<SEC-DOCUMENT>0000947484-18-000004-index.html : 20180109
<SEC-HEADER>0000947484-18-000004.hdr.sgml : 20180109
<ACCEPTANCE-DATETIME>20180109170846
ACCESSION NUMBER:		0000947484-18-000004
CONFORMED SUBMISSION TYPE:	8-K
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20180109
ITEM INFORMATION:		Results of Operations and Financial Condition
ITEM INFORMATION:		Financial Statements and Exhibits
FILED AS OF DATE:		20180109
DATE AS OF CHANGE:		20180109

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ARCH CAPITAL GROUP LTD.
		CENTRAL INDEX KEY:			0000947484
		STANDARD INDUSTRIAL CLASSIFICATION:	FIRE, MARINE & CASUALTY INSURANCE [6331]
		IRS NUMBER:				000000000
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		8-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-16209
		FILM NUMBER:		18519713

	BUSINESS ADDRESS:	
		STREET 1:		WATERLOO HOUSE, GROUND FLOOR
		STREET 2:		100 PITTS BAY ROAD
		CITY:			PEMBROKE
		STATE:			D0
		ZIP:			HM 08
		BUSINESS PHONE:		441-278-9250

	MAIL ADDRESS:	
		STREET 1:		WATERLOO HOUSE, GROUND FLOOR
		STREET 2:		100 PITTS BAY ROAD
		CITY:			PEMBROKE
		STATE:			D0
		ZIP:			HM 08

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	ARCH CAPITAL GROUP LTD
		DATE OF NAME CHANGE:	20000508

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	RISK CAPITAL HOLDINGS INC
		DATE OF NAME CHANGE:	19950816

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	RISK CAPITAL RE INC
		DATE OF NAME CHANGE:	19950703
</SEC-HEADER>
<DOCUMENT>
<TYPE>8-K
<SEQUENCE>1
<FILENAME>a8-k1918.htm
<DESCRIPTION>8-K 1.9.18
<TEXT>
Document 1 - file: a8-k1918.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.1
<SEQUENCE>2
<FILENAME>ex9911918.htm
<DESCRIPTION>EX 99.1 PRESS RELEASE
<TEXT>
Document 2 - file: ex9911918.htm

</DOCUMENT>
</SEC-DOCUMENT>