v3.25.2
Investment Risks - Simplify Government Money Market ETF
Jul. 11, 2025
Prospectus [Line Items]  
Risk [Text Block]

Principal Investment Risks: As with all funds, there is the risk that you could lose money through your investment in the Fund. Many factors affect the Fund’s net asset value and price of shares and performance. The following describes the risks the Fund bears with respect to its investments. As with any fund, there is no guarantee that the Fund will achieve its goal.

 
Interest Rate Risks [Member]  
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Interest Rate Risk. Interest rate risk is the risk that the value of a debt security may fall when interest rates rise. In general, the market price of debt securities with longer maturities will go down more in response to changes in interest rates than the market price of shorter-term securities. Due to fluctuations in interest rates, the market value of such securities may vary during the period shareholders own shares of the Fund. Very low interest rates may magnify interest rate risk. During periods of very low interest rates, the Fund may be unable to maintain positive returns or pay dividends to Fund shareholders. The Fund may be subject to a greater risk of rising interest rates during a period of historically low interest rates. Changing interest rates may have unpredictable effects on markets, may result in heightened market volatility, and may detract from the Fund’s ability to achieve its investment objective.

 
U S Treasury Market Risk [Member]  
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U.S. Treasury Market Risk. Direct obligations of the U.S. Treasury have historically involved little risk of loss of principal if held to maturity. However, due to fluctuations in interest rates, the market value of such securities may vary during the period shareholders own shares of the Fund. In addition, notwithstanding that U.S. Treasury obligations are backed by the full faith and credit of the United States, circumstances could arise that could prevent the timely payment of interest or principal, such as reaching the legislative “debt ceiling.” Such non-payment could result in losses to the Fund and substantial negative consequences for the U.S. economy and the global financial system. Changes to the financial condition or credit rating of the U.S. Government may cause the value of U.S. Treasury obligations to decline.

 
U S Government Obligations Risk [Member]  
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U.S. Government Obligations Risk. Different types of U.S. Government securities have different levels of credit risk depending on the nature of the particular government support for that security. Securities issued by certain U.S. Government agencies and certain U.S. Government sponsored enterprises, are not guaranteed by the U.S. Government or supported by the full faith and credit of the United States. For example, the debt of U.S. Government sponsored enterprises, such as that issued by the Federal National Mortgage Association (Fannie Mae), the Federal Home Loan Mortgage Corporation (Freddie Mac) and the Federal Home Loan Banks are not guaranteed by the U.S. Government or supported by the full faith and credit of the United States. In addition, circumstances could arise that could prevent the timely payment of interest or principal on U.S. Government obligations, such as reaching the legislative “debt ceiling.” Such non-payment could result in losses to the Fund and substantial negative consequences for the U.S. economy and the global financial system. Changes to the financial condition or credit rating of the U.S. Government may cause the value of U.S. Government obligations to decline.

 
Repurchase Agreements Risk [Member]  
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Repurchase Agreements Risk. If the other party to a repurchase agreement defaults on its obligation under the agreement, the Fund may suffer delays and incur costs or lose money in exercising its rights under the agreement. If the seller fails to repurchase the security and the market value of the security declines, the Fund may lose money.

 
Credit Risks [Member]  
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Credit Risk. The issuer of a debt security (i.e., the borrower) may be unable or unwilling to make timely payments of interest and principal when due or otherwise honor their obligations. Changes in an issuer’s credit rating or the market’s perception of an issuer’s creditworthiness may also adversely affect the value of the Fund’s investment in that issuer.

 
Market And Geopolitical Risk [Member]  
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Market and Geopolitical Risk. The increasing interconnectivity between global economies and financial markets increases the likelihood that events or conditions in one region or financial market may adversely impact issuers in a different country, region or financial market. Securities in the Fund’s portfolio may underperform due to inflation (or expectations for inflation), interest rates, global demand for particular products or resources, natural disasters, climate change and climate-related events, pandemics, epidemics, terrorism, regulatory events and governmental or quasi-governmental actions. The occurrence of global events similar to those in recent years may result in market volatility and may have long term effects on both the U.S. and global financial markets.

 
Limited History Risk [Member]  
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Limited History Risk. The Fund is a new ETF and has a limited history of operations for investors to evaluate. The Fund may fail to reach an economically viable size and may close. Large redemptions may force the Fund to sell portfolio securities or other assets when it might not otherwise do so, which may negatively impact the Fund’s NAV, increase the Fund’s brokerage costs and/or have a material effect on the market price of the Fund shares.

 
Management Risk [Member]  
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Management Risk. The Fund is subject to the risk that its investment management strategy may not produce the intended results. There can be no assurance that the investments selected by the adviser will produce positive returns.

 
Variable And Floating Rate Instrument Risk [Member]  
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Variable and Floating Rate Instrument Risk. Securities with floating or variable interest rates can be less sensitive to interest rate changes than securities with fixed interest rates, but may decline in value if their coupon rates do not reset as high, or as quickly, as comparable market interest rates, and generally carry lower yields than fixed securities of the same maturity. These securities will not generally increase in value if interest rates decline. A decline in interest rates may result in a reduction in income received from variable and floating rate securities held by the Fund and may adversely affect the value of the Fund’s shares. These securities may be subject to greater illiquidity risk.

 
When Issued Delayed Delivery And Forward Commitments Risk [Member]  
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When-Issued, Delayed Delivery, and Forward Commitments Risk. When-issued and delayed delivery securities and forward commitments involve the risk that the security the Fund buys will lose value prior to its delivery. There also is the risk that the security will not be issued or that the other party to the transaction will not meet its obligation. If this occurs, the Fund may lose both the investment opportunity for the assets it set aside to pay for the security and any gain in the security’s price.

 
E T F Structure Risk [Member]  
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ETF Structure Risk. The Fund is structured as an ETF. As a result, the Fund is subject to the special risks, including:

 

● Cash Transaction Risk. Purchases and redemptions of creation units that are made primarily with cash, rather than through in-kind delivery of portfolio securities may cause the Fund to incur additional costs including brokerage costs and taxable capital gains or losses that the Fund may not have incurred if the Fund had made redemptions in-kind.

 

● Not Individually Redeemable. The Fund’s shares (“Shares”) are not redeemable by retail investors and may be redeemed only by Authorized Participants at net asset value (“NAV”) and only in Creation Units. A retail investor generally incurs brokerage costs when selling shares.

 

● Trading Issues. Trading in Shares on NYSE Arca, Inc. (the “Exchange”) may be halted due to market conditions or for reasons that, in the view of the Exchange, make trading in Shares inadvisable, such as extraordinary market volatility. There can be no assurance that Shares will continue to meet the listing requirements of the Exchange which may result in the Shares being delisted. An active trading market for the Shares may not be developed or maintained. If the Shares are traded outside a collateralized settlement system, the number of financial institutions that can act as Authorized Participants that can post collateral on an agency basis is limited, which may limit the market for the Shares.

 

● Market Price Variance Risk. The market prices of Shares will fluctuate in response to changes in NAV and supply and demand for Shares and will include a “bid-ask spread” charged by the exchange specialists, market makers or other participants that trade the Shares. There may be times when the market price and the NAV vary significantly. This means that Shares may trade at a discount to NAV.

 

○ In times of market stress, market makers may step away from their role market making in the Shares and in executing trades, which can lead to differences between the market value of the Shares and the Fund’s NAV.

 

○ The market price of the Shares may deviate from the Fund’s NAV, particularly during times of market stress, with the result that investors may pay significantly more or significantly less for the Shares than the Fund’s NAV, which is reflected in the bid and ask price for the Shares or in the closing price.

 

○ In stressed market conditions, the market for the Shares may become less liquid in response to the deteriorating liquidity of the Fund’s portfolio. This adverse effect on the liquidity of the Shares may, in turn, lead to differences between the market value of the Shares and the Fund’s NAV.

 

○ Cash Creation Unit Transactions Risk. Like other ETFs, the Fund sells and redeems its shares only in large blocks called Creation Units and only to “Authorized Participants.” However, unlike many other ETFs, the Fund expects to effect its creations and redemptions at least partially or fully for cash, rather than in-kind securities. Thus, an investment in the Fund may be less tax-efficient than an investment in other ETFs as the Fund may recognize a capital gain that it could have avoided by making redemptions in-kind. As a result, the Fund may pay out higher capital gains distributions than ETFs that redeem in-kind. Further, paying redemption proceeds in cash rather than through in-kind delivery of portfolio securities may require the Fund to dispose of or sell portfolio investments to obtain the cash needed to distribute redemption proceeds at an inopportune time.

 

● Authorized Participant Risk. Only an Authorized Participant may engage in creation or redemption transactions directly with the Fund. The Fund has a limited number of institutions that may act as an Authorized Participant on an agency basis (i.e., on behalf of other market participants). To the extent that Authorized Participants exit the business or are unable to proceed with creation or redemption orders with respect to the Fund and no other Authorized Participant is able to step forward to create or redeem Creation Units, Fund shares may be more likely to trade at a premium or discount to net asset value and possibly face trading halts or delisting. Authorized Participant concentration risk may be heightened for securities or instruments that have lower trading volumes.

 
Risk Lose Money [Member]  
Prospectus [Line Items]  
Risk [Text Block] As with all funds, there is the risk that you could lose money through your investment in the Fund.