,442
Home office and equipment, net	29,265	28,693
Deferred insurance policy acquisition costs	14,997	12,240
Profit commission receivable	0	91,500
Deferred income taxes, net	758,851	0
Other assets	94,886	106,390
Total assets	6,008,150	5,266,434
Liabilities:
Loss reserves	1,979,943	2,396,807
Premium deficiency reserve	0	23,751
Unearned premiums	265,119	203,414
Senior notes	61,953	61,918
Convertible senior notes	845,000	845,000
Convertible junior debentures	389,522	389,522
Other liabilities	318,094	309,119
Total liabilities	$ 3,859,631	$ 4,229,531
Contingencies
Shareholders' equity:
Common stock (one dollar par value, shares authorized 1,000,000; shares issued 2015 - 340,091; 2014 - 340,047; shares outstanding 2015 - 339,651; 2014 - 338,560)	$ 340,091	$ 340,047
Paid-in capital	1,667,307	1,663,592
Treasury stock (shares at cost 2015 - 440; 2014 - 1,487)	(3,362)	(32,937)
Accumulated other comprehensive loss, net of tax	(43,147)	(81,341)
Retained earnings (deficit)	187,630	(852,458)
Total shareholders' equity	2,148,519	1,036,903
Total liabilities and shareholders' equity	$ 6,008,150	$ 5,266,434

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Other Comprehensive Income (Details) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
		Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015		Sep. 30, 2014
Components of Other Comprehensive Income (Loss) [Abstract]
Net unrealized holding (losses) gains arising during the period		$ 27,271	$ (17,377)	$ (17,126)		$ 67,102
Income tax benefit (expense)		(9,531)	6,069	5,955		(23,436)
Valuation allowance	[1]	77,555	(5,993)	62,383		23,132
Net of taxes		95,295	(17,301)	51,212		66,798
Net changes in benefit plan assets and obligations		(546)	(1,732)	(1,638)		(5,198)
Income tax benefit		192	606	574		1,819
Valuation allowance	[1]	(7,001)	(606)	(7,383)		(1,819)
Net of taxes		(7,355)	(1,732)	(8,447)		(5,198)
Net changes in unrealized foreign currency translation adjustment		(3,724)	(3,835)	(6,228)		(1,000)
Income tax benefit (expense)		1,306	1,345	2,186		350
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, before Tax, Portion Attributable to Parent, Valuation Allowance	[1]	(529)	0	(529)		0
Net of taxes		(2,947)	(2,490)	(4,571)		(650)
Total other comprehensive income (loss)		23,001	(22,944)	(24,992)		60,904
Total income tax benefit (expense), net of valuation allowance		61,992	1,421	63,186		46
Other comprehensive income (loss), net of tax		84,993	(21,523)	38,194		60,950
Amounts Reclassified From Accumulated Other Comprehensive Income [Abstract]
Total reclassifications		127,248	72,266	378,685		179,614
Income tax (expense) benefit		(43,694)	(25,030)	(131,568)		(65,322)
Change in valuation allowance		(739,298)	(24,781)	(822,465)		(63,229)
Total income tax expense, net of valuation allowance		695,604	(249)	690,897		(2,093)
Net income		822,852	72,017	1,069,582		177,521
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance at beginning of period, net of tax				(81,341)
Other comprehensive loss before reclassifications				50,361
Less: Amounts reclassified from AOCL				12,167
Balance at end of period, net of tax		(43,147)		(43,147)
Unrealized gains and losses on available-for- sale securities
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance at beginning of period, net of tax				(57,551)
Other comprehensive loss before reclassifications				61,741
Less: Amounts reclassified from AOCL	[2]			10,529
Balance at end of period, net of tax		(6,339)		(6,339)
Defined benefit plans
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance at beginning of period, net of tax				(28,938)
Other comprehensive loss before reclassifications				(6,809)
Less: Amounts reclassified from AOCL	[3]			1,638
Balance at end of period, net of tax		(37,385)		(37,385)
Foreign currency translation
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance at beginning of period, net of tax				5,148
Other comprehensive loss before reclassifications				(4,571)
Less: Amounts reclassified from AOCL				0
Balance at end of period, net of tax		577		577
Reclassification from Accumulated Other Comprehensive Income
Amounts Reclassified From Accumulated Other Comprehensive Income [Abstract]
Total reclassifications		(574)	892	12,229		(527)
Total income tax expense, net of valuation allowance		(18)	(31)	(62)		(61)
Net income		(592)	861	12,167		(588)
Reclassification from Accumulated Other Comprehensive Income | Unrealized gains and losses on available-for- sale securities
Amounts Reclassified From Accumulated Other Comprehensive Income [Abstract]
Total reclassifications		(1,120)	(840)	10,591	[4]	(5,725)	[4]
Income tax (expense) benefit		395	299	(3,697)		2,014
Change in valuation allowance		(413)	(330)	3,635		(2,075)
Net income		(1,138)	(871)	10,529		(5,786)
Reclassification from Accumulated Other Comprehensive Income | Defined benefit plans
Amounts Reclassified From Accumulated Other Comprehensive Income [Abstract]
Total reclassifications		546	1,732	1,638		5,198
Income tax (expense) benefit		(192)	(606)	(574)		(1,819)
Change in valuation allowance		192	606	574		1,819
Net income		$ 546	$ 1,732	$ 1,638		$ 5,198

[1] See Note 11 – “Income Taxes” for a discussion of the valuation allowance recorded against deferred tax assets.

[2] Increases Net realized investment gains on the consolidated statements of operations.

[3] Decreases Other underwriting and operating expenses, net on the consolidated statements of operations.

[4] The reclassification adjustment for the nine months ended September 30, 2014 has been recast to conform to the 2015 method for determining amounts included in net income. This revision had no impact to our consolidated financial statements and is not material to amounts disclosed by us in prior periods.

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CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY (Unaudited) - USD ($) $ in Thousands	Total	Common stock	Paid-in capital	Treasury stock	Accumulated other comprehensive income (loss)	Retained earnings (deficit)
Balance, beginning of period at Dec. 31, 2013		$ 340,047	$ 1,661,269	$ (64,435)	$ (117,726)	$ (1,074,617)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	$ 177,521					177,521
Net common stock issued under share-based compensation plans		0	0
Reissuance of treasury stock, net			(6,680)	31,498		(29,791)
Tax benefit from share-based compensation			0
Equity compensation			6,472
Other comprehensive income	60,950				60,950
Balance, end of period at Sep. 30, 2014	984,508	340,047	1,661,061	(32,937)	(56,776)	(926,887)
Balance, beginning of period at Dec. 31, 2014	1,036,903	340,047	1,663,592	(32,937)	(81,341)	(852,458)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	1,069,582					1,069,582
Net common stock issued under share-based compensation plans		44	(446)
Reissuance of treasury stock, net			(6,894)	29,575		(29,494)
Tax benefit from share-based compensation			2,113
Equity compensation			8,942
Other comprehensive income	38,194				38,194
Balance, end of period at Sep. 30, 2015	$ 2,148,519	$ 340,091	$ 1,667,307	$ (3,362)	$ (43,147)	$ 187,630

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Nature of Business and Basis of Presentation (Details) $ in Thousands		3 Months Ended		9 Months Ended
	Nov. 02, 2015 USD ($)	Dec. 31, 2013 USD ($)	Jun. 30, 2013 USD ($) agreement	Sep. 30, 2015 USD ($)	Sep. 30, 2014 USD ($)
Organization, Consolidation and Presentation of Financial Statements [Abstract]
PMIERs tables expected review period				2 years
Notice period for updates to PMIERs tables				180 days
(Increase) decrease in restricted cash		$ 42,900	$ (60,300)	$ 17,212	$ 233
Number of agreements entered into to resolve disputes | agreement			2
Senior Notes, interest at 5.375% per annum, due November 2015 | Subsequent Event
Debt Instrument [Line Items]
Repayments of debt	$ 61,900

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Stock-Based Compensation

9 Months Ended

Sep. 30, 2015

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Stock-Based Compensation

Stock-Based Compensation

We have an incentive stock plan under which restricted stock units (“RSUs”) were granted to employees. Our annual grant of share-based compensation to employees takes place during the first quarter of each fiscal year. Under the fair value method, compensation cost is measured at the grant date based on the fair value of the award and is recognized over the service period which generally corresponds to the vesting period. Awards under our incentive plan generally vest over periods ranging from one to three years. The number of shares granted to employees and the weighted average fair value per share during the periods presented were (shares in thousands):

	Nine months ended September 30,
	2015			2014
	Shares Granted	Weighted Average Share Fair Value		Shares Granted	Weighted Average Share Fair Value
RSUs subject to performance conditions	1,144	$	9.04	1,372	$	8.43
RSUs subject only to service conditions	410	8.99		409	8.43

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Debt (Details) - USD ($)			9 Months Ended
		Nov. 02, 2015	Sep. 30, 2015	Sep. 30, 2014	Dec. 31, 2014
Debt Instrument [Line Items]
Total debt			$ 1,296,400,000		$ 1,296,400,000
Less current portion of debt			(61,900,000)		(61,900,000)
Total long-term debt			$ 1,234,500,000		1,234,500,000
Period preceding election to convert			5 days
Interest payments made			$ 32,800,000	$ 32,800,000
Holding company cash and investments			469,000,000
Unrealized gain loss on holding company investments			$ 400,000
Modified duration of holding company investments			2 years 10 months 24 days
Senior Notes, interest at 5.375% per annum, due November 2015
Debt Instrument [Line Items]
Total debt			$ 61,900,000		61,900,000
Interest payments made			$ 1,700,000	1,700,000
Senior Notes, interest at 5.375% per annum, due November 2015 | Subsequent Event
Debt Instrument [Line Items]
Repayments of debt		$ 61,900,000
Senior Notes, interest at 5.375% per annum, due November 2015 | Senior Notes Due 2015
Debt Instrument [Line Items]
Stated interest rate (in hundredths)			5.375%
Maturity date			Nov. 01, 2015
Convertible Senior Notes, interest at 5% per annum, due May 2017
Debt Instrument [Line Items]
Total debt	[1]		$ 345,000,000		345,000,000
Stated interest rate (in hundredths)			5.00%
Maturity date			May 01, 2017
Conversion rate (in shares per $1,000 note)			74.4186
Principal amount of notes used in determining conversion rate			$ 1,000
Initial conversion price (in dollars per share)			$ 13.44
Interest payments made			$ 8,600,000	8,600,000
Convertible Senior Notes, interest at 2% per annum, due April 2020
Debt Instrument [Line Items]
Total debt	[2],[3]		$ 500,000,000		500,000,000
Stated interest rate (in hundredths)			2.00%
Maturity date			Apr. 01, 2020
Conversion rate (in shares per $1,000 note)			143.8332
Principal amount of notes used in determining conversion rate			$ 1,000
Initial conversion price (in dollars per share)			$ 6.95
Minimum number of trading days			20 days
Maximum number of trading days			30 days
Percentage of conversion price (in hundredths)			130.00%
Convertible debt, conversion price			$ 9.03
Redemption price, percentage (in hundredths)			100.00%
Interest payments made			$ 5,000,000	5,000,000
Convertible Junior Subordinated Debentures, interest at 9% per annum, due April 2063
Debt Instrument [Line Items]
Total debt	[4]		$ 389,500,000		$ 389,500,000
Stated interest rate (in hundredths)			9.00%
Maturity date			Apr. 01, 2063
Conversion rate (in shares per $1,000 note)			74.0741
Principal amount of notes used in determining conversion rate			$ 1,000
Initial conversion price (in dollars per share)			$ 13.50
Interest payments made			$ 17,500,000	$ 17,500,000

[1] Convertible at any time prior to maturity at the holder's option, at an initial conversion rate, which is subject to adjustment, of 74.4186 shares per $1,000 principal amount, representing an initial conversion price of approximately $13.44 per share.

[2] Prior to April 10, 2017, the notes will not be redeemable. On any business day on or after April 10, 2017 we may redeem for cash all or part of the notes, at our option, at a redemption rate equal to 100% of the principal amount of the notes being redeemed, plus any accrued and unpaid interest, if the closing sale price of our common stock exceeds 130% of the then prevailing conversion price of the notes for each of at least 20 of the 30 consecutive trading days preceding notice of the redemption.

[3] Prior to January 1, 2020, the 2% Convertible Senior Notes are convertible only upon satisfaction of one or more conditions. One such condition is that during any calendar quarter commencing after March 31, 2014, the last reported sale price of our common stock for each of at least 20 trading days during the 30 consecutive trading days ending on, and including, the last trading day of the immediately preceding calendar quarter be greater than or equal to 130% of the applicable conversion price on each applicable trading day. The 2% Notes are convertible at an initial conversion rate, which is subject to adjustment, of 143.8332 shares per $1,000 principal amount, representing an initial conversion price of approximately $6.95 per share. 130% of such conversion price is $9.03. On or after January 1, 2020, holders may convert their notes irrespective of satisfaction of the conditions. Our common stock price was greater than or equal to 130% of the applicable conversion price for each of at least 20 trading days during the 30 consecutive trading days ending on, and including, September 30, 2015.

[4] Convertible at any time prior to maturity at the holder's option, at an initial conversion rate, which is subject to adjustment, of 74.0741 shares per $1,000 principal amount, representing an initial conversion price of approximately $13.50 per share. If a holder elects to convert their debentures, deferred interest owed on the debentures being converted is also converted into shares of our common stock. The conversion rate for any deferred interest is based on the average price that our shares traded at during a 5-day period immediately prior to the election to convert. In lieu of issuing shares of common stock upon conversion of the debentures, we may, at our option, make a cash payment to converting holders for all or some of the shares of our common stock otherwise issuable upon conversion.

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New Accounting Pronouncements (Policies)

9 Months Ended

Sep. 30, 2015

New Accounting Pronouncements and Changes in Accounting Principles [Abstract]

New Accounting Pronouncements

Revenue from Contracts with Customers

In May 2014, the Financial Accounting Standards Board ("FASB") issued guidance to clarify the principles for recognizing revenue. While insurance contracts are not within the scope of this updated guidance, our fee income related to contract underwriting and other fee-based services provided to lenders will be subject to this guidance. The updated guidance requires an entity to recognize revenue as performance obligations are met, in order to reflect the transfer of promised goods or services to customers in an amount that reflects the consideration the entity is entitled to receive for those goods or services. The guidance also requires additional disclosure about the nature, amount, timing, and uncertainty of revenue and cash flows arising from customer contracts. The guidance is effective for reporting periods beginning after December 15, 2017 with early adoption for reporting periods beginning after December 15, 2016 permitted. We are currently evaluating the impact of this update, but it is not expected to have a significant impact on our consolidated financial statements and disclosures.

Presentation of Debt Issuance Costs

In April 2015, the FASB amended existing guidance related to the presentation of debt issuance costs. The new standard requires the presentation of debt issuance costs in the balance sheet as a deduction from the carrying amount of the related debt liability instead of a deferred charge. It is effective for annual reporting periods beginning after December 15, 2015, but early adoption is permitted. The adoption of this guidance is not expected to have a significant impact on our consolidated financial statements.

Disclosures about Short-Duration Contracts

In May 2015, the FASB issued guidance requiring expanded disclosures for insurance entities that issue short-duration contracts. The expanded disclosures are designed to provide additional insight into an insurance entity's ability to underwrite and anticipate costs associated with claims. The disclosures include information about incurred and paid claims development by accident year, on a net of reinsurance basis, for the number of years claims incurred typically remain outstanding, not to exceed ten years. Each period presented in the disclosure about claims development that precedes the current reporting periods is considered supplementary information. The expanded disclosures also include more transparent information about significant changes in methodologies and assumptions used to estimate claims, and the timing, frequency, and severity of claims. The disclosures required by this update are effective for annual periods beginning after December 31, 2015, and interim periods within annual periods beginning after December 31, 2016, and is to be applied retrospectively. We are evaluating the impact, if any, of the new disclosure requirements.

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CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014
Cash flows from operating activities:
Net income	$ 1,069,582	$ 177,521
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Depreciation and amortization	38,361	38,229
Deferred tax (benefit) expense	(698,177)	336
Realized investment gains, net	(27,133)	(923)
Loss on repurchases of senior notes	0	837
Excess tax benefits related to share-based compensation	(2,113)	0
Other	(21,795)	19,845
Change in certain assets and liabilities:
Accrued investment income	(6,343)	1,177
Prepaid insurance premium	47,436	(7,987)
Reinsurance recoverable on loss reserves	19,093	6,187
Reinsurance recoverable on paid losses	2,149	3,975
Premium receivable	5,863	1,971
Deferred insurance policy acquisition costs	(2,757)	(1,929)
Profit commission receivable	91,500	(66,584)
Real estate	2,574	(3,285)
Loss reserves	(416,864)	(533,819)
Premium deficiency reserve	(23,751)	(19,750)
Unearned premiums	61,705	31,513
Return premium accrual	(6,400)	16,200
Income taxes payable - current	2,101	(1,180)
Net cash provided by (used in) operating activities	135,031	(337,666)
Purchases of investments:
Fixed maturities	(1,970,402)	(1,549,883)
Equity securities	(2,593)	(59)
Proceeds from sales of fixed maturities	1,527,680	902,660
Proceeds from maturity of fixed maturities	432,328	914,465
Net increase in payable for securities	48,120	7,245
Net decrease in restricted cash	17,212	233
Additions to property and equipment	(2,835)	(3,998)
Net cash provided by investing activities	49,510	270,663
Cash flows from financing activities:
Repayment of long-term debt	0	(21,767)
Excess tax benefits related to share-based compensation	2,113	0
Net cash provided by (used in) financing activities	2,113	(21,767)
Net increase (decrease) in cash and cash equivalents	186,654	(88,770)
Cash and cash equivalents at beginning of period	197,882	332,692
Cash and cash equivalents at end of period	$ 384,536	$ 243,922

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CONSOLIDATED BALANCE SHEETS (Unaudited) (Parenthetical) - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Statement of Financial Position [Abstract]
Fixed maturities, amortized cost	$ 4,598,347	$ 4,602,514
Common stock, par value (in dollars per share)	$ 1	$ 1
Common stock, shares authorized (in shares)	1,000,000,000	1,000,000,000
Common stock, shares issued (in shares)	340,091,000	340,047,000
Common stock, shares outstanding (in shares)	339,651,000	338,560,000
Treasury stock, shares at cost (in shares)	440,000	1,487,000

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Benefit Plans

9 Months Ended

Sep. 30, 2015

Compensation and Retirement Disclosure [Abstract]

Benefit Plans

Benefit Plans

The following table provides the components of net periodic benefit cost for the pension, supplemental executive retirement and other postretirement benefit plans:

	Three Months Ended September 30,
	Pension and Supplemental Executive Retirement Plans						Other Postretirement Benefits
	2015			2014			2015			2014
	(In thousands)
Service cost	$	2,564		$	2,142		$	208		$	165
Interest cost	3,962			3,997			174			164
Expected return on plan assets	(5,278		)	(5,258		)	(1,248		)	(1,162		)
Recognized net actuarial loss (gain)	1,372			271			(44		)	(109		)
Amortization of prior service cost	(211		)	(233		)	(1,661		)	(1,663		)
Net periodic benefit cost (benefit)	$	2,409		$	919		$	(2,571	)	$	(2,605	)

	Nine Months Ended September 30,
	Pension and Supplemental Executive Retirement Plans						Other Postretirement Benefits
	2015			2014			2015			2014
	(In thousands)
Service cost	$	7,692		$	6,425		$	624		$	494
Interest cost	11,886			11,991			523			491
Expected return on plan assets	(15,832		)	(15,773		)	(3,743		)	(3,486		)
Recognized net actuarial loss (gain)	4,114			812			(132		)	(326		)
Amortization of prior service cost	(633		)	(698		)	(4,986		)	(4,988		)
Net periodic benefit cost (benefit)	$	7,227		$	2,757		$	(7,714	)	$	(7,815	)

We have made payments totaling $17 million in connection with our qualified pension and supplemental executive retirement plans, completing our annual funding for 2015.

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Document and Entity Information - shares	9 Months Ended
	Sep. 30, 2015	Oct. 30, 2015
Document and Entity Information [Abstract]
Entity Registrant Name	MGIC INVESTMENT CORP
Entity Central Index Key	0000876437
Current Fiscal Year End Date	--12-31
Entity Current Reporting Status	Yes
Entity Filer Category	Large Accelerated Filer
Entity Common Stock, Shares Outstanding		339,656,530
Document Fiscal Year Focus	2015
Document Fiscal Period Focus	Q3
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Sep. 30, 2015

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Income Taxes

9 Months Ended

Sep. 30, 2015

Income Tax Disclosure [Abstract]

Income Taxes

Income Taxes

Valuation Allowance

We review the need to maintain the deferred tax asset valuation allowance on a quarterly basis. We analyze many factors, among which are the severity and frequency of operating losses, our capacity for the carryback or carryforward of any losses, the existence and current level of taxable operating income, operating results on a three year cumulative basis, the expected occurrence of future income or loss, the expiration dates of the loss carryforwards, the cyclical nature of our operating results, and available tax planning strategies. Based on our analysis, we reduced our benefit from income tax through the recognition of a valuation allowance from the first quarter of 2009 through the second quarter of 2015.

In the third quarter of 2015, based on our analysis, as described more fully below, we concluded that it was more likely than not that our deferred tax assets would be fully realizable and that the valuation allowance was no longer necessary. Therefore, we reversed the valuation allowance under the applicable accounting rules for a reversal in an interim period. Specifically, the portion of the valuation allowance release related to the deferred tax asset that is expected to be realized in the current year is included in the computation of the annual estimated effective tax rate. This amount, which totaled $124.4 million and $25.3 million for the first three quarters and the fourth quarter of 2015, respectively, is or will be applied to net income through a reduction of the tax provision. The portion of the valuation allowance release related to deferred tax assets that are expected to be realized in future years, totaling $758.9 million, is treated as a discrete period item and is recognized as a component of the tax provision in continuing operations in the period of the release. Furthermore, in determining the discrete period impact from the release, we removed the prior period disproportionate tax effects that had arisen in other comprehensive income because of the valuation allowance. This reduced the amount of tax benefit included in net income and resulted in an allocation of tax benefit of $60.8 million to components of other comprehensive income.

For each of the three and nine months ended September 30, 2015, the reversal of our valuation allowance against our net deferred tax assets resulted in a $698.1 million benefit in our provision for income taxes. In addition, we reversed $41.2 million and $124.4 million of our valuation allowance and reduced our tax provision on income for the three and nine months ended September 30, 2015, respectively. The change in valuation allowance that was included in other comprehensive income for the three and nine months ended September 30, 2015 was $70.0 million and $54.5 million, respectively. The total valuation allowance as of December 31, 2014 was $902.3 million.

The following table provides a roll forward of our deferred tax asset valuation allowance for the nine months ended September 30, 2015.

	For the nine months ended September 30, 2015 and period then ended
	(In millions)
Beginning Balance December 31, 2014	$	902.3
Reduction in tax provision for the nine months ended September 30, 2015	(124.4		)
Reduction in tax provision allocated to the three months ended December 31, 2015	(25.3		)
Amounts recorded in other comprehensive income for the nine months ended September 30, 2015	6.3
Change in valuation allowance for deferred tax assets in the current year	(143.4		)
Amounts related to the release of the deferred tax asset valuation allowance recorded in the three months ending September 30, 2015
Reduction in tax provision for amounts to be realized in future years	(698.1		)
Amounts recorded in other comprehensive income to be realized in future years	(60.8		)
Change in valuation allowance for deferred tax assets realizable in future years	(758.9		)
Ending Balance September 30, 2015	$	—

In our analysis we evaluated both subjective and objective evidence and assigned a weight to each one. Significant weight was given to our most recent operating results and our ability to sustain them. We have experienced a significant reduction in losses incurred as our level of default notices received and in inventory has declined, as the effects of the financial crisis continue to ebb. New insurance written in recent years has been of high quality and is expected to be profitable well into the future. Historically, the results of mortgage insurers have been cyclical, where periods of operating losses have been followed by significant amounts of income. All of these factors have had a positive effect on operating results. Our level of income for each of the first three quarters of 2015 exceeded $100 million. We viewed the recurring nature of our income as very important, objectively verifiable evidence and gave it great weight in our analysis. Based on the above, we believe that we will have significant sources of income which will allow for utilization of our deferred tax assets.

Generally, a significant component of any analysis for the recognition of deferred tax assets includes the objective observation of operating results for a period of time. In this regard, we considered the level of cumulative operating income, as adjusted for any permanent tax differences. There is no specific requirement that indicates the time span for this evaluation. In our evaluation, we used a three year period, which, based on our investigation, is commonly used by many publicly held entities. Prior to the third quarter of 2015, this three year cumulative total had been materially negative for an extended period of time, which we considered to be objective, negative evidence which would not support the release of the valuation allowance. In the third quarter, this amount became positive and totaled $194.1 million, which we believe provided additional objective evidence which supports the release of the valuation allowance.

In the fourth quarter of 2013, our net operating loss carryforward (“NOL”) for U.S. federal regular income tax purposes reached $2.6 billion, which was the highest amount it attained. As of September 30, 2015, the estimated remaining NOLs total $2.1 billion, a reduction of approximately $500 million in less than two years. At this rate, and without taking into account any improvement in earnings, we would utilize the NOL in approximately seven years. In addition to this history of the utilization of our NOLs, we considered that the amount of income that we have been generating has been increasing over time. In the first three quarters of 2015, we reduced our NOLs by an average of $120.4 million per quarter, whereas in 2014 that amount was $52.2 million per quarter. At the 2015 rate, we would utilize the NOLs on our return by the end of 2020. The earliest current expiration date for our NOLs is 2029. This recent history of positive earnings trends indicates that it is more likely than not that the NOLs would be utilized well before they expire. Further, we currently have no limitations under the change in control provisions of Internal Revenue Code Section 382, which would reduce our ability to utilize our NOLs. We have taken steps, primarily through our Amended and Restated Rights Agreement, to attempt to prevent any change in control which would limit the utilization of our NOLs.

The effect of the change in valuation allowance on the provision for income taxes was as follows:

	Three months ended September 30,						Nine months ended September 30,
	2015			2014			2015			2014
	(In thousands)
Provision for income tax	$	43,694		$	25,030		$	131,568		$	65,322
Change in valuation allowance	(739,298		)	(24,781		)	(822,465		)	(63,229		)
(Benefit from) provision for income taxes	$	(695,604	)	$	249		$	(690,897	)	$	2,093

The change in the valuation allowance that was included in other comprehensive income for the three months ended September 30, 2015 and 2014 was a decrease of $70.0 million and an increase of $6.6 million, respectively. The change in the valuation allowance that was included in other comprehensive income for the nine months ended September 30, 2015 and 2014 was a decrease of $54.5 million and a decrease of $21.3 million, respectively.

We have approximately $2.1 billion of NOL carryforwards on a regular tax basis and $1.2 billion of NOL carryforwards for computing the alternative minimum tax as of September 30, 2015. Any unutilized carryforwards are scheduled to expire at the end of tax years 2029 through 2033. In future years with taxable income and until such time as our NOL carryforwards are exhausted or expired, our provision for income tax would likely exceed the amount of cash tax payments.

Tax Contingencies

As previously disclosed, the Internal Revenue Service (“IRS”) completed examinations of our federal income tax returns for the years 2000 through 2007 and issued proposed assessments for taxes, interest and penalties related to our treatment of the flow-through income and loss from an investment in a portfolio of residual interests of Real Estate Mortgage Investment Conduits (“REMICs”). The IRS indicated that it did not believe that, for various reasons, we had established sufficient tax basis in the REMIC residual interests to deduct the losses from taxable income. We appealed these assessments within the IRS and in August 2010, we reached a tentative settlement agreement with the IRS which was not finalized.

On September 10, 2014, we received Notices of Deficiency (commonly referred to as “90 day letters”) covering the 2000-2007 tax years. The Notices of Deficiency reflect taxes and penalties related to the REMIC matters of $197.5 million and at September 30, 2015, there would also be interest related to these matters of approximately $179.2 million. In 2007, we made a payment of $65.2 million to the United States Department of the Treasury which will reduce any amounts we would ultimately owe. The Notices of Deficiency also reflect additional amounts due of $261.4 million, which are primarily associated with the disallowance of the carryback of the 2009 net operating loss to the 2004-2007 tax years. We believe the IRS included the carryback adjustments as a precaution to keep open the statute of limitations on collection of the tax that was refunded when this loss was carried back, and not because the IRS actually intends to disallow the carryback permanently.

We filed a petition with the U.S. Tax Court contesting most of the IRS' proposed adjustments reflected in the Notices of Deficiency and the IRS has filed an answer to our petition which continues to assert their claim. Litigation to resolve our dispute with the IRS could be lengthy and costly in terms of legal fees and related expenses. We can provide no assurance regarding the outcome of any such litigation or whether a compromised settlement with the IRS will ultimately be reached and finalized. Depending on the outcome of this matter, additional state income taxes and state interest may become due when a final resolution is reached. As of September 30, 2015, those state taxes and interest would approximate $48.4 million. In addition, there could also be state tax penalties. Our total amount of unrecognized tax benefits as of September 30, 2015 is $106.9 million, which represents the tax benefits generated by the REMIC portfolio included in our tax returns that we have not taken benefit for in our financial statements, including any related interest. We continue to believe that our previously recorded tax provisions and liabilities are appropriate. However, we would need to make appropriate adjustments, which could be material, to our tax provision and liabilities if our view of the probability of success in this matter changes, and the ultimate resolution of this matter could have a material negative impact on our effective tax rate, results of operations, cash flows, available assets and statutory capital. In this regard, see Note 1 – “Nature of Business – Capital-GSEs.”

In October 2014, we received a Revenue Agent’s Report from the IRS related to the examination of our federal income tax returns for the years 2011 and 2012.  The result of the examination had no material effect on the financial statements.

The total amount of the unrecognized tax benefits, related to our aforementioned REMIC issue that would affect our effective tax rate is $93.7 million. We recognize interest accrued and penalties related to unrecognized tax benefits in income taxes. As of September 30, 2015 and December 31, 2014, we had accrued $27.6 million and $26.9 million, respectively, for the payment of interest.

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CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Premiums written:
Direct	$ 273,803	$ 255,041	$ 800,619	$ 740,479
Assumed	285	400	931	1,281
Ceded	43,897	(32,536)	(22,334)	(87,450)
Net premiums written	317,985	222,905	779,216	654,310
Increase in unearned premiums, net	(78,751)	(13,870)	(109,186)	(23,528)
Net premiums earned	239,234	209,035	670,030	630,782
Investment income, net of expenses	25,939	22,355	75,815	63,691
Net realized investment gains (losses):
Total other-than-temporary impairment losses	0	0	0	0
Portion of losses recognized in comprehensive income, before taxes	0	0	0	0
Net impairment losses recognized in earnings	0	0	0	0
Other realized investment gains	640	632	27,133	923
Net realized investment gains	640	632	27,133	923
Other revenue	3,698	3,093	9,877	6,037
Total revenues	269,511	235,115	782,855	701,433
Losses and expenses:
Losses incurred, net	76,458	115,254	248,481	379,003
Change in premium deficiency reserve	0	(6,744)	(23,751)	(19,750)
Amortization of deferred policy acquisition costs	2,368	2,096	6,191	5,191
Other underwriting and operating expenses, net	46,075	34,882	121,152	105,101
Interest expense	17,362	17,361	52,097	52,274
Total losses and expenses	142,263	162,849	404,170	521,819
Income before tax	127,248	72,266	378,685	179,614
(Benefit from) provision for income taxes	(695,604)	249	(690,897)	2,093
Net income	$ 822,852	$ 72,017	$ 1,069,582	$ 177,521
Income per share
Basic (in dollars per share)	$ 2.42	$ 0.21	$ 3.15	$ 0.52
Diluted (in dollars per share)	$ 1.78	$ 0.18	$ 2.35	$ 0.45
Weighted average shares outstanding - basic and diluted
Weighted average common shares outstanding - basic (in shares)	339,701	338,626	339,504	338,488
Weighted average common shares outstanding - diluted (in shares)	468,149	413,576	468,097	413,473

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Litigation and Contingencies

9 Months Ended

Sep. 30, 2015

Commitments and Contingencies Disclosure [Abstract]

Litigation and Contingencies

Litigation and Contingencies

Before paying a claim, we review the loan and servicing files to determine the appropriateness of the claim amount. All of our insurance policies provide that we can reduce or deny a claim if the servicer did not comply with its obligations under our insurance policy, including the requirement to mitigate our loss by performing reasonable loss mitigation efforts or, for example, diligently pursuing a foreclosure or bankruptcy relief in a timely manner. We call such reduction of claims submitted to us “curtailments.” In 2014 and the first three quarters of 2015, curtailments reduced our average claim paid by approximately 6.7% and 7.0%, respectively. After we pay a claim, servicers and insureds sometimes object to our curtailments and other adjustments. We review these objections if they are sent to us within 90 days after the claim was paid.

When reviewing the loan file associated with a claim, we may determine that we have the right to rescind coverage on the loan. (In our SEC reports, we refer to insurance rescissions and denials of claims collectively as "rescissions" and variations of that term.) In recent quarters, approximately 5% of claims received in a quarter have been resolved by rescissions, down from the peak of approximately 28% in the first half of 2009. We estimate rescissions mitigated our incurred losses by approximately $2.5 billion in 2009 and $0.2 billion in 2010 and have not significantly mitigated our incurred losses since then. Our loss reserving methodology incorporates our estimates of future rescissions and reversals of rescissions. Historically, reversals of rescissions have been immaterial. A variance between ultimate actual rescission and reversal rates and our estimates, as a result of the outcome of litigation, settlements or other factors, could materially affect our losses.

If the insured disputes our right to rescind coverage, we generally engage in discussions in an attempt to settle the dispute. As part of those discussions, we may voluntarily suspend rescissions we believe may be part of a settlement. Certain settlements require GSE approval. The GSEs consented to two settlement agreements we entered into with Countrywide Home Loans, Inc. (“CHL”) and its affiliate, Bank of America, N.A., as successor to Countrywide Home Loans Servicing LP (“BANA” and collectively with CHL, “Countrywide”), but there is no guarantee they will approve others. We have reached and implemented settlement agreements that do not require GSE approval, but they have not been material in the aggregate.

If we are unable to reach a settlement, the outcome of a dispute ultimately would be determined by legal proceedings. Under our policies in effect prior to October 1, 2014, legal proceedings disputing our right to rescind coverage may be brought up to three years after the lender has obtained title to the property (typically through a foreclosure) or the property was sold in a sale that we approved, whichever is applicable, and under our master policy effective October 1, 2014, such proceedings may be brought up to two years from the date of the notice of rescission. In a few jurisdictions there is a longer time to bring such proceedings.

Until a liability associated with a settlement agreement or litigation becomes probable and can be reasonably estimated, we consider our claim payment or rescission resolved for financial reporting purposes even though discussions and legal proceedings may have been initiated and are ongoing. Under ASC 450-20, an estimated loss from such discussions and proceedings is accrued for only if we determine that the loss is probable and can be reasonably estimated.

In December 2009, we entered into legal proceedings with Countrywide in which Countrywide alleged that MGIC denied valid mortgage insurance claims. In April 2013, MGIC entered into separate settlement agreements with CHL and BANA, pursuant to which the parties agreed to settle the Countrywide litigation as it relates to MGIC’s rescission practices (as amended from time to time, the “Agreements”). The Agreement with BANA covers loans purchased by the GSEs. That original Agreement was implemented beginning in November 2013 and we resolved all related suspended rescissions in November and December 2013 by paying the associated claim or processing the rescission.

On March 2, 2015, the parties to the Agreement with CHL amended and restated that Agreement. The Agreement with CHL covers loans that were purchased by non-GSE investors, including securitization trusts. The original Agreement addressed rescission and denial rights; the amended and restated Agreement also addressed curtailment rights. Implementation of that Agreement occurred in June 2015 with respect to loans for which consent to the Agreement was received.

The estimated impact of the Agreements has been recorded in our financial statements. The pending arbitration proceedings concerning the loans covered by the Agreements have been dismissed, the mutual releases regarding loans for which consent was received have become effective and the litigation between the parties regarding loans covered by the Agreements has been dismissed. Consent was received for approximately 89% of the dollar amount of exposure on loans covered by the Agreement with CHL; the holders of loans that did not consent retain their rights to assert claims with respect to such loans.

The estimated impact that we have recorded for probable settlements, including those that have been implemented, is our best estimate of our loss from these matters. We estimate that as of September 30, 2015, the maximum exposure above the best estimate provision we recorded is $124.9 million. If we are not able to implement settlements we consider probable that have not yet been implemented, we intend to defend MGIC vigorously against any related legal proceedings.

The flow policies at issue with Countrywide are in the same form as the flow policies that we used with all of our customers during the period covered by the Agreements, and the bulk policies at issue vary from one another, but are generally similar to those used in the majority of our Wall Street bulk transactions.

In addition to the discussions and/or proceedings for which we have recorded a loss, we are involved in other discussions and/or proceedings with insureds with respect to our claims paying practices. In addition, holders of loans covered by our previously disclosed and implemented settlement agreement with CHL that did not consent to that agreement (approximately 11% of the dollar amount of exposure under that agreement) may bring legal proceedings against MGIC with respect to such loans. Although it is reasonably possible that when these matters are resolved we will not prevail in all cases, we are unable to make a reasonable estimate or range of estimates of the potential liability. We estimate the maximum exposure associated with these matters to be approximately $202.5 million, although we believe we will ultimately resolve these matters for significantly less than this amount.

The estimates of our maximum exposure referred to above do not include interest or consequential or exemplary damages.

Consumers continue to bring lawsuits against home mortgage lenders and settlement service providers. Mortgage insurers, including MGIC, have been involved in litigation alleging violations of the anti-referral fee provisions of the Real Estate Settlement Procedures Act, which is commonly known as RESPA, and the notice provisions of the Fair Credit Reporting Act, which is commonly known as FCRA. MGIC’s settlement of class action litigation against it under RESPA became final in October 2003. MGIC settled the named plaintiffs’ claims in litigation against it under FCRA in December 2004, following denial of class certification in June 2004. Since December 2006, class action litigation has been brought against a number of large lenders alleging that their captive mortgage reinsurance arrangements violated RESPA. Beginning in December 2011, MGIC, together with various mortgage lenders and other mortgage insurers, was named as a defendant in twelve lawsuits, alleged to be class actions, filed in various U.S. District Courts. The complaints in all of the cases alleged various causes of action related to the captive mortgage reinsurance arrangements of the mortgage lenders, including that the lenders’ captive reinsurers received excessive premiums in relation to the risk assumed by those captives, thereby violating RESPA. As of the end of the first quarter of 2015, MGIC has been dismissed from all twelve cases. There can be no assurance that we will not be subject to further litigation under RESPA (or FCRA) or that the outcome of any such litigation would not have a material adverse effect on us.

In 2013, the U.S. District Court for the Southern District of Florida approved a settlement with the CFPB that resolved a federal investigation of MGIC’s participation in captive reinsurance arrangements in the mortgage insurance industry. The settlement concluded the investigation with respect to MGIC without the CFPB or the court making any findings of wrongdoing. As part of the settlement, MGIC agreed that it would not enter into any new captive reinsurance agreement or reinsure any new loans under any existing captive reinsurance agreement for a period of ten years. MGIC had voluntarily suspended most of its captive arrangements in 2008 in response to market conditions and GSE requests. In connection with the settlement, MGIC paid a civil penalty of $2.65 million and the court issued an injunction prohibiting MGIC from violating any provisions of RESPA.

We received requests from the Minnesota Department of Commerce (the “MN Department”) beginning in February 2006 regarding captive mortgage reinsurance and certain other matters in response to which MGIC provided information on several occasions. In June 2015, MGIC executed a Consent Order with the MN Department that resolved the MN Department’s investigation of captive reinsurance matters without making any findings of wrongdoing. The Consent Order provided, among other things, that MGIC is prohibited from entering into any new captive reinsurance agreement or reinsuring any new loans under any existing captive reinsurance agreement for a period of ten years.

We also received a request in June 2005 from the New York Department of Financial Services for information regarding captive mortgage reinsurance arrangements and other types of arrangements in which lenders receive compensation.

Various regulators, including the CFPB, state insurance commissioners and state attorneys general may bring actions seeking various forms of relief in connection with alleged violations of RESPA. The insurance law provisions of many states prohibit paying for the referral of insurance business and provide various mechanisms to enforce this prohibition. While we believe our practices are in conformity with applicable laws and regulations, it is not possible to predict the eventual scope, duration or outcome of any such reviews or investigations nor is it possible to predict their effect on us or the mortgage insurance industry.

In December 2013, the U.S. Treasury Department’s Federal Insurance Office released a report that calls for federal standards and oversight for mortgage insurers to be developed and implemented. It is uncertain what form the standards and oversight will take and when they will become effective.

In addition to the matters described above, we are involved in other legal proceedings in the ordinary course of business. In our opinion, based on the facts known at this time, the ultimate resolution of these ordinary course legal proceedings will not have a material adverse effect on our financial position or results of operations.

Through a non-insurance subsidiary, we utilize our underwriting skills to provide an outsourced underwriting service to our customers known as contract underwriting. As part of the contract underwriting activities, that subsidiary is responsible for the quality of the underwriting decisions in accordance with the terms of the contract underwriting agreements with customers. That subsidiary may be required to provide certain remedies to its customers if certain standards relating to the quality of our underwriting work are not met, and we have an established reserve for such future obligations. Claims for remedies may be made a number of years after the underwriting work was performed. Beginning in the second half of 2009, our subsidiary experienced an increase in claims for contract underwriting remedies, which continued throughout 2012. The underwriting remedy expense for 2014 and the first nine months of 2015 was approximately $4 million and $1 million, respectively, but may increase in the future.

See Note 11 – “Income Taxes” for a description of federal income tax contingencies.

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Reinsurance

9 Months Ended

Sep. 30, 2015

Reinsurance Disclosures [Abstract]

Reinsurance

Reinsurance

Effective July 1, 2015, we settled our 2013 quota share reinsurance agreement ("2013 QSR Transaction") by commutation. The settlement included any premiums, losses, and profit commission. The commutation resulted in an increase in net premiums written and earned of $69.4 million and $11.6 million, respectively, and a decrease in ceding commissions of $11.6 million in the third quarter of 2015. Receipt of our profit commission of $142.5 million, in addition to other premium and loss amounts, was also completed as part of the settlement.

Effective July 1, 2015, we entered into a quota share reinsurance agreement ("2015 QSR Transaction") with a group of unaffiliated reinsurers that are the same as our 2013 QSR Transaction. Each of the reinsurers has an insurer financial strength rating of A- or better by Standard and Poor’s Rating Services, A.M. Best or both. The 2015 QSR Transaction will provide coverage on policies that were in the 2013 QSR Transaction with some exclusions; additional qualifying in force policies as of the agreement effective date which either had no history of defaults, or where a single default has been cured for twelve or more months at the agreement effective date; and all qualifying new insurance written through December 31, 2016. The agreement will provide coverage on losses incurred on or after the effective date with renewal premium through December 31, 2024, at which time the agreement expires. The 2015 QSR Transaction increases the amount of our insurance in force covered by reinsurance and will result in an increase in the amount of premiums and losses ceded. Early termination of the agreement can be elected by us effective December 31, 2018 for a fee, or under specified scenarios for no fee upon prior written notice. Further, at our sole discretion we may elect to terminate the agreement if we will receive less than 90% of the full PMIERs credit amount for the risk ceded under the 2015 QSR Transaction in any required calculation period. The structure of the 2015 QSR Transaction is a 30% quota share for all policies covered, with a 20% ceding commission as well as a profit commission. Generally, under the 2015 QSR Transaction, we will receive a profit commission provided that the loss ratio on the loans covered under the agreement remains below 60%.

A summary of our quota share reinsurance agreements, excluding captive agreements, appears below.

	2013 QSR Transaction
	Three Months Ended September 30,					Nine months ended September 30,
	2015 (1)			2014		2015 (1)			2014
	(In thousands)
Ceded premiums written, net of profit commission	$	(69,410	)	$	27,725	$	(11,355	)	$	72,414
Ceded premiums earned, net of profit commission	(11,568		)	23,736		35,999			64,330
Ceded losses incurred	—			4,689		6,060			10,347

Ceding commissions (2)	(11,568	)	9,922	10,235	27,800
Ceded unearned premiums	—		39,946	—	43,935
Profit commission	11,568		21,887	62,525	66,584

(1) The three and nine months ended September 30, 2015 include the non-recurring impact of commuting our 2013 QSR Transaction in the third quarter. The commutation had no impact on ceded losses incurred.

(2) Ceding commissions are reported within Other underwriting and operating expenses, net on the consolidated statements of operations.

	2015 QSR Transaction
	Three and Nine Months Ended September 30,
	2015
	(In thousands)
Ceded premiums written, net of profit commission (1)	$	22,626
Ceded premiums earned, net of profit commission (1)	22,626
Ceded losses incurred	4,236
Ceding commissions (2)	9,195
Profit commission	23,347

(1) As of July 1, 2015 premiums are ceded on an earned and received basis as defined in our 2015 QSR Transaction.

(2) Ceding commissions are reported within Other underwriting and operating expenses, net on the consolidated statements of

operations.

Under the terms of 2015 QSR Transaction, reinsurance premiums, ceding commission and profit commission are settled net on a quarterly basis. The reinsurance premium due after deducting the related ceding commission and profit commission is reported within "Other liabilities" on the consolidated balance sheet. For periods ending June 30, 2015 and prior, the profit commission accrued has been reported separately on the consolidated balance sheet. As of December 31, 2014, we had accrued a profit commission receivable of $91.5 million.

In the past, MGIC also obtained captive reinsurance. In a captive reinsurance arrangement, the reinsurer is affiliated with the lender for whom MGIC provides mortgage insurance. As part of our settlement with the Consumer Financial Protection Bureau (“CFPB”) in 2013 and with the Minnesota Department of Commerce (the “MN Department”) in June 2015, discussed in Note 5 – “Litigation and Contingencies” MGIC has agreed to not enter into any new captive reinsurance agreement or reinsure any new loans under any existing captive reinsurance agreement for a period of ten years subsequent to the respective settlements. In accordance with the CFPB settlement, all of our active captive arrangements were placed into run-off. In addition, at the time PMIERs become effective on December 31, 2015 the GSEs will not approve any future reinsurance or risk sharing transaction with a mortgage enterprise or an affiliate of a mortgage enterprise.

Captive agreements were generally written on an annual book of business and each captive reinsurer is required to maintain a separate trust account to support its combined reinsured risk on all annual books. MGIC is the sole beneficiary of the trusts, and the trust accounts are made up of capital deposits by the captive reinsurers, premium deposits by MGIC, and investment income earned.  These amounts are held in the trust account and are available to pay reinsured losses. The reinsurance recoverable on loss reserves related to captive agreements was $34 million at September 30, 2015 which was supported by $159 million of trust assets, while at December 31, 2014, the reinsurance recoverable on loss reserves related to captive agreements was $45 million, which was supported by $198 million of trust assets.

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Statutory Capital

9 Months Ended

Sep. 30, 2015

Statutory Capital [Abstract]

Statutory Capital

Statutory Capital

Statutory Capital Requirements

The insurance laws of 16 jurisdictions, including Wisconsin, our domiciliary state, require a mortgage insurer to maintain a minimum amount of statutory capital relative to the risk in force (or a similar measure) in order for the mortgage insurer to continue to write new business. We refer to these requirements as the “State Capital Requirements” and, together with the GSE Financial Requirements, the “Financial Requirements.” While they vary among jurisdictions, the most common State Capital Requirements allow for a maximum risk-to-capital ratio of 25 to 1. A risk-to-capital ratio will increase if (i) the percentage decrease in capital exceeds the percentage decrease in insured risk, or (ii) the percentage increase in capital is less than the percentage increase in insured risk. Wisconsin does not regulate capital by using a risk-to-capital measure but instead requires a minimum policyholder position (“MPP”). The “policyholder position” of a mortgage insurer is its net worth or surplus, contingency reserve and a portion of the reserves for unearned premiums.

At September 30, 2015, MGIC’s risk-to-capital ratio was 12.3 to 1, below the maximum allowed by the jurisdictions with State Capital Requirements, and its policyholder position was $1.1 billion above the required MPP of $1.1 billion. In calculating our risk-to-capital ratio and MPP, we are allowed full credit for the risk ceded under our reinsurance transaction with a group of unaffiliated reinsurers. It is possible that under the revised State Capital Requirements discussed below, MGIC will not be allowed full credit for the risk ceded to the reinsurers. If MGIC is not allowed an agreed level of credit under either the State Capital Requirements or the PMIERs, MGIC may terminate the reinsurance agreement, without penalty. At this time, we expect MGIC to continue to comply with the current State Capital Requirements; however, you should read the rest of these financial statement footnotes for information about matters that could negatively affect such compliance.

At September 30, 2015, the risk-to-capital ratio of our combined insurance operations (which includes reinsurance affiliates) was 13.6 to 1. Reinsurance agreements with affiliates permit MGIC to write insurance with a higher coverage percentage than it could on its own under certain state-specific requirements.  A higher risk-to-capital ratio on a combined basis may indicate that, in order for MGIC to continue to utilize reinsurance agreements with its affiliates, unless a waiver of the State Capital Requirements of Wisconsin continues to be effective, additional capital contributions to the reinsurance affiliates could be needed.

The NAIC previously announced that it plans to revise the minimum capital and surplus requirements for mortgage insurers that are provided for in its Mortgage Guaranty Insurance Model Act. A working group of state regulators is drafting the revisions, although no date has been established by which the NAIC must propose revisions to such requirements. Depending on the scope of revisions made by the NAIC, MGIC may be prevented from writing new business in the jurisdictions adopting such revisions.

If MGIC fails to meet the State Capital Requirements of Wisconsin and is unable to obtain a waiver of them from the OCI, MGIC could be prevented from writing new business in all jurisdictions. If MGIC fails to meet the State Capital Requirements of a jurisdiction other than Wisconsin and is unable to obtain a waiver of them, MGIC could be prevented from writing new business in that particular jurisdiction. It is possible that regulatory action by one or more jurisdictions, including those that do not have specific State Capital Requirements, may prevent MGIC from continuing to write new insurance in such jurisdictions.

If we are unable to write business in all jurisdictions, lenders may be unwilling to procure insurance from us anywhere. In addition, a lender’s assessment of the future ability of our insurance operations to meet the Financial Requirements may affect its willingness to procure insurance from us. A possible future failure by MGIC to meet the Financial Requirements will not necessarily mean that MGIC lacks sufficient resources to pay claims on its insurance liabilities. While we believe MGIC has sufficient claims paying resources to meet its claim obligations on its insurance in force on a timely basis, you should read the rest of these financial statement footnotes for information about matters that could negatively affect MGIC’s claims paying resources.

Statement of Statutory Accounting Principles No. 101 (“SSAP No. 101”) became effective January 1, 2012 and prescribed new standards for determining the amount of deferred tax assets that can be recognized as admitted assets for determining statutory capital. Under a permitted practice effective September 30, 2012 the OCI approved MGIC to report its net deferred tax asset as an admitted asset in an amount not to exceed 10% of adjusted surplus as regards policyholders, notwithstanding any contrary provisions of SSAP No. 101. Net deferred tax assets of $138 million were included in MGIC’s statutory capital at December 31, 2014. Due to the deferred tax asset valuation allowance reversal as of September 30, 2015, MGIC no longer relies on the permitted practice and the deferred tax asset is admitted according to the stated provisions of SSAP No. 101. Under the stated provisions of SSAP No. 101, the admitted net deferred tax asset is 15% of adjusted surplus as regards policyholders. Net deferred tax assets of $211 million were included in MGIC's statutory capital as of September 30, 2015.

See Note 1 – “Nature of Business and Basis of Presentation – Capital” for additional information regarding the capital standards of the GSEs.

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Loss Reserves

9 Months Ended

Sep. 30, 2015

Insurance Loss Reserves [Abstract]

Loss Reserves

Loss Reserves

We establish reserves to recognize the estimated liability for losses and loss adjustment expenses (“LAE”) related to defaults on insured mortgage loans. Loss reserves are established by estimating the number of loans in our inventory of delinquent loans that will result in a claim payment, which is referred to as the claim rate, and further estimating the amount of the claim payment, which is referred to as claim severity.

Estimation of losses is inherently judgmental. The conditions that affect the claim rate and claim severity include the current and future state of the domestic economy, including unemployment, and the current and future strength of local housing markets. The actual amount of the claim payments may be substantially different than our loss reserve estimates. Our estimates could be adversely affected by several factors, including a deterioration of regional or national economic conditions, including unemployment, leading to a reduction in borrower income and thus their ability to make mortgage payments, and a drop in housing values which may affect borrower willingness to continue to make mortgage payments when the value of the home is below the mortgage balance. Changes to our estimates could result in a material impact to our results of operations and capital position, even in a stable economic environment.

The following table provides a reconciliation of beginning and ending loss reserves for the nine months ended September 30, 2015 and 2014:

	Nine months ended September 30,
	2015			2014
	(In thousands)
Reserve at beginning of period	$	2,396,807		$	3,061,401
Less reinsurance recoverable	57,841			64,085
Net reserve at beginning of period	2,338,966			2,997,316
Losses incurred:
Losses and LAE incurred in respect of default notices related to:
Current year	338,611			454,390
Prior years (1)	(90,130		)	(75,387		)
Subtotal	248,481			379,003
Losses paid:
Losses and LAE paid in respect of default notices related to:
Current year	9,227			11,574
Prior years	652,465			895,061
Reinsurance terminations (2)	(15,440		)	—
Subtotal	646,252			906,635
Net reserve at end of period	1,941,195			2,469,684
Plus reinsurance recoverables	38,748			57,898
Reserve at end of period	$	1,979,943		$	2,527,582

(1) A negative number for prior year losses incurred indicates a redundancy of prior year loss reserves and a positive number for prior year losses incurred indicates a deficiency of prior year loss reserves.

(2) In a termination or commutation, the reinsurance agreement is cancelled, with no future premium ceded and funds for any incurred but unpaid losses transferred to us. The transferred funds result in an increase in our investment portfolio (including cash and cash equivalents) and a decrease in net losses paid (reduction in losses incurred). In addition, there is an offsetting decrease in the reinsurance recoverable (increase in losses incurred), and thus there is no net impact to losses incurred.

The “Losses incurred” section of the table above shows losses incurred on default notices received in the current year and in prior years.  The amount of losses incurred relating to default notices received in the current year represents the estimated amount to be ultimately paid on such default notices.  The amount of losses incurred relating to default notices received in prior years represents the actual claim rate and severity associated with those default notices resolved in the current year differing from the estimated liability at the prior year-end, as well as a re-estimation of amounts to be ultimately paid on defaults remaining in inventory from the end of the prior year.  This re-estimation of the estimated claim rate and estimated severity is the result of our review of current trends in the default inventory, such as percentages of defaults that have resulted in a claim, the amount of the claims, changes in the relative level of defaults by geography and changes in average loan exposure.

Losses incurred on default notices received in the current year decreased in the first nine months of 2015 compared to the same period in 2014, primarily due to a decrease in the number of new default notices received, net of related cures, as well as a decrease in the estimated claim rate on new delinquencies.

The prior year development of the reserves in the first nine months of 2015 and 2014 is reflected in the table below.

	Nine months ended September 30,
	2015			2014
	(In millions)
Decrease in estimated claim rate on primary defaults	$	(95	)	$	(38	)
Increase in estimated severity on primary defaults	12			(20		)
Change in estimates related to pool reserves, LAE reserves and reinsurance	(7		)	(17		)
Total prior year loss development (1)	$	(90	)	$	(75	)

(1) A negative number for prior year loss development indicates a redundancy of prior year loss reserves, and a positive number indicates a deficiency of prior year loss reserves.

For the nine months ended September 30, 2015 and 2014 we experienced favorable prior year loss reserve development. This development was primarily due to a lower claim rate on the approximately 52% and 50% of prior year default inventory that was resolved during the nine months ended September 30, 2015 and 2014, respectively.  In addition, during the first nine months of 2015, the claim rate development was favorably impacted by $21 million due to re-estimation of previously recorded reserves relating to disputes on our claims paying practices and adjustments to incurred but not reported losses (IBNR).  This favorable development was offset, in part, by an increase in the claim rate and severity on prior year defaults remaining in the delinquent inventory.

The “Losses paid” section of the table above shows the breakdown between claims paid on default notices received in the current year and claims paid on default notices received in prior years. Until a few years ago, it took, on average, approximately twelve months for a default that is not cured to develop into a paid claim. Over the past several years, the average time it takes to receive a claim associated with a default has increased. This is, in part, due to new loss mitigation protocols established by servicers and to changes in some state foreclosure laws that may include, for example, a requirement for additional review and/or mediation processes. It is difficult to estimate how long it may take for current and future defaults that do not cure to develop into paid claims.

The liability associated with our estimate of premiums to be refunded on expected claim payments is accrued for separately at September 30, 2015 and December 31, 2014 and approximated $105 million and $115 million, respectively. Separate components of this liability are included in “Other liabilities” and, for December 31, 2014, “Premium deficiency reserve” on our consolidated balance sheet. Changes in the liability affect premiums written and earned and change in premium deficiency reserve.

A rollforward of our primary default inventory for the three and nine months ended September 30, 2015 and 2014 appears in the table below. The information concerning new notices and cures is compiled from monthly reports received from loan servicers. The level of new notice and cure activity reported in a particular month can be influenced by, among other things, the date on which a servicer generates its report, the number of business days in a month and transfers of servicing between loan servicers.

	Three months ended September 30,				Nine months ended September 30,
	2015		2014		2015		2014
Default inventory at beginning of period	66,357		85,416		79,901		103,328
New notices	19,509		22,927		55,856		67,451
Cures	(17,036	)	(19,582	)	(56,700	)	(68,082	)
Paids (including those charged to a deductible or captive)	(3,958	)	(5,288	)	(12,671	)	(18,420	)
Rescissions and denials	(230	)	(319	)	(623	)	(1,123	)
Items removed from inventory resulting from the Countrywide settlement on GSE loans	—		—		(1,121	)	—
Default inventory at end of period	64,642		83,154		64,642		83,154

Pool insurance notice inventory was 2,950 at September 30, 2015 and 4,525 at September 30, 2014.

The decrease in the primary default inventory experienced during 2015 and 2014 was generally across all markets and primarily in book years 2008 and prior. As of September 30, 2015 the percentage of loans in the inventory that have been in default for 12 or more consecutive months has declined compared with the prior year end and one year prior, as shown in the table below. Historically as a default ages it becomes more likely to result in a claim. The percentage of loans that have been in default for 12 or more consecutive months and the number of loans in our primary claims received inventory have been affected by our suspended rescissions and the resolution of certain of those rescissions discussed below and in Note 5 – “Litigation and Contingencies.”

	September 30, 2015			December 31, 2014			September 30, 2014
Consecutive months in default
3 months or less	13,991	22	%	15,319	19	%	16,209	19	%
4 - 11 months	14,703	23	%	19,710	25	%	18,890	23	%
12 months or more	35,948	55	%	44,872	56	%	48,055	58	%
Total primary default inventory	64,642	100	%	79,901	100	%	83,154	100	%
Primary claims received inventory included in ending default inventory (1)	2,982	5	%	4,746	6	%	5,194	6	%

(1) Our claims received inventory includes suspended rescissions, as we have voluntarily suspended rescissions of coverage related to loans that we believed would be included in a potential resolution. As of September 30, 2015, rescissions of coverage on approximately 430 loans had been voluntarily suspended compared to 1,425 at December 31, 2014 and 1,575 at September 30, 2014.

The number of months a loan is in the default inventory can differ from the number of payments that the borrower has not made or is considered delinquent. These differences typically result from a borrower making monthly payments that do not result in the loan becoming fully current. The number of payments that a borrower is delinquent is shown in the table below.

	September 30, 2015			December 31, 2014			September 30, 2014
Number of payments delinquent
3 payments or less	20,637	32	%	23,253	29	%	23,769	28	%
4 - 11 payments	14,890	23	%	19,427	24	%	18,985	23	%
12 payments or more	29,115	45	%	37,221	47	%	40,400	49	%
Total primary default inventory	64,642	100	%	79,901	100	%	83,154	100	%

Claims paying practices

Our loss reserving methodology incorporates our estimates of future rescissions. A variance between ultimate actual rescission rates and our estimates, as a result of the outcome of litigation, settlements or other factors, could materially affect our losses.

The liability associated with our estimate of premiums to be refunded on expected future rescissions is accrued for separately. At September 30, 2015 and December 31, 2014 the estimate of this liability totaled $7 million and $28 million, respectively. Separate components of this liability are included in “Other liabilities” and, for December 31, 2014, “Premium deficiency reserve” on our consolidated balance sheets. Changes in the liability affect premiums written and earned and change in premium deficiency reserve.

For information about discussions and legal proceedings with customers with respect to our claims paying practices, including settlements that we believe are probable, as defined in ASC 450-20, see Note 5 – “Litigation and Contingencies.”

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Fair Value Measurements

9 Months Ended

Sep. 30, 2015

Fair Value Disclosures [Abstract]

Fair Value Measurements

Fair Value Measurements

In accordance with fair value guidance, we applied the following fair value hierarchy in order to measure fair value for assets and liabilities:

Level 1 – Quoted prices for identical instruments in active markets that we can access. Financial assets utilizing Level 1 inputs primarily include U.S. Treasury securities, equity securities, and Australian government and semi government securities.

Level 2 – Quoted prices for similar instruments in active markets; quoted prices for identical or similar instruments in markets that are not active; and inputs, other than quoted prices, that are observable in the marketplace for the financial instrument. The observable inputs are used in valuation models to calculate the fair value of the financial instruments. Financial assets utilizing Level 2 inputs primarily include obligations of U.S. government corporations and agencies and certain municipal and corporate bonds.

Level 3 – Valuations are derived from valuation techniques in which one or more significant inputs or value drivers are unobservable or are par values for equity securities restricted in their ability to be redeemed or sold. Level 3 inputs reflect our own assumptions about the assumptions a market participant would use in pricing an asset or liability. Financial assets utilizing Level 3 inputs primarily include equity securities that can only be redeemed or sold at their par value and only to the security issuer and certain state premium tax credit investments. The state premium tax credit investments have an average maturity of less than 3 years, credit ratings of AA+ or higher, and their balance reflects their remaining scheduled payments discounted at an average annual rate of 7.2%. Our non-financial assets that are classified as Level 3 securities consist of real estate acquired through claim settlement. The fair value of real estate acquired is the lower of our acquisition cost or a percentage of the appraised value. The percentage applied to the appraised value is based upon our historical sales experience adjusted for current trends.

To determine the fair value of securities available-for-sale in Level 1 and Level 2 of the fair value hierarchy, independent pricing sources have been utilized. One price is provided per security based on observable market data. To ensure securities are appropriately classified in the fair value hierarchy, we review the pricing techniques and methodologies of the independent pricing sources and believe that their policies adequately consider market activity, either based on specific transactions for the issue valued or based on modeling of securities with similar credit quality, duration, yield and structure that were recently traded. A variety of inputs are utilized by the independent pricing sources including benchmark yields, reported trades, non-binding broker/dealer quotes, issuer spreads, two sided markets, benchmark securities, bids, offers and reference data including data published in market research publications. Inputs may be weighted differently for any security, and not all inputs are used for each security evaluation. Market indicators, industry and economic events are also considered. This information is evaluated using a multidimensional pricing model.  Quality controls are performed by the independent pricing sources throughout this process, which include reviewing tolerance reports, trading information and data changes, and directional moves compared to market moves. This model combines all inputs to arrive at a value assigned to each security.  In addition, on a quarterly basis, we perform quality controls over values received from the pricing sources which include reviewing tolerance reports, trading information and data changes, and directional moves compared to market moves. We have not made any adjustments to the prices obtained from the independent pricing sources.

Fair value measurements for assets measured at fair value included the following as of September 30, 2015 and December 31, 2014:

September 30, 2015	Total Fair Value		Quoted Prices  in Active  Markets for  Identical Assets  (Level 1)		Significant  Other  Observable  Inputs  (Level 2)		Significant  Unobservable Inputs  (Level 3)
	(In thousands)
U.S. Treasury securities and obligations of U.S. government corporations and  agencies	$	104,966	$	18,418	$	86,548	$	—
Obligations of U.S. states and political subdivisions	1,612,521		—		1,611,134		1,387
Corporate debt securities	2,120,572		—		2,120,572		—
Asset-backed securities	132,537		—		132,537		—
Residential mortgage-backed securities	271,471		—		271,471		—
Commercial mortgage-backed securities	252,687		—		252,687		—
Collateralized loan obligations	60,286		—		60,286		—
Debt securities issued by foreign sovereign governments	33,291		33,291		—		—
Total debt securities	4,588,331		51,709		4,535,235		1,387
Equity securities (1)	5,634		2,778		—		2,856
Total investment portfolio	$	4,593,965	$	54,487	$	4,535,235	$	4,243
Real estate acquired (2)	$	10,084	$	—	$	—	$	10,084

December 31, 2014	Total Fair Value		Quoted Prices in Active Markets for Identical Assets  (Level 1)		Significant Other Observable Inputs  (Level 2)		Significant Unobservable Inputs  (Level 3)
	(In thousands)
U.S. Treasury securities and obligations  of U.S. government corporations and   agencies	$	346,775	$	188,824	$	157,951	$	—
Obligations of U.S. states and political  subdivisions	855,142		—		853,296		1,846
Corporate debt securities	2,425,281		—		2,425,281		—
Asset-backed securities	286,655		—		286,655		—
Residential mortgage-backed securities	321,237		—		321,237		—
Commercial mortgage-backed securities	275,278		—		275,278		—
Collateralized loan obligations	60,076		—		60,076		—
Debt securities issued by foreign  sovereign governments	39,170		39,170		—		—
Total debt securities	4,609,614		227,994		4,379,774		1,846
Equity securities (1)	3,055		2,734		—		321
Total investment portfolio	$	4,612,669	$	230,728	$	4,379,774	$	2,167
Real estate acquired (2)	$	12,658	$	—	$	—	$	12,658

(1) Equity securities in Level 3 are carried at cost, which approximates fair value.

(2) Real estate acquired through claim settlement, which is held for sale, is reported in Other assets on the consolidated balance sheets.

There were no transfers of securities between Level 1 and Level 2 during the first nine months of 2015.

For assets measured at fair value using significant unobservable inputs (Level 3), a reconciliation of the beginning and ending balances for the three and nine months ended September 30, 2015 and 2014 is as follows:

	Debt  Securities			Equity  Securities		Total Investments			Real Estate  Acquired
	(In thousands)
Balance at June 30, 2015	$	1,634		$	321	$	1,955		$	7,995
Total realized/unrealized gains (losses):
Included in earnings and reported as losses incurred, net	—			—		—			(1,031		)
Purchases	—			2,535		2,535			9,632
Sales	(247		)	—		(247		)	(6,512		)
Transfers into Level 3	—			—		—			—
Transfers out of Level 3	—			—		—			—
Balance at September 30, 2015	$	1,387		$	2,856	$	4,243		$	10,084
Amount of total losses included in earnings for the three months ended September 30, 2015 attributable to the change in  unrealized losses on assets still held at September 30, 2015	$	—		$	—	$	—		$	—

	Debt  Securities			Equity  Securities		Total Investments			Real Estate Acquired
	(In thousands)
Balance at December 31, 2014	$	1,846		$	321	$	2,167		$	12,658
Total realized/unrealized gains (losses):
Included in earnings and reported as losses incurred, net	—			—		—			(1,503		)
Purchases	7			2,535		2,542			26,346
Sales	(466		)	—		(466		)	(27,417		)
Transfers into Level 3	—			—		—			—
Transfers out of Level 3	—			—		—			—
Balance at September 30, 2015	$	1,387		$	2,856	$	4,243		$	10,084
Amount of total losses included in earnings for the nine months ended September 30, 2015 attributable to the change in unrealized losses on assets still held at September 30, 2015	$	—		$	—	$	—		$	—

	Debt  Securities			Equity Securities		Total Investments			Real Estate Acquired
	(In thousands)
Balance at June 30, 2014	$	2,231		$	321	$	2,552		$	10,804
Total realized/unrealized gains (losses):
Included in earnings and reported as losses incurred, net	—			—		—			(2,062		)
Purchases	—			—		—			14,107
Sales	(237		)	—		(237		)	(6,284		)
Transfers into Level 3	—			—		—			—
Transfers out of Level 3	—			—		—			—
Balance at September 30, 2014	$	1,994		$	321	$	2,315		$	16,565
Amount of total losses included in earnings for the three months ended September 30, 2014 attributable to the change in  unrealized losses on assets still held at September 30, 2014	$	—		$	—	$	—		$	—

	Debt  Securities			Equity Securities		Total Investments			Real Estate Acquired
	(In thousands)
Balance at December 31, 2013	$	2,423		$	321	$	2,744		$	13,280
Total realized/unrealized gains (losses):
Included in earnings and reported as losses incurred, net	—			—		—			(4,378		)
Purchases	30			—		30			33,484
Sales	(459		)	—		(459		)	(25,821		)
Transfers into Level 3	—			—		—			—
Transfers out of Level 3	—			—		—			—
Balance at September 30, 2014	$	1,994		$	321	$	2,315		$	16,565
Amount of total losses included in earnings for the nine months ended September 30, 2014 attributable to the change in unrealized losses on assets still held at September 30, 2014	$	—		$	—	$	—		$	—

Authoritative guidance over disclosures about the fair value of financial instruments requires additional disclosure for financial instruments not measured at fair value. Certain financial instruments, including insurance contracts, are excluded from these fair value disclosure requirements. The carrying values of cash and cash equivalents (Level 1) and accrued investment income (Level 2) approximated their fair values.

Additional fair value disclosures related to our investment portfolio are included in Note 7 – “Investments.”

We incur financial liabilities in the normal course of our business. The following tables present the carrying value and fair value of our financial liabilities disclosed, but not carried, at fair value at September 30, 2015 and December 31, 2014, and the level within the fair value hierarchy at which such liabilities are measured on a recurring basis.

September 30, 2015	Par  Value		Total Fair Value		Quoted Prices in Active Markets for Identical Assets  (Level 1)		Significant Other Observable Inputs  (Level 2)		Significant Unobservable Inputs  (Level 3)
	(In thousands)
Financial liabilities:
Senior Notes	$	61,953	$	62,027	$	—	$	62,027	$	—
Convertible Senior Notes due 2017	345,000		366,749		—		366,749		—
Convertible Senior Notes due 2020	500,000		719,375		—		719,375		—
Convertible Junior Subordinated Debentures	389,522		485,648		—		485,648		—
Total Debt	$	1,296,475	$	1,633,799	$	—	$	1,633,799	$	—

December 31, 2014	Par  Value		Total Fair Value		Quoted Prices in Active Markets for Identical Assets  (Level 1)		Significant Other Observable  Inputs  (Level 2)		Significant Unobservable  Inputs  (Level 3)
	(In thousands)
Financial liabilities:
Senior Notes	$	61,953	$	63,618	$	—	$	63,618	$	—
Convertible Senior Notes due 2017	345,000		387,997		—		387,997		—
Convertible Senior Notes due 2020	500,000		735,075		—		735,075		—
Convertible Junior Subordinated Debentures	389,522		500,201		—		500,201		—
Total Debt	$	1,296,475	$	1,686,891	$	—	$	1,686,891	$	—

The fair values of our Senior Notes, Convertible Senior Notes and Debentures were determined using available pricing for these notes or debentures and are considered Level 2 securities.

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Earnings per Share

9 Months Ended

Sep. 30, 2015

Earnings Per Share [Abstract]

Earnings per Share

Earnings per Share

Basic earnings per share (“EPS”) is calculated by dividing net income by the weighted average number of common shares outstanding during the reporting period. Diluted EPS includes the components of basic EPS and also gives effect to dilutive common equivalent shares outstanding during the reporting period. We calculate diluted EPS using the treasury stock method for unvested restricted stock, and the if-converted method for convertible debt instruments. For unvested restricted stock, assumed proceeds under the treasury stock method would include unamortized compensation expense and windfall tax benefits or shortfalls. The determination of potentially issuable shares from our convertible debt instruments does not consider satisfaction of the conversion requirements and the shares are included in the determination of diluted EPS as of the beginning of the period, if dilutive. In addition, interest expense, net of tax, related to dilutive convertible debt instruments is added back to earnings in calculating diluted EPS.

The following table reconciles the numerators and denominators used to calculate basic and diluted EPS and also indicates the number of antidilutive securities.

	Three months ended September 30,				Nine months ended September 30,
	2015		2014		2015		2014
	(In thousands, except per share data and as otherwise noted)
Basic earnings per share:
Net income	$	822,852	$	72,017	$	1,069,582	$	177,521
Weighted average common shares outstanding	339,701		338,626		339,504		338,488
Basic income per share	$	2.42	$	0.21	$	3.15	$	0.52
Diluted earnings per share:
Net income	$	822,852	$	72,017	$	1,069,582	$	177,521
Interest expense, net of tax (1):
2% Convertible Senior Notes due 2020	1,982		3,049		5,946		9,148
5% Convertible Senior Notes due 2017	3,050		—		9,150		—
9% Convertible Junior Subordinated Debentures due 2063	5,697		—		17,090		—
Diluted income available to common shareholders	$	833,581	$	75,066	$	1,101,768	$	186,669

Weighted average shares - basic	339,701		338,626		339,504		338,488
Effect of dilutive securities:
Unvested restricted stock units	1,983		3,008		2,128		3,043
2% Convertible Senior Notes due 2020	71,942		71,942		71,942		71,942
5% Convertible Senior Notes due 2017	25,670		—		25,670		—
9% Convertible Junior Subordinated Debentures due 2063	28,853		—		28,853		—
Weighted average shares - diluted	468,149		413,576		468,097		413,473
Diluted income per share	$	1.78	$	0.18	$	2.35	$	0.45
Antidilutive securities (in millions)	—		54.5		—		54.5

(1) Due to the valuation allowance recorded against deferred tax assets, the three and nine months ended September 30, 2014 were not tax effected. The three and nine months ended September 30, 2015 have been tax effected at a rate of 35%.

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Investments

9 Months Ended

Sep. 30, 2015

Investments [Abstract]

Investments

Investments

The amortized cost, gross unrealized gains and losses and fair value of the investment portfolio at September 30, 2015 and December 31, 2014 are shown below.

September 30, 2015	Amortized Cost		Gross  Unrealized Gains		Gross Unrealized Losses (1)			Fair Value
	(In thousands)
U.S. Treasury securities and obligations of U.S. government corporations and agencies	$	104,419	$	2,287	$	(1,740	)	$	104,966
Obligations of U.S. states and political subdivisions	1,595,458		24,306		(7,243		)	1,612,521
Corporate debt securities	2,142,500		7,722		(29,650		)	2,120,572
Asset-backed securities	132,271		346		(80		)	132,537
Residential mortgage-backed securities	278,737		275		(7,541		)	271,471
Commercial mortgage-backed securities	253,143		1,048		(1,504		)	252,687
Collateralized loan obligations	61,342		—		(1,056		)	60,286
Debt securities issued by foreign sovereign governments	30,477		2,876		(62		)	33,291
Total debt securities	4,598,347		38,860		(48,876		)	4,588,331
Equity securities	5,595		52		(13		)	5,634
Total investment portfolio	$	4,603,942	$	38,912	$	(48,889	)	$	4,593,965

December 31, 2014	Amortized  Cost		Gross  Unrealized  Gains		Gross Unrealized  Losses (1)			Fair Value
	(In thousands)
U.S. Treasury securities and obligations of U.S. government corporations and agencies	$	349,153	$	2,752	$	(5,130	)	$	346,775
Obligations of U.S. states and political subdivisions	844,942		12,961		(2,761		)	855,142
Corporate debt securities	2,418,991		16,325		(10,035		)	2,425,281
Asset-backed securities	286,260		535		(140		)	286,655
Residential mortgage-backed securities	329,983		254		(9,000		)	321,237
Commercial mortgage-backed securities	276,215		1,221		(2,158		)	275,278
Collateralized loan obligations	61,340		—		(1,264		)	60,076
Debt securities issued by foreign sovereign governments	35,630		3,540		—			39,170
Total debt securities	4,602,514		37,588		(30,488		)	4,609,614
Equity securities	3,003		61		(9		)	3,055
Total investment portfolio	$	4,605,517	$	37,649	$	(30,497	)	$	4,612,669

(1) At September 30, 2015 and December 31, 2014, there were no other-than-temporary impairment losses recorded in other comprehensive income.

Our foreign investments primarily consist of the investment portfolio supporting our Australian domiciled subsidiary. This portfolio is comprised of Australian government and semi government securities, representing 86% of the market value of our foreign investments with the remainder invested in corporate securities and cash equivalents with allocations of 10% and 4%, respectively. Eighty-seven percent of the Australian portfolio is rated AAA or its equivalent, by one or more of Moody’s, Standard & Poor’s and Fitch Ratings, and the remaining 13% is rated AA or its equivalent.

The amortized cost and fair values of debt securities at September 30, 2015, by contractual maturity, are shown below. Expected maturities will differ from contractual maturities because borrowers may have the right to call or prepay obligations with or without call or prepayment penalties. Because most asset-backed and mortgage-backed securities and collateralized loan obligations provide for periodic payments throughout their lives, they are listed below in separate categories.

September 30, 2015	Amortized Cost		Fair Value
	(In thousands)
Due in one year or less	$	191,371	$	192,007
Due after one year through five years	1,611,819		1,622,178
Due after five years through ten years	1,130,625		1,113,217
Due after ten years	939,039		943,948
	$	3,872,854	$	3,871,350
Asset-backed securities	132,271		132,537
Residential mortgage-backed securities	278,737		271,471
Commercial mortgage-backed securities	253,143		252,687
Collateralized loan obligations	61,342		60,286
Total at September 30, 2015	$	4,598,347	$	4,588,331

At September 30, 2015 and December 31, 2014, the investment portfolio had gross unrealized losses of $48.9 million and $30.5 million, respectively.  For those securities in an unrealized loss position, the length of time the securities were in such a position, as measured by their month-end fair values, is as follows:

	Less Than 12 Months				12 Months or Greater				Total
September 30, 2015	Fair Value		Unrealized Losses		Fair Value		Unrealized Losses		Fair Value		Unrealized Losses
	(In thousands)
U.S. Treasury securities and obligations of U.S. government corporations and agencies	$	25,781	$	295	$	15,534	$	1,445	$	41,315	$	1,740
Obligations of U.S. states and political   subdivisions	231,647		6,626		43,865		617		275,512		7,243
Corporate debt securities	1,045,477		27,190		140,995		2,460		1,186,472		29,650
Asset-backed securities	36,920		64		5,567		16		42,487		80
Residential mortgage-backed securities	39,870		414		201,435		7,127		241,305		7,541
Commercial mortgage-backed securities	74,403		698		79,411		806		153,814		1,504
Collateralized loan obligations	—		—		60,286		1,056		60,286		1,056
Foreign government securities	2,177		62		—		—		2,177		62
Equity securities	319		4		173		9		492		13
Total	$	1,456,594	$	35,353	$	547,266	$	13,536	$	2,003,860	$	48,889

	Less Than 12 Months				12 Months or Greater				Total
December 31, 2014	Fair Value		Unrealized  Losses		Fair Value		Unrealized Losses		Fair Value		Unrealized  Losses
	(In thousands)
U.S. Treasury securities and obligations of U.S. government corporations and agencies	$	58,166	$	138	$	232,351	$	4,992	$	290,517	$	5,130
Obligations of U.S. states and political   subdivisions	166,408		1,066		114,465		1,695		280,873		2,761
Corporate debt securities	816,555		5,259		243,208		4,776		1,059,763		10,035
Asset-backed securities	54,491		80		11,895		60		66,386		140
Residential mortgage-backed securities	24,168		34		263,002		8,966		287,170		9,000
Commercial mortgage-backed securities	89,301		810		110,652		1,348		199,953		2,158
Collateralized loan obligations	—		—		60,076		1,264		60,076		1,264
Equity securities	167		1		235		8		402		9
Total	$	1,209,256	$	7,388	$	1,035,884	$	23,109	$	2,245,140	$	30,497

The unrealized losses in all categories of our investments at September 30, 2015 and December 31, 2014 were primarily caused by the difference in interest rates at each respective period, compared to interest rates at the time of purchase. There were 369 and 423 securities in an unrealized loss position at September 30, 2015 and December 31, 2014, respectively.

During each of the three and nine months ended September 30, 2015 and 2014 there were no other-than-temporary impairments (“OTTI”) recognized. The net realized investment gains (losses) on the investment portfolio are as follows:

	Three Months Ended September 30,				Nine Months Ended September 30,
	2015		2014		2015		2014
	(In thousands)
Realized investment gains (losses) on investments:
Fixed maturities	$	638	$	629	$	27,123	$	755
Equity securities	2		3		10		168
Net realized investment gains	$	640	$	632	$	27,133	$	923

	Three Months Ended September 30,						Nine Months Ended September 30,
	2015			2014			2015			2014
	(In thousands)
Realized investment gains (losses) on investments:
Gains on sales	$	720		$	1,161		$	28,711		$	3,273
Losses on sales	(80		)	(529		)	(1,578		)	(2,350		)
Net realized investment gains	$	640		$	632		$	27,133		$	923

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Other Comprehensive Income

9 Months Ended

Sep. 30, 2015

Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract]

Other Comprehensive Income

Other Comprehensive Income

The pretax components of our other comprehensive income (loss) and the related income tax (expense) benefit for the three and nine months ended September 30, 2015 and 2014 are included in the tables below.

	Three Months Ended September 30,
	2015			2014
	(In thousands)
Net unrealized holding gains (losses) arising during the period	$	27,271		$	(17,377	)
Income tax (expense) benefit	(9,531		)	6,069
Valuation allowance (1)	77,555			(5,993		)
Net of taxes	95,295			(17,301		)
Net changes in benefit plan assets and obligations	(546		)	(1,732		)
Income tax benefit	192			606
Valuation allowance (1)	(7,001		)	(606		)
Net of taxes	(7,355		)	(1,732		)
Net changes in unrealized foreign currency translation adjustment	(3,724		)	(3,835		)
Income tax benefit	1,306			1,345
Valuation allowance (1)	(529		)	—
Net of taxes	(2,947		)	(2,490		)
Total other comprehensive income (loss)	23,001			(22,944		)
Total income tax benefit, net of valuation allowance	61,992			1,421
Total other comprehensive income (loss), net of tax	$	84,993		$	(21,523	)

	Nine Months Ended September 30,
	2015			2014
	(In thousands)
Net unrealized holding (losses) gains arising during the period	$	(17,126	)	$	67,102
Income tax benefit (expense)	5,955			(23,436		)
Valuation allowance (1)	62,383			23,132
Net of taxes	51,212			66,798
Net changes in benefit plan assets and obligations	(1,638		)	(5,198		)
Income tax benefit	574			1,819
Valuation allowance (1)	(7,383		)	(1,819		)
Net of taxes	(8,447		)	(5,198		)
Net changes in unrealized foreign currency translation adjustment	(6,228		)	(1,000		)
Income tax benefit	2,186			350
Valuation allowance (1)	(529		)	—
Net of taxes	(4,571		)	(650		)
Total other comprehensive (loss) income	(24,992		)	60,904
Total income tax benefit, net of valuation allowance	63,186			46
Total other comprehensive income, net of tax	$	38,194		$	60,950

(1) See Note 11 – “Income Taxes” for a discussion of the valuation allowance recorded against deferred tax assets.

The pretax and related income tax (expense) benefit components of the amounts reclassified from our accumulated other comprehensive loss to our consolidated statements of operations for the three and nine months ended September 30, 2015 and 2014 are included in the tables below.

	Three Months Ended September 30,
	2015			2014
	(In thousands)
Reclassification adjustment for net realized gains (losses) included in net income	$	(1,120	)	$	(840	)
Income tax benefit	395			299
Valuation allowance	(413		)	(330		)
Net of taxes	(1,138		)	(871		)
Reclassification adjustment related to benefit plan assets and obligations	546			1,732
Income tax expense	(192		)	(606		)
Valuation allowance	192			606
Net of taxes	546			1,732
Total reclassifications	(574		)	892
Total income tax expense, net of valuation allowance	(18		)	(31		)
Total reclassifications, net of tax	$	(592	)	$	861

	Nine Months Ended September 30,
	2015			2014
	(In thousands)
Reclassification adjustment for net realized gains (losses) included in net income (1)	$	10,591		$	(5,725	)
Income tax (expense) benefit	(3,697		)	2,014
Valuation allowance	3,635			(2,075		)
Net of taxes	10,529			(5,786		)
Reclassification adjustment related to benefit plan assets and obligations	1,638			5,198
Income tax expense	(574		)	(1,819		)
Valuation allowance	574			1,819
Net of taxes	1,638			5,198
Total reclassifications	12,229			(527		)
Total income tax expense, net of valuation allowance	(62		)	(61		)
Total reclassifications, net of tax	$	12,167		$	(588	)

(1) The reclassification adjustment for the nine months ended September 30, 2014 has been recast to conform to the 2015 method for determining amounts included in net income. This revision had no impact to our consolidated financial statements and is not material to amounts disclosed by us in prior periods.

Changes in our accumulated other comprehensive loss (“AOCL”), including amounts reclassified from other comprehensive income (loss), for the nine months ended September 30, 2015 are included in the table below.

	Nine Months Ended September 30, 2015
	Unrealized gains and losses on available-for- sale securities				Defined benefit plans				Foreign currency translation			Total accumulated other comprehensive loss
	(In thousands)
Balance at December 31, 2014, net of tax	$	(57,551	)		$	(28,938	)		$	5,148		$	(81,341	)
Other comprehensive income (loss) before reclassifications	61,741				(6,809		)		(4,571		)	50,361
Less: Amounts reclassified from AOCL	10,529			(1)	1,638			(2)	—			12,167
Balance at September 30, 2015, net of tax	$	(6,339	)		$	(37,385	)		$	577		$	(43,147	)

(1) Increases Net realized investment gains on the consolidated statements of operations.

(2) Decreases Other underwriting and operating expenses, net on the consolidated statements of operations.

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Stock-Based Compensation (Tables)

9 Months Ended

Sep. 30, 2015

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Schedule of stock-based compensation, activity

The number of shares granted to employees and the weighted average fair value per share during the periods presented were (shares in thousands):

	Nine months ended September 30,
	2015			2014
	Shares Granted	Weighted Average Share Fair Value		Shares Granted	Weighted Average Share Fair Value
RSUs subject to performance conditions	1,144	$	9.04	1,372	$	8.43
RSUs subject only to service conditions	410	8.99		409	8.43

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Shareholders' Equity (Details)	9 Months Ended
	Sep. 30, 2015 $ / shares $ / unit shares
Class of Warrant or Right [Line Items]
Common stock, beneficial ownership threshold to be considered an Acquiring Person (in hundredths)	5.00%
Shareholder rights accompanying each outstanding share of the company's common stock (in number of Rights)	1
Purchase price (in dollars per share) | $ / shares	$ 45
Purchase price (in dollars per one-tenth share) | $ / shares	$ 4.50
Redemption price (in dollars per Right) | $ / unit	0.001
Distribution date, description	The earlier of ten days after a public announcement that a person has become an Acquiring Person, or ten business days after a person announces or begins a tender offer in which consummation of such offer would result in a person becoming an Acquiring Person
Common shares purchasable per Right (in shares)	0.1
Rights
Class of Warrant or Right [Line Items]
Number of rights per outstanding share of common stock	1
Period after public announcement that a person has become an acquirer	10 days
Period after a person announces a tender offer which would make them an acquirer	10 days

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Shareholders' Equity

9 Months Ended

Sep. 30, 2015

Stockholders' Equity Note [Abstract]

Shareholders' Equity

Shareholders’ Equity

Our Shareholders Rights Agreement dated July 25, 2012, which was approved by shareholders, was amended and restated on July 23, 2015 (the “Agreement”). The Agreement seeks to diminish the risk that our ability to use our net operating losses (“NOLs”) to reduce potential future federal income tax obligations may become substantially limited and to deter certain abusive takeover practices. The benefit of the NOLs would be substantially limited, and the timing of the usage of the NOLs could be substantially delayed, if we were to experience an “ownership change” as defined by Section 382 of the Internal Revenue Code.

Under the Agreement each outstanding share of our Common Stock is accompanied by one Right. The Distribution Date occurs on the earlier of ten days after a public announcement that a person has become an Acquiring Person, or ten business days after a person announces or begins a tender offer in which consummation of such offer would result in a person becoming an Acquiring Person. An Acquiring Person is any person that becomes, by itself or together with its affiliates and associates, a beneficial owner of 5% or more of the shares of our Common Stock then outstanding, but excludes, among others, certain exempt and grandfathered persons as defined in the Agreement. The Rights are not exercisable until the Distribution Date. Each Right will initially entitle shareholders to buy one-tenth of one share of our Common Stock at a Purchase Price of $45 per full share (equivalent to $4.50 for each one-tenth share), subject to adjustment. Each exercisable Right (subject to certain limitations) will entitle its holder to purchase, at the Rights’ then-current Purchase Price, a number of our shares of Common Stock (or if after the Shares Acquisition Date, we are acquired in a business combination, common shares of the acquiror) having a market value at the time equal to twice the Purchase Price. The Rights will expire on August 1, 2018, or earlier as described in the Agreement. The Rights are redeemable at a price of $0.001 per Right at any time prior to the time a person becomes an Acquiring Person. Other than certain amendments, the Board of Directors may amend the Rights in any respect without the consent of the holders of the Rights.

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Reinsurance (Tables)

9 Months Ended

Sep. 30, 2015

Reinsurance Disclosures [Abstract]

Effect of reinsurance agreement

A summary of our quota share reinsurance agreements, excluding captive agreements, appears below.

	2013 QSR Transaction
	Three Months Ended September 30,					Nine months ended September 30,
	2015 (1)			2014		2015 (1)			2014
	(In thousands)
Ceded premiums written, net of profit commission	$	(69,410	)	$	27,725	$	(11,355	)	$	72,414
Ceded premiums earned, net of profit commission	(11,568		)	23,736		35,999			64,330
Ceded losses incurred	—			4,689		6,060			10,347

Ceding commissions (2)	(11,568	)	9,922	10,235	27,800
Ceded unearned premiums	—		39,946	—	43,935
Profit commission	11,568		21,887	62,525	66,584

(1) The three and nine months ended September 30, 2015 include the non-recurring impact of commuting our 2013 QSR Transaction in the third quarter. The commutation had no impact on ceded losses incurred.

(2) Ceding commissions are reported within Other underwriting and operating expenses, net on the consolidated statements of operations.

	2015 QSR Transaction
	Three and Nine Months Ended September 30,
	2015
	(In thousands)
Ceded premiums written, net of profit commission (1)	$	22,626
Ceded premiums earned, net of profit commission (1)	22,626
Ceded losses incurred	4,236
Ceding commissions (2)	9,195
Profit commission	23,347

(1) As of July 1, 2015 premiums are ceded on an earned and received basis as defined in our 2015 QSR Transaction.

(2) Ceding commissions are reported within Other underwriting and operating expenses, net on the consolidated statements of

operations.

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Loss Reserves (Details) $ in Thousands		3 Months Ended		9 Months Ended
		Sep. 30, 2015 USD ($) loan	Sep. 30, 2014 USD ($) loan	Sep. 30, 2015 USD ($) loan	Sep. 30, 2014 USD ($) loan	Sep. 30, 2015 USD ($) loan	Dec. 31, 2014 USD ($) loan	Sep. 30, 2014 loan
Loss Reserve [Roll Forward]
Reserve at beginning of period				$ 2,396,807	$ 3,061,401
Less reinsurance recoverable				57,841	64,085
Net reserve at beginning of period				2,338,966	2,997,316
Losses and LAE incurred in respect of default notices related to [Abstract]
Current year				338,611	454,390
Change in loss reserves	[1],[2]			(90,130)	(75,387)
Subtotal				248,481	379,003
Losses and LAE paid in respect of default notices related to [Abstract]
Current year				9,227	11,574
Prior years				652,465	895,061
Reinsurance terminations	[3]			(15,440)	0
Subtotal				646,252	906,635
Net reserve at end of period		$ 1,941,195	$ 2,469,684	1,941,195	2,469,684
Plus reinsurance recoverables		38,748	57,898	38,748	57,898
Reserve at end of period		$ 1,979,943	$ 2,527,582	1,979,943	2,527,582
Causes of Increase (Decrease) in Liability for Unpaid Claims and Claims Adjustment Expense [Line Items]
Change in loss reserves	[1],[2]			$ (90,130)	$ (75,387)
Premium refund liability, expected claim payments						$ 105,000	$ 115,000
Primary Default Inventory [Roll Forward]
Default inventory at the beginning of period | loan		66,357	85,416	79,901	103,328
New notices | loan		19,509	22,927	55,856	67,451
Cures | loan		(17,036)	(19,582)	(56,700)	(68,082)
Paids (including those charged to a deductible or captive) | loan		(3,958)	(5,288)	(12,671)	(18,420)
Rescissions and denials | loan		(230)	(319)	(623)	(1,123)
Items removed from inventory resulting from the Countrywide settlement on GSE loans | loan		0	0	(1,121)	0
Default inventory at end of period | loan		64,642	83,154	64,642	83,154
Pool insurance notice inventory [Abstract]
Pool insurance notice inventory (in number of loans) | loan						2,950		4,525
Historical average period for uncured default to develop into paid claim				12 months
Aging of the Primary Default Inventory [Abstract]
3 months or less | loan						13,991	15,319	16,209
3 months or less (in hundredths)						22.00%	19.00%	19.00%
4 - 11 months | loan						14,703	19,710	18,890
4 - 11 months (in hundredths)						23.00%	25.00%	23.00%
12 months or more | loan						35,948	44,872	48,055
12 months or more (in hundredths)						55.00%	56.00%	58.00%
Total primary default inventory | loan		66,357	85,416	79,901	103,328	64,642	79,901	83,154
Total primary default inventory (in hundredths)						100.00%	100.00%	100.00%
Primary claims received inventory included in ending default inventory | loan	[4]					2,982	4,746	5,194
Primary claims received inventory included in ending default inventory (in hundredths)	[4]					5.00%	6.00%	6.00%
Number of rescindable loans affected by Company's decision to voluntarily suspend rescissions | loan						430	1,425	1,575
Number of payments delinquent [Abstract]
3 payments or less | loan						20,637	23,253	23,769
3 payments or less (in hundredths)						32.00%	29.00%	28.00%
4 - 11 payments | loan						14,890	19,427	18,985
4 - 11 payments (in hundredths)						23.00%	24.00%	23.00%
12 payments or more | loan						29,115	37,221	40,400
12 payments or more (in hundredths)						45.00%	47.00%	49.00%
Total primary default inventory | loan		66,357	85,416	79,901	103,328	64,642	79,901	83,154
Total primary default inventory (in hundredths)						100.00%	100.00%	100.00%
Premium refund liability, expected future rescissions						$ 7,000	$ 28,000
Decrease in estimated claim rate on primary defaults
Losses and LAE incurred in respect of default notices related to [Abstract]
Change in loss reserves				$ (95,000)	$ (38,000)
Causes of Increase (Decrease) in Liability for Unpaid Claims and Claims Adjustment Expense [Line Items]
Change in loss reserves				$ (95,000)	$ (38,000)
Percentage of prior year default inventory resolved (in hundredths)				52.00%	50.00%
Increase in estimated severity on primary defaults
Losses and LAE incurred in respect of default notices related to [Abstract]
Change in loss reserves				$ 12,000	$ (20,000)
Causes of Increase (Decrease) in Liability for Unpaid Claims and Claims Adjustment Expense [Line Items]
Change in loss reserves				12,000	(20,000)
Change in estimates related to pool reserves, LAE reserves and reinsurance
Losses and LAE incurred in respect of default notices related to [Abstract]
Change in loss reserves				(7,000)	(17,000)
Causes of Increase (Decrease) in Liability for Unpaid Claims and Claims Adjustment Expense [Line Items]
Change in loss reserves				(7,000)	$ (17,000)
Change in estimates related to disputes on claims paying practices and IBNR
Losses and LAE incurred in respect of default notices related to [Abstract]
Change in loss reserves				21,000
Causes of Increase (Decrease) in Liability for Unpaid Claims and Claims Adjustment Expense [Line Items]
Change in loss reserves				$ 21,000

[1] A negative number for prior year loss development indicates a redundancy of prior year loss reserves, and a positive number indicates a deficiency of prior year loss reserves.

[2] A negative number for prior year losses incurred indicates a redundancy of prior year loss reserves and a positive number for prior year losses incurred indicates a deficiency of prior year loss reserves.

[3] In a termination or commutation, the reinsurance agreement is cancelled, with no future premium ceded and funds for any incurred but unpaid losses transferred to us. The transferred funds result in an increase in our investment portfolio (including cash and cash equivalents) and a decrease in net losses paid (reduction in losses incurred). In addition, there is an offsetting decrease in the reinsurance recoverable (increase in losses incurred), and thus there is no net impact to losses incurred.

[4] Our claims received inventory includes suspended rescissions, as we have voluntarily suspended rescissions of coverage related to loans that we believed would be included in a potential resolution. As of September 30, 2015, rescissions of coverage on approximately 430 loans had been voluntarily suspended compared to 1,425 at December 31, 2014 and 1,575 at September 30, 2014.

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Investments - Amortized Cost and Fair Values of Debt Securities (Details) - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Maturities, Amortized Cost [Abstract]
Due in one year or less	$ 191,371
Due after one year through five years	1,611,819
Due after five years through ten years	1,130,625
Due after ten years	939,039
Total debt securities with single maturity date, amortized cost	3,872,854
Total at end of period	4,598,347	$ 4,602,514
Maturities, Fair Value [Abstract]
Due in one year or less	192,007
Due after one year through five years	1,622,178
Due after five years through ten years	1,113,217
Due after ten years	943,948
Total debt securities with single maturity date, fair value	3,871,350
Total at end of period	4,588,331	$ 4,609,614
Asset-backed securities
Maturities, Amortized Cost [Abstract]
Total debt securities with single maturity date, amortized cost	132,271
Maturities, Fair Value [Abstract]
Total debt securities with single maturity date, fair value	132,537
Residential mortgage-backed securities
Maturities, Amortized Cost [Abstract]
Total debt securities with single maturity date, amortized cost	278,737
Maturities, Fair Value [Abstract]
Total debt securities with single maturity date, fair value	271,471
Commercial mortgage-backed securities
Maturities, Amortized Cost [Abstract]
Total debt securities with single maturity date, amortized cost	253,143
Maturities, Fair Value [Abstract]
Total debt securities with single maturity date, fair value	252,687
Collateralized loan obligations
Maturities, Amortized Cost [Abstract]
Total debt securities with single maturity date, amortized cost	61,342
Maturities, Fair Value [Abstract]
Total debt securities with single maturity date, fair value	$ 60,286

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CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Statement of Comprehensive Income [Abstract]
Net income	$ 822,852	$ 72,017	$ 1,069,582	$ 177,521
Other comprehensive (loss) income, net of tax:
Change in unrealized investment gains and losses	95,295	(17,301)	51,212	66,798
Benefit plan adjustments	(7,355)	(1,732)	(8,447)	(5,198)
Foreign currency translation adjustment	(2,947)	(2,490)	(4,571)	(650)
Other comprehensive income (loss), net of tax	84,993	(21,523)	38,194	60,950
Comprehensive income	$ 907,845	$ 50,494	$ 1,107,776	$ 238,471

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Debt

9 Months Ended

Sep. 30, 2015

Debt Disclosure [Abstract]

Debt

Debt

Long-term debt as of September 30, 2015 and December 31, 2014 consists of the following obligations.

	September 30, 2015			December 31, 2014
	(In millions)
Senior Notes, interest at 5.375% per annum, due November 2015	$	61.9		$	61.9
Convertible Senior Notes, interest at 5% per annum, due May 2017 (1)	345.0			345.0
Convertible Senior Notes, interest at 2% per annum, due April 2020 (2) (3)	500.0			500.0
Convertible Junior Subordinated Debentures, interest at 9% per annum, due April 2063 (4)	389.5			389.5
Total debt	1,296.4			1,296.4
Less current portion of debt	(61.9		)	(61.9		)
Total long-term debt	$	1,234.5		$	1,234.5

(1) Convertible at any time prior to maturity at the holder's option, at an initial conversion rate, which is subject to adjustment, of 74.4186 shares per $1,000 principal amount, representing an initial conversion price of approximately $13.44 per share.

(2) Prior to January 1, 2020, the 2% Convertible Senior Notes are convertible only upon satisfaction of one or more conditions. One such condition is that during any calendar quarter commencing after March 31, 2014, the last reported sale price of our common stock for each of at least 20 trading days during the 30 consecutive trading days ending on, and including, the last trading day of the immediately preceding calendar quarter be greater than or equal to 130% of the applicable conversion price on each applicable trading day. The 2% Notes are convertible at an initial conversion rate, which is subject to adjustment, of 143.8332 shares per $1,000 principal amount, representing an initial conversion price of approximately $6.95 per share. 130% of such conversion price is $9.03. On or after January 1, 2020, holders may convert their notes irrespective of satisfaction of the conditions. Our common stock price was greater than or equal to 130% of the applicable conversion price for each of at least 20 trading days during the 30 consecutive trading days ending on, and including, September 30, 2015.

(3) Prior to April 10, 2017, the notes will not be redeemable. On any business day on or after April 10, 2017 we may redeem for cash all or part of the notes, at our option, at a redemption rate equal to 100% of the principal amount of the notes being redeemed, plus any accrued and unpaid interest, if the closing sale price of our common stock exceeds 130% of the then prevailing conversion price of the notes for each of at least 20 of the 30 consecutive trading days preceding notice of the redemption.

(4) Convertible at any time prior to maturity at the holder's option, at an initial conversion rate, which is subject to adjustment, of 74.0741 shares per $1,000 principal amount, representing an initial conversion price of approximately $13.50 per share. If a holder elects to convert their debentures, deferred interest owed on the debentures being converted is also converted into shares of our common stock. The conversion rate for any deferred interest is based on the average price that our shares traded at during a 5-day period immediately prior to the election to convert. In lieu of issuing shares of common stock upon conversion of the debentures, we may, at our option, make a cash payment to converting holders for all or some of the shares of our common stock otherwise issuable upon conversion.

Interest payments on our existing debt obligations appear below.

	Nine Months Ended September 30,
	2015		2014
	(In millions)
Senior Notes, interest at 5.375% per annum, due November 2015	$	1.7	$	1.7
Convertible Senior Notes, interest at 5% per annum, due May 2017	8.6		8.6
Convertible Senior Notes, interest at 2% per annum, due April 2020	5.0		5.0
Convertible Junior Subordinated Debentures, interest at 9% per annum, due April 2063	17.5		17.5
Total interest payments	$	32.8	$	32.8

The Senior Notes, Convertible Senior Notes and Convertible Junior Subordinated Debentures are obligations of our holding company, MGIC Investment Corporation, and not of its subsidiaries. We repaid our Senior Notes on November 2, 2015 in the amount of $61.9 million with MGIC Investment Corporation cash on hand. The repayment of our Senior Notes had no significant impact on our liquidity or financial position. As of September 30, 2015, we had approximately $469 million in cash and investments at our holding company. The net unrealized losses on our holding company investment portfolio were approximately $0.4 million as of September 30, 2015. The modified duration of the holding company investment portfolio, excluding cash and cash equivalents, was 2.9 years at September 30, 2015.

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Earnings per Share (Tables)

9 Months Ended

Sep. 30, 2015

Earnings Per Share [Abstract]

Calculation of earnings (loss) per share

The following table reconciles the numerators and denominators used to calculate basic and diluted EPS and also indicates the number of antidilutive securities.

	Three months ended September 30,				Nine months ended September 30,
	2015		2014		2015		2014
	(In thousands, except per share data and as otherwise noted)
Basic earnings per share:
Net income	$	822,852	$	72,017	$	1,069,582	$	177,521
Weighted average common shares outstanding	339,701		338,626		339,504		338,488
Basic income per share	$	2.42	$	0.21	$	3.15	$	0.52
Diluted earnings per share:
Net income	$	822,852	$	72,017	$	1,069,582	$	177,521
Interest expense, net of tax (1):
2% Convertible Senior Notes due 2020	1,982		3,049		5,946		9,148
5% Convertible Senior Notes due 2017	3,050		—		9,150		—
9% Convertible Junior Subordinated Debentures due 2063	5,697		—		17,090		—
Diluted income available to common shareholders	$	833,581	$	75,066	$	1,101,768	$	186,669

Weighted average shares - basic	339,701		338,626		339,504		338,488
Effect of dilutive securities:
Unvested restricted stock units	1,983		3,008		2,128		3,043
2% Convertible Senior Notes due 2020	71,942		71,942		71,942		71,942
5% Convertible Senior Notes due 2017	25,670		—		25,670		—
9% Convertible Junior Subordinated Debentures due 2063	28,853		—		28,853		—
Weighted average shares - diluted	468,149		413,576		468,097		413,473
Diluted income per share	$	1.78	$	0.18	$	2.35	$	0.45
Antidilutive securities (in millions)	—		54.5		—		54.5

(1) Due to the valuation allowance recorded against deferred tax assets, the three and nine months ended September 30, 2014 were not tax effected. The three and nine months ended September 30, 2015 have been tax effected at a rate of 35%.

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Litigation and Contingencies (Details) $ in Thousands	6 Months Ended	9 Months Ended	12 Months Ended
	Jun. 30, 2009	Sep. 30, 2015 USD ($) case lawsuit settlement	Dec. 31, 2014 USD ($)	Dec. 31, 2013 USD ($)	Dec. 31, 2010 USD ($)	Dec. 31, 2009 USD ($)
Curtailments [Abstract]
Average paid claim reduction due to curtailments (in hundredths)		7.00%	6.70%
Number of days after claim paid within which objection must be received for review		90 days
Claims resolved by rescissions [Abstract]
Percentage of claims received in a quarter resolved by rescission, lower range limit (in hundredths)		5.00%
Percentage of claims received in a quarter resolved by rescission, upper range limit (in hundredths)	28.00%
Mitigation of incurred losses by rescission of policies					$ 200,000	$ 2,500,000
Statute of limitations to bring legal proceedings disputing right to rescind coverage		3 years
Statute of limitations to bring legal proceedings after notice of rescission		2 years
Percentage of loans covered by CHL Agreement for which consent was received (in hundredths)		89.00%
Maximum exposure above estimate provision for claims paying practices		$ 124,900
Percentage of loans for which consent was not received, percent		11.00%
Maximum exposure associated with other discussions and legal proceedings		$ 202,500
Class action complaint under RESPA [Abstract]
Period of existing captive reinsurance agreement		10 years
Civil penalty				$ 2,650
Other Legal Proceedings [Abstract]
Underwriting remedy expense		$ 1,000	$ 4,000
Class Action Complaint Under RESPA | Pending Litigation
Class action complaint under RESPA [Abstract]
Number of lawsuits | lawsuit		12
Number of cases dismissed | case		12
Insurance-related Assessments
Claims resolved by rescissions [Abstract]
Loss Contingency, Claims Settled, Number | settlement		2

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Premium Deficiency Reserve

9 Months Ended

Sep. 30, 2015

Premium Deficiency Reserve [Abstract]

Premium Deficiency Reserve

Premium Deficiency Reserve

The premium deficiency reserve reflects the present value of expected future losses and expenses that exceed the present value of expected future premiums and established loss reserves. Each quarter, we re-estimate the premium deficiency reserve on the remaining Wall Street bulk insurance in force. As of September 30, 2015, no premium deficiency was required, consistent with the period ended June 30, 2015.  The decrease in the premium deficiency reserve for the nine months ended September 30, 2015 was $24 million, and the decrease for the three and nine months ended September 30, 2014 was $6 million and $19 million, respectively.