As filed with the Securities and Exchange Commission on February 7, 2013
Securities Act File No. 333-148826
Investment Company Act File No. 811-22175
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549
FORM N-1A
REGISTRATION STATEMENT
UNDER
| THE SECURITIES ACT OF 1933 | x | |||
| Pre-Effective Amendment No. | ¨ | |||
| Post Effective Amendment No. 143 | x |
and/or
REGISTRATION STATEMENT
UNDER
| THE INVESTMENT COMPANY ACT OF 1940 | x | |||
| Amendment No. 144 | x |
(Check appropriate box or boxes)
ALPS ETF TRUST
(Exact Name of Registrant as Specified in its Charter)
1290 Broadway
Suite 1100
Denver, Colorado 80203
(Address of Principal Executive Offices)
(303) 623-2577
Registrants Telephone Number
Tané T. Tyler, Esq.
ALPS Fund Services, Inc.
1290 Broadway
Suite 1100
Denver, Colorado 80203
(Name and Address of Agent for Service)
Copy to:
Stuart M. Strauss, Esq.
Dechert LLP
1095 Avenue of the Americas
New York, New York 10036
It is proposed that this filing will become effective:
| x | Immediately upon filing pursuant to paragraph (b) |
| ¨ | On (date) pursuant to paragraph (b) |
| ¨ | 60 days after filing pursuant to paragraph (a)(1) |
| ¨ | 75 days after filing pursuant to paragraph (a)(2) |
| ¨ | On (date) pursuant to paragraph (a)(1) |
| ¨ | On (date) pursuant to paragraph (a)(2) of Rule 485. |
If appropriate, check the following box:
| ¨ | This post-effective amendment designates a new effective date for a previously filed post-effective amendment |
SIGNATURES
Pursuant to the requirements of the Securities Act of 1933 and the Investment Company Act of 1940, the Registrant certifies that it meets all the requirements for effectiveness of this Registration Statement pursuant to rule 485(b) under the Securities Act of 1933 and has duly caused this Post-Effective Amendment No. 143 of its Registration Statement to be signed on its behalf by the undersigned, thereunto duly authorized, in the city of Denver, and State of Colorado, on the 7th day of February, 2013.
| ALPS ETF TRUST | ||
| By: | /s/ Thomas A. Carter | |
| Thomas A. Carter | ||
| President | ||
Pursuant to the requirements of the Securities Act of 1933, this Registration Statement has been signed below by the following persons in the capacities and on the date indicated.
| Signatures |
Title |
Date | ||
| /s/ Mary K. Anstine |
Trustee | February 7, 2013 | ||
| Mary K. Anstine* | ||||
| /s/ Jeremy W. Deems |
Trustee | February 7, 2013 | ||
| Jeremy W. Deems* | ||||
| /s/ Rick A. Pederson |
Trustee | February 7, 2013 | ||
| Rick A. Pederson* | ||||
| /s/ Thomas A. Carter |
Trustee and President | February 7, 2013 | ||
| Thomas A. Carter | ||||
| /s/ Patrick D. Buchanan |
Treasurer | February 7, 2013 | ||
| Patrick D. Buchanan | ||||
| * | Signature affixed by Tané T. Tyler pursuant to a power of attorney dated December 8, 2008. |
EXHIBIT INDEX
| Index No. | Description of Exhibit | |
| EX-101.INS | XBRL Instance Document | |
| EX-101.SCH | XBRL Taxonomy Extension Schema Document | |
| EX-101.CAL | XBRL Taxonomy Extension Calculation Linkbase | |
| EX-101.DEF | XBRL Taxonomy Extension Definition Linkbase | |
| EX-101.LAB | XBRL Taxonomy Extension Labels Linkbase | |
| EX-101.PRE | XBRL Taxonomy Extension Presentation Linkbase | |
| U.S. Equity High Volatility Put Write Index Fund | ||||||||
| SUMMARY INFORMATION U.S. EQUITY HIGH VOLATILITY PUT WRITE INDEX FUND - HVPW |
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| Investment Objective | ||||||||
| The U.S. Equity High Volatility Put Write Index Fund (the “Fund”) seeks investment results that correspond generally to the performance, before the Fund’s fees and expenses, of an index called the NYSE Arca U.S. Equity High Volatility Put Write Index (the “Index”). The Index reflects the performance of a portfolio of exchange-traded put options on highly volatile stocks. | ||||||||
| Fees and Expenses of the Fund | ||||||||
| This table describes the fees and expenses that you may pay if you buy and hold shares of the Fund. Investors purchasing or selling Shares in the secondary market may be subject to costs (including customary brokerage commissions) charged by their broker. These costs are not included in the expense example below | ||||||||
| Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment) | ||||||||
|
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| Example | ||||||||
| The following example is intended to help you compare the cost of investing in the Fund with the costs of investing in other funds. The example assumes that you invest $10,000 in the Fund for the time periods indicated and then redeem all of your shares at the end of those periods. The example also assumes that your investment has a 5% return each year and that the Fund’s operating expenses remain the same each year. Although your actual costs may be higher or lower, based on these assumptions your costs would be: |
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| Portfolio Turnover | ||||||||
| The Fund will pay transaction costs, such as commissions, when it purchases and sells securities (or “turns over” its portfolio). A higher portfolio turnover will cause the Fund to incur additional transaction costs and may result in higher taxes when Shares are held in a taxable account. These costs, which are not reflected in annual fund operating expenses or in the example, may affect the Fund’s performance. | ||||||||
| Principal Investment Strategies | ||||||||
| The Fund seeks to replicate, before expenses, the performance of the Index. The NYSE Arca U.S. Equity High Volatility Put Write Index is an index that measures the return of a hypothetical portfolio consisting of exchange traded put options which have been sold on each of 20 stocks and a cash position calculated as described herein under “Additional Information About the Index.” The 20 stocks on which options are sold (“written”) are those 20 stocks from a selection of the largest capitalized (over $5 billion in market capitalization) stocks which also have listed options and which have the highest volatility, as determined by the NYSE Arca, Inc., the Fund’s index provider (the “Index Provider”). Each listed put option included in the Index is an “American-style” option (i.e., an option which can be exercised at the strike price at any time prior to its expiration) with a 60-day term. The strike price (i.e., the price at which a put option can be exercised) of each put option included in the Index must be as close as possible to 85% of the closing price of the option’s underlying stock price as of the beginning of each 60-day period. The listed put options included in the Index can be exercised at any time during prior to their expiration, but the Index will reflect the value of each such option throughout the 60-day period as if the option is not exercised until its expiration. Each such option will automatically be deemed exercised on its expiration date if its underlying stock price is below its strike price. If the stock underlying the put option closes below the option’s strike price, a cash settlement payment in an amount equal to the difference between the strike price and the closing price of the stock is deemed to be made and the Index value is correspondingly reduced. If the underlying stock does not close below its strike price, then the option expires worthless and the entire amount of the premium payment is retained within the Index. The Fund will seek to track the performance of the Index by selling listed 60-day put options in proportion to their weightings in the Index. By selling an option, the Fund will receive premiums from the buyer of the option, which will increase the Fund’s return if the option is not exercised and thus expires worthless. However, if the option’s underlying stock declines below the strike price, the option will finish in-the-money and the Fund will be required to buy the underlying stock at the strike price, effectively paying the buyer the difference between the strike price and the closing price. Therefore, by writing a put option, the Fund is exposed to the amount by which the price of the underlying stock is less than the strike price. Accordingly, the potential return to the Fund is limited to the amount of option premiums it receives, while the Fund can potentially lose up to the entire strike price of each option it sells. Further, if the value of the stocks underlying the options sold by the Fund increases, the Fund’s returns will not increase accordingly. As the seller of a listed put option, the Fund incurs an obligation to buy the underlying instrument from the purchaser of the option at the option’s strike price, upon exercise by the option purchaser. If a listed put option sold by the Fund is exercised prior to the end of a 60-day period, the Fund will buy the underlying stock at the time of exercise and at the strike price, and will hold the stock until the end of the 60-day period. Each put option sold by the Fund will be covered through investments in three month Treasury bills at least equal to the Fund’s maximum liability under the option (i.e., the strike price). Every 60 days, the options included within the Index are exercised or expire and new option positions are established, and the Fund will enter into new option positions accordingly and sell any underlying stocks it owns as a result of the Fund’s prior option positions having been exercised. This 60-day cycle likely will cause the Fund to have frequent and substantial portfolio turnover. If the Fund receives additional inflows (and issues more Shares accordingly in large numbers known as “Creation Units,” as further defined herein) during a 60-day period, the Fund will sell additional listed put options which will be exercised or expire at the end of such 60-day period. Conversely, if the Fund redeems Shares in Creation Unit size during a 60-day period, the Fund will terminate the appropriate portion of the options it has sold accordingly. The Sub-Adviser seeks a correlation over time of 0.95 or better between the Fund’s performance and the performance of the Index. A figure of 1.00 would represent perfect correlation. |
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| Principal Investment Risks | ||||||||
| Investors should consider the following risk factors and special considerations associated with investing in the Fund, which may cause you to lose money. Investors should also note that the risk factors titled “Put Option Risk,” “Equity Risk” and “Implied Volatility Risk” concern the features of the Fund from which the Fund expects to derive its investment return. Investment Risk. An investment in the Fund is subject to investment risk, including the possible loss of the entire principal amount that you invest. Put Option Risk. Options are generally subject to volatile swings in price based on changes in value of the underlying instrument, and the options written by the Fund may be particularly subject to this risk because the underlying stocks are selected by the Index Provider to have high volatility. The Fund will incur a form of economic leverage through its use of options, which will increase the volatility of the Fund’s returns and may increase the risk of loss to the Fund. While the Fund will collect premiums on the options it writes, the Fund’s risk of loss if one or more of its options is exercised and expires in-the-money may substantially outweigh the gains to the Fund from the receipt of such option premiums. The Fund will either earmark or segregate sufficient liquid assets to cover its obligations under each option on an ongoing basis. Moreover, the options sold by the Fund may have imperfect correlation to the returns of their underlying stocks. Equity Risk. The value of the options sold by the Fund is based on the value of the stocks underlying such options. Accordingly, the Fund is exposed to equity risk, which is the risk that the value of the stocks underlying options written by the Fund will fall due to general market and economic conditions, perceptions regarding the industries in which the issuers of such stock participate, or factors relating to specific companies. In such event, the value of the options sold by the Fund will likely decline. Additionally, if the value of the stocks underlying the options sold by the Fund increases, the Fund’s returns will not increase accordingly. Implied Volatility Risk. When the Fund sells a listed put option, it gains the amount of the premium it receives, but also incurs a corresponding liability representing the value of the option it has sold (until the option is exercised and finishes in the money or expires worthless). The value of the options in which the Fund invests is partly based on the volatility used by market participants to price such options (i.e, implied volatility). Accordingly, increases in the implied volatility of such options will cause the value of such options to increase (even if the prices of the options’ underlying stocks do not change), which will result in a corresponding increase in the liabilities of the Fund under such options and thus decrease the Fund’s NAV. The Fund is therefore exposed to implied volatility risk before the options expire or are exercised. This is the risk that the value of the implied volatility of the options sold by the Fund will increase due to general market and economic conditions, perceptions regarding the industries in which the issuers of such stock participate, or factors relating to specific companies. Tax Efficiency Risk. Unlike most exchange-traded funds, the Fund currently intends to effect redemptions primarily for cash, rather than primarily in-kind redemptions. As such, investments in Shares may be less tax-efficient than investments in conventional exchange-traded funds. Exchange-traded funds generally are able to make in-kind redemptions and avoid being taxed on gain on the distributed portfolio securities at the fund level. Because the Fund currently intends to effect redemptions primarily for cash, rather than in-kind distributions, it may be required to sell portfolio securities in order to obtain the cash needed to distribute redemption proceeds. If the Fund recognizes gain on these sales, this generally will cause the Fund to recognize gain it might not otherwise have recognized, or to recognize such gain sooner than would otherwise be required if it were able to distribute portfolio securities in-kind. The Fund generally intends to distribute these gains to shareholders to avoid being taxed on this gain at the Fund level and otherwise comply with the special tax rules that apply to it. This strategy may cause shareholders to be subject to tax on gains they would not otherwise be subject to, or at an earlier date than, if they had made an investment in a different exchange-traded fund. In addition, as a result of the Fund selling options every 60 days to track the Index, it is expected that any distributions by the Fund will be taxable as ordinary income. Non-Correlation Risk. The Fund’s return may not match the return of the Index for a number of reasons. For example, an option sold by the Fund may be exercised prior to its expiration, which will result in the Fund buying the underlying stock at that time and holding the stock until the end of the 60-day period, but the Index will not reflect the early exercise of the option at that time. The Fund may also need to sell additional options (or terminate certain options it has already sold) prior to the end of the 60-day period to reflect Fund inflows or outflows; the costs of doing so may also contribute to tracking error. In addition, the Fund incurs a number of operating expenses not applicable to the Index and incurs costs in buying and selling securities, especially when rebalancing the Fund’s securities holdings to reflect changes in the composition of the Index. The Fund may not be fully invested at times, either as a result of cash flows into the Fund or reserves of cash held by the Fund to meet redemptions and expenses. Portfolio Turnover Risk. The Fund will pay transaction costs, such as commissions or mark-ups in the bid/offer spread on an option position, when it writes options at the beginning of each 60 day period (or “turns over” its portfolio). A higher portfolio turnover (e.g., over 100% per year) will cause the Fund to incur additional transaction costs and may result in higher taxes when Shares are held in a taxable account. These costs, which are not reflected in annual fund operating expenses or in the example thereunder, may affect the Fund’s performance. Issuer-Specific Changes. The value of an individual security or particular type of security can be more volatile than the market as a whole and can perform differently from the value of the market as a whole. Non-Diversified Fund Risk. The Fund is considered non-diversified and can invest a greater portion of assets in securities of individual issuers than a diversified fund. As a result, changes in the market value of a single investment could cause greater fluctuations in share price than would occur in a diversified fund. This risk may be particularly applicable to the Fund because the Fund will only sell options on 20 underlying stocks. |
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| Fund Performance | ||||||||
| As of the date of this Prospectus, the Fund has not yet completed a full calendar year of investment operations. When the Fund has completed a full calendar year of investment operations, this section will include charts that show annual total returns, highest and lowest quarterly returns and average annual total returns (before and after taxes) compared to a benchmark index selected for the Fund. |
| Label | Element | Value |
|---|---|---|
| Risk/Return: | rr_RiskReturnAbstract | |
| Registrant Name | dei_EntityRegistrantName | ALPS ETF Trust |
| Prospectus Date | rr_ProspectusDate | Jan. 22, 2013 |
| Document Creation Date | dei_DocumentCreationDate | Jan. 22, 2013 |
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Document and Entity Information
|
12 Months Ended |
|---|---|
|
Jan. 22, 2013
|
|
| Risk/Return: | |
| Document Type | 485BPOS |
| Document Period End Date | Jan. 22, 2013 |
| Registrant Name | ALPS ETF Trust |
| Central Index Key | 0001414040 |
| Amendment Flag | false |
| Document Creation Date | Jan. 22, 2013 |
| Document Effective Date | Jan. 22, 2013 |
| Prospectus Date | Jan. 22, 2013 |
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| Label | Element | Value |
|---|---|---|
| Risk/Return: | rr_RiskReturnAbstract | |
| Registrant Name | dei_EntityRegistrantName | ALPS ETF Trust |
| Prospectus Date | rr_ProspectusDate | Jan. 22, 2013 |
|
U.S. Equity High Volatility Put Write Index Fund
|
||
| Risk/Return: | rr_RiskReturnAbstract | |
| Risk/Return [Heading] | rr_RiskReturnHeading | SUMMARY INFORMATION U.S. EQUITY HIGH VOLATILITY PUT WRITE INDEX FUND - HVPW |
| Objective [Heading] | rr_ObjectiveHeading | Investment Objective |
| Objective, Primary [Text Block] | rr_ObjectivePrimaryTextBlock | The U.S. Equity High Volatility Put Write Index Fund (the “Fund”) seeks investment results that correspond generally to the performance, before the Fund’s fees and expenses, of an index called the NYSE Arca U.S. Equity High Volatility Put Write Index (the “Index”). The Index reflects the performance of a portfolio of exchange-traded put options on highly volatile stocks. |
| Expense [Heading] | rr_ExpenseHeading | Fees and Expenses of the Fund |
| Expense Narrative [Text Block] | rr_ExpenseNarrativeTextBlock | This table describes the fees and expenses that you may pay if you buy and hold shares of the Fund. Investors purchasing or selling Shares in the secondary market may be subject to costs (including customary brokerage commissions) charged by their broker. These costs are not included in the expense example below |
| Operating Expenses Caption [Text] | rr_OperatingExpensesCaption | Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment) |
| Portfolio Turnover [Heading] | rr_PortfolioTurnoverHeading | Portfolio Turnover |
| Portfolio Turnover [Text Block] | rr_PortfolioTurnoverTextBlock | The Fund will pay transaction costs, such as commissions, when it purchases and sells securities (or “turns over” its portfolio). A higher portfolio turnover will cause the Fund to incur additional transaction costs and may result in higher taxes when Shares are held in a taxable account. These costs, which are not reflected in annual fund operating expenses or in the example, may affect the Fund’s performance. |
| Expense Example [Heading] | rr_ExpenseExampleHeading | Example |
| Expense Example Narrative [Text Block] | rr_ExpenseExampleNarrativeTextBlock | The following example is intended to help you compare the cost of investing in the Fund with the costs of investing in other funds. The example assumes that you invest $10,000 in the Fund for the time periods indicated and then redeem all of your shares at the end of those periods. The example also assumes that your investment has a 5% return each year and that the Fund’s operating expenses remain the same each year. Although your actual costs may be higher or lower, based on these assumptions your costs would be: |
| Strategy [Heading] | rr_StrategyHeading | Principal Investment Strategies |
| Strategy Narrative [Text Block] | rr_StrategyNarrativeTextBlock | The Fund seeks to replicate, before expenses, the performance of the Index. The NYSE Arca U.S. Equity High Volatility Put Write Index is an index that measures the return of a hypothetical portfolio consisting of exchange traded put options which have been sold on each of 20 stocks and a cash position calculated as described herein under “Additional Information About the Index.” The 20 stocks on which options are sold (“written”) are those 20 stocks from a selection of the largest capitalized (over $5 billion in market capitalization) stocks which also have listed options and which have the highest volatility, as determined by the NYSE Arca, Inc., the Fund’s index provider (the “Index Provider”). Each listed put option included in the Index is an “American-style” option (i.e., an option which can be exercised at the strike price at any time prior to its expiration) with a 60-day term. The strike price (i.e., the price at which a put option can be exercised) of each put option included in the Index must be as close as possible to 85% of the closing price of the option’s underlying stock price as of the beginning of each 60-day period. The listed put options included in the Index can be exercised at any time during prior to their expiration, but the Index will reflect the value of each such option throughout the 60-day period as if the option is not exercised until its expiration. Each such option will automatically be deemed exercised on its expiration date if its underlying stock price is below its strike price. If the stock underlying the put option closes below the option’s strike price, a cash settlement payment in an amount equal to the difference between the strike price and the closing price of the stock is deemed to be made and the Index value is correspondingly reduced. If the underlying stock does not close below its strike price, then the option expires worthless and the entire amount of the premium payment is retained within the Index. The Fund will seek to track the performance of the Index by selling listed 60-day put options in proportion to their weightings in the Index. By selling an option, the Fund will receive premiums from the buyer of the option, which will increase the Fund’s return if the option is not exercised and thus expires worthless. However, if the option’s underlying stock declines below the strike price, the option will finish in-the-money and the Fund will be required to buy the underlying stock at the strike price, effectively paying the buyer the difference between the strike price and the closing price. Therefore, by writing a put option, the Fund is exposed to the amount by which the price of the underlying stock is less than the strike price. Accordingly, the potential return to the Fund is limited to the amount of option premiums it receives, while the Fund can potentially lose up to the entire strike price of each option it sells. Further, if the value of the stocks underlying the options sold by the Fund increases, the Fund’s returns will not increase accordingly. As the seller of a listed put option, the Fund incurs an obligation to buy the underlying instrument from the purchaser of the option at the option’s strike price, upon exercise by the option purchaser. If a listed put option sold by the Fund is exercised prior to the end of a 60-day period, the Fund will buy the underlying stock at the time of exercise and at the strike price, and will hold the stock until the end of the 60-day period. Each put option sold by the Fund will be covered through investments in three month Treasury bills at least equal to the Fund’s maximum liability under the option (i.e., the strike price). Every 60 days, the options included within the Index are exercised or expire and new option positions are established, and the Fund will enter into new option positions accordingly and sell any underlying stocks it owns as a result of the Fund’s prior option positions having been exercised. This 60-day cycle likely will cause the Fund to have frequent and substantial portfolio turnover. If the Fund receives additional inflows (and issues more Shares accordingly in large numbers known as “Creation Units,” as further defined herein) during a 60-day period, the Fund will sell additional listed put options which will be exercised or expire at the end of such 60-day period. Conversely, if the Fund redeems Shares in Creation Unit size during a 60-day period, the Fund will terminate the appropriate portion of the options it has sold accordingly. The Sub-Adviser seeks a correlation over time of 0.95 or better between the Fund’s performance and the performance of the Index. A figure of 1.00 would represent perfect correlation. |
| Risk [Heading] | rr_RiskHeading | Principal Investment Risks |
| Risk Narrative [Text Block] | rr_RiskNarrativeTextBlock | Investors should consider the following risk factors and special considerations associated with investing in the Fund, which may cause you to lose money. Investors should also note that the risk factors titled “Put Option Risk,” “Equity Risk” and “Implied Volatility Risk” concern the features of the Fund from which the Fund expects to derive its investment return. Investment Risk. An investment in the Fund is subject to investment risk, including the possible loss of the entire principal amount that you invest. Put Option Risk. Options are generally subject to volatile swings in price based on changes in value of the underlying instrument, and the options written by the Fund may be particularly subject to this risk because the underlying stocks are selected by the Index Provider to have high volatility. The Fund will incur a form of economic leverage through its use of options, which will increase the volatility of the Fund’s returns and may increase the risk of loss to the Fund. While the Fund will collect premiums on the options it writes, the Fund’s risk of loss if one or more of its options is exercised and expires in-the-money may substantially outweigh the gains to the Fund from the receipt of such option premiums. The Fund will either earmark or segregate sufficient liquid assets to cover its obligations under each option on an ongoing basis. Moreover, the options sold by the Fund may have imperfect correlation to the returns of their underlying stocks. Equity Risk. The value of the options sold by the Fund is based on the value of the stocks underlying such options. Accordingly, the Fund is exposed to equity risk, which is the risk that the value of the stocks underlying options written by the Fund will fall due to general market and economic conditions, perceptions regarding the industries in which the issuers of such stock participate, or factors relating to specific companies. In such event, the value of the options sold by the Fund will likely decline. Additionally, if the value of the stocks underlying the options sold by the Fund increases, the Fund’s returns will not increase accordingly. Implied Volatility Risk. When the Fund sells a listed put option, it gains the amount of the premium it receives, but also incurs a corresponding liability representing the value of the option it has sold (until the option is exercised and finishes in the money or expires worthless). The value of the options in which the Fund invests is partly based on the volatility used by market participants to price such options (i.e, implied volatility). Accordingly, increases in the implied volatility of such options will cause the value of such options to increase (even if the prices of the options’ underlying stocks do not change), which will result in a corresponding increase in the liabilities of the Fund under such options and thus decrease the Fund’s NAV. The Fund is therefore exposed to implied volatility risk before the options expire or are exercised. This is the risk that the value of the implied volatility of the options sold by the Fund will increase due to general market and economic conditions, perceptions regarding the industries in which the issuers of such stock participate, or factors relating to specific companies. Tax Efficiency Risk. Unlike most exchange-traded funds, the Fund currently intends to effect redemptions primarily for cash, rather than primarily in-kind redemptions. As such, investments in Shares may be less tax-efficient than investments in conventional exchange-traded funds. Exchange-traded funds generally are able to make in-kind redemptions and avoid being taxed on gain on the distributed portfolio securities at the fund level. Because the Fund currently intends to effect redemptions primarily for cash, rather than in-kind distributions, it may be required to sell portfolio securities in order to obtain the cash needed to distribute redemption proceeds. If the Fund recognizes gain on these sales, this generally will cause the Fund to recognize gain it might not otherwise have recognized, or to recognize such gain sooner than would otherwise be required if it were able to distribute portfolio securities in-kind. The Fund generally intends to distribute these gains to shareholders to avoid being taxed on this gain at the Fund level and otherwise comply with the special tax rules that apply to it. This strategy may cause shareholders to be subject to tax on gains they would not otherwise be subject to, or at an earlier date than, if they had made an investment in a different exchange-traded fund. In addition, as a result of the Fund selling options every 60 days to track the Index, it is expected that any distributions by the Fund will be taxable as ordinary income. Non-Correlation Risk. The Fund’s return may not match the return of the Index for a number of reasons. For example, an option sold by the Fund may be exercised prior to its expiration, which will result in the Fund buying the underlying stock at that time and holding the stock until the end of the 60-day period, but the Index will not reflect the early exercise of the option at that time. The Fund may also need to sell additional options (or terminate certain options it has already sold) prior to the end of the 60-day period to reflect Fund inflows or outflows; the costs of doing so may also contribute to tracking error. In addition, the Fund incurs a number of operating expenses not applicable to the Index and incurs costs in buying and selling securities, especially when rebalancing the Fund’s securities holdings to reflect changes in the composition of the Index. The Fund may not be fully invested at times, either as a result of cash flows into the Fund or reserves of cash held by the Fund to meet redemptions and expenses. Portfolio Turnover Risk. The Fund will pay transaction costs, such as commissions or mark-ups in the bid/offer spread on an option position, when it writes options at the beginning of each 60 day period (or “turns over” its portfolio). A higher portfolio turnover (e.g., over 100% per year) will cause the Fund to incur additional transaction costs and may result in higher taxes when Shares are held in a taxable account. These costs, which are not reflected in annual fund operating expenses or in the example thereunder, may affect the Fund’s performance. Issuer-Specific Changes. The value of an individual security or particular type of security can be more volatile than the market as a whole and can perform differently from the value of the market as a whole. Non-Diversified Fund Risk. The Fund is considered non-diversified and can invest a greater portion of assets in securities of individual issuers than a diversified fund. As a result, changes in the market value of a single investment could cause greater fluctuations in share price than would occur in a diversified fund. This risk may be particularly applicable to the Fund because the Fund will only sell options on 20 underlying stocks. |
| Risk Lose Money [Text] | rr_RiskLoseMoney | Investors should consider the following risk factors and special considerations associated with investing in the Fund, which may cause you to lose money. |
| Risk Nondiversified Status [Text] | rr_RiskNondiversifiedStatus | Non-Diversified Fund Risk. The Fund is considered non-diversified and can invest a greater portion of assets in securities of individual issuers than a diversified fund. As a result, changes in the market value of a single investment could cause greater fluctuations in share price than would occur in a diversified fund. This risk may be particularly applicable to the Fund because the Fund will only sell options on 20 underlying stocks. |
| Bar Chart and Performance Table [Heading] | rr_BarChartAndPerformanceTableHeading | Fund Performance |
| Performance Narrative [Text Block] | rr_PerformanceNarrativeTextBlock | As of the date of this Prospectus, the Fund has not yet completed a full calendar year of investment operations. When the Fund has completed a full calendar year of investment operations, this section will include charts that show annual total returns, highest and lowest quarterly returns and average annual total returns (before and after taxes) compared to a benchmark index selected for the Fund. |
| Performance One Year or Less [Text] | rr_PerformanceOneYearOrLess | When the Fund has completed a full calendar year of investment operations, this section will include charts that show annual total returns, highest and lowest quarterly returns and average annual total returns (before and after taxes) compared to a benchmark index selected for the Fund. |
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U.S. Equity High Volatility Put Write Index Fund | U.S. Equity High Volatility Put Write Index Fund
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| Risk/Return: | rr_RiskReturnAbstract | |
| Management fees | rr_ManagementFeesOverAssets | 0.95% |
| Other expenses | rr_OtherExpensesOverAssets | |
| Total annual Fund operating expenses | rr_ExpensesOverAssets | 0.95% |
| One Year | rr_ExpenseExampleYear01 | 97 |
| Three Years | rr_ExpenseExampleYear03 | 303 |