v3.26.1
Investment Risks - Nomura ETF Trust II
Aug. 31, 2025
Nomura Strategic Income ETF | Risk Lose Money [Member]  
Prospectus [Line Items]  
Risk [Text Block] Investing in any exchange-traded fund involves the risk that you may lose part or all of the money you invest. Over time, the value of your investment in the Fund will increase and decrease according to changes in the value of the securities in the Fund’s portfolio. An investment in the Fund may not be appropriate for all investors.
Nomura Strategic Income ETF | Market risk_  
Prospectus [Line Items]  
Risk [Text Block]
Market risk — The risk that all or a majority of the securities in a certain market — such as the stock or bond market — will decline in value because of factors such as adverse political or economic conditions, future expectations, investor confidence, or heavy institutional selling.
Nomura Strategic Income ETF | Interest rate risk [Member]  
Prospectus [Line Items]  
Risk [Text Block]
Interest rate risk — The risk that the prices of bonds and other fixed income securities will increase as interest rates fall and decrease as interest rates rise. Interest rate changes are influenced by a number of factors, such as government policy, monetary policy, inflation expectations, and the supply and demand of bonds. Bonds and other fixed income securities with longer maturities or duration generally are more sensitive to interest rate changes. A fund may be subject to a greater risk of rising interest rates when interest rates are low or inflation rates are high or rising.
Nomura Strategic Income ETF | Credit risk [Member]  
Prospectus [Line Items]  
Risk [Text Block]
Credit risk — The risk that an issuer of a debt security, including a governmental issuer or an entity that insures a bond, may be unable to make interest payments and/or repay principal in a timely manner.
Nomura Strategic Income ETF | High Yield (Junk) Bond Risk [Member]  
Prospectus [Line Items]  
Risk [Text Block]
High yield (junk) bond risk — The risk that high yield securities, commonly known as “junk bonds,” are subject to reduced creditworthiness of issuers, increased risk of default, and a more limited and less liquid secondary market. High yield securities may also be subject to greater price volatility and risk of loss of income and principal than are higher-rated securities.
Nomura Strategic Income ETF | Liquidity Risk [Member]  
Prospectus [Line Items]  
Risk [Text Block]
Liquidity risk — The possibility that investments cannot be readily sold within seven calendar days at approximately the price at which a fund has valued them.
Nomura Strategic Income ETF | Loans and Other Direct Indebtedness Risk [Member]  
Prospectus [Line Items]  
Risk [Text Block]
Loans and other  direct indebtedness risk — The risk that a fund will not receive payment of principal, interest, and other amounts due in connection with these investments and will depend primarily on the financial condition of the borrower and the lending institution. A fund’s ability to sell its loans or to realize their full value upon sale may also be impaired due to the lack of an active trading market, irregular trading activity, wide
bid/ask spreads, contractual restrictions, and extended trade settlement periods. In addition, certain loans in which a fund invests may not be considered securities. A fund therefore may not be able to rely upon the anti-fraud provisions of the federal securities laws with respect to these investments.
Nomura Strategic Income ETF | Adjustable Rate Securities Risk  
Prospectus [Line Items]  
Risk [Text Block]
Adjustable rate securities risk — During periods of rising interest rates, because changes in interest rates on adjustable rate securities may lag behind changes in market rates, the value of such securities may decline until their interest rates reset to market rates. During periods of declining interest rates, because the interest rates on adjustable rate securities generally reset downward, their market value is unlikely to rise to the same extent as the value of comparable fixed rate securities.
Nomura Strategic Income ETF | Foreign and Emerging Markets Risk [Member]  
Prospectus [Line Items]  
Risk [Text Block]
Foreign and emerging markets risk — The risk that investments in foreign securities (particularly those of issuers in emerging markets) may be adversely affected by political instability; changes in currency exchange rates; inefficient markets and higher transaction costs; foreign economic conditions; the imposition of economic or trade sanctions; or inadequate or different regulatory and accounting standards. Securities of issuers in emerging markets may be subject to greater risks than securities of issuers in more developed foreign markets because, among other things, emerging markets may have less stable political and economic environments. In addition, there often is substantially less publicly available information about issuers and such information tends to be of a lesser quality. Economic markets and structures tend to be less mature and diverse and the securities markets may also be smaller, less liquid, and subject to greater price volatility. In addition, where all or a portion of a fund’s underlying securities trade in a market that is closed when the market in which the fund’s shares are listed and trading is open, there may be differences between the last quote from the security’s closed foreign market and the value of the security during the fund’s domestic trading day. This in turn could lead to differences between the market price of a fund’s shares and the underlying value of those shares
Nomura Strategic Income ETF | Currency Risk  
Prospectus [Line Items]  
Risk [Text Block]
Currency risk — The risk that fluctuations in exchange rates between the US dollar and foreign currencies and between various foreign currencies may cause the value of an investment to decline.
Nomura Strategic Income ETF | Derivatives Risk [Member]  
Prospectus [Line Items]  
Risk [Text Block]
Derivatives risk — Derivatives contracts, such as futures, forward foreign currency contracts, options, and swaps, may involve additional expenses (such as the payment of premiums) and are subject to significant loss if a security, index, reference rate, or other asset or market factor to which a derivatives contract is associated, moves in an unanticipated direction. When used for hedging, the change in value of the derivatives instrument may also not correlate specifically with the currency, rate, or other risk being hedged, in which case a fund may not realize the intended benefits. Derivatives contracts are also subject to the risk that the counterparty may fail to perform its obligations under the contract due to, among other reasons, financial difficulties (such as a bankruptcy or reorganization).
Nomura Strategic Income ETF | Leveraging Risk [Member]  
Prospectus [Line Items]  
Risk [Text Block]
Leveraging risk — The risk that certain fund transactions, such as reverse repurchase agreements, short sales, loans of portfolio securities, and the use of when-issued, delayed delivery or forward commitment transactions, or derivatives instruments, may give rise to leverage, causing a fund to be more volatile than if it had not been leveraged, which may result in increased losses to the fund.
Nomura Strategic Income ETF | Mortgage-Backed and Asset-Backed Securities Risk [Member]  
Prospectus [Line Items]  
Risk [Text Block]
Mortgage-backed and asset-backed securities risk — Mortgage-backed and asset-backed securities, like other fixed income securities, are subject to credit risk and interest rate risk, and may also be subject to prepayment risk and extension risk. Prepayment risk is the risk that the principal on mortgage-backed or asset-backed securities may be prepaid at any time, which will reduce the yield and market value of the securities and may cause the fund to reinvest the proceeds in lower yielding securities. Extension risk is the risk that principal on mortgage-backed or asset-backed securities will be repaid more slowly than expected, which may reduce the proceeds available for reinvestment in higher yielding securities. In addition, mortgage-backed and asset-backed securities may decline in value, become more volatile, face difficulties in valuation, or experience reduced liquidity due to changes in interest rates or general economic conditions. Certain mortgage-backed or asset-backed securities, such as  collateralized mortgage obligations, real estate mortgage investment conduits, and stripped mortgage-backed securities, may be more susceptible to these risks than other mortgage-backed, asset-backed, or fixed-income securities.
Nomura Strategic Income ETF | Collateralized Loan Obligation Risk  
Prospectus [Line Items]  
Risk [Text Block]
Collateralized loan obligation risk — The risks of investing in  collateralized loan obligations (CLOs) include liquidity risk, interest rate risk, credit risk, prepayment risk, valuation risk, and the risk of default of the underlying asset, among others, and represent both the economic risks of the underlying loans held by the CLO as well as the risks associated with the CLO structure governing the priority of payments. The degree of such risk will generally correspond to the specific tranche in which a fund is invested, with lower-rated  CLO tranches often subordinate to higher-rated tranches in terms of payment priority and therefore subject to relatively greater risk. To the extent a CLO or its underlying loans experience default or are having difficulty making principal and/or interest payments, CLOs could experience losses due to actual defaults, market anticipation of defaults, or negative market sentiment toward CLO securities as an asset class. These risks may be exacerbated to the extent that a fund invests in CLO securities that are rated below investment grade.
Nomura Strategic Income ETF | Prepayment Risk [Member]  
Prospectus [Line Items]  
Risk [Text Block]
Prepayment risk — The risk that the principal on a bond that is held by a fund will be prepaid prior to maturity at a time when interest rates are lower than what that bond was paying. A fund may then have to reinvest that money at a lower interest rate.
Nomura Strategic Income ETF | Valuation Risk [Member]  
Prospectus [Line Items]  
Risk [Text Block]
Valuation risk — The risk that a less liquid secondary market may make it more difficult for a  fund  to obtain precise valuations of certain securities in its portfolio.
Nomura Strategic Income ETF | Portfolio Turnover Risk [Member]  
Prospectus [Line Items]  
Risk [Text Block]
Portfolio turnover risk — High portfolio turnover rates may increase a fund’s transaction costs and lower returns.
Nomura Strategic Income ETF | US Government Securities Risk [Member]  
Prospectus [Line Items]  
Risk [Text Block]
US government securities risk — The risk that certain US government securities, such as securities issued by Fannie Mae, Freddie Mac and the Federal Home Loan Bank system (FHLB), are not backed by the “faith and credit” of the US government and, instead, may be supported only by the credit of the issuer or by the right of the issuer to borrow from the US Treasury.
Nomura Strategic Income ETF | Government and Regulatory Risk [Member]  
Prospectus [Line Items]  
Risk [Text Block]
Government and regulatory risk — The risk that governments or regulatory authorities may take actions that could adversely affect various sectors of the securities markets and affect fund performance.
Nomura Strategic Income ETF | Active management and selection risk [Member]  
Prospectus [Line Items]  
Risk [Text Block]
Active management and selection risk — The risk that the securities selected by a fund’s management will underperform the markets, the relevant indices, or the securities selected by other funds with similar investment objectives and investment strategies. The securities and sectors selected may vary from the securities and sectors included in the relevant index.
Nomura Strategic Income ETF | ETF risk  
Prospectus [Line Items]  
Risk [Text Block]
ETF risk — The Fund is an ETF, and, as a result of an ETF’s structure, it is exposed to the following risks: “Authorized participants, market makers and liquidity providers concentration risk,” “Cash transactions risk,” “Secondary market trading risk” and “Shares may trade at prices other than NAV risk.”
Authorized participants, market makers and liquidity providers concentration risk — Only authorized participants (“APs”) may engage in creation or redemption transactions directly with a fund. A fund has a limited number of financial institutions that are institutional investors and may act as APs. In addition, there may be a limited number of market makers and/or liquidity providers in the marketplace, and they have no obligation to submit creation or redemption orders. To the extent either of the following events occur, a fund’s shares may trade at a material discount to net asset value (“NAV”) and possibly face delisting: (i) APs exit the business or otherwise become unable to process creation and/or redemption orders and no other APs step forward to perform these services, or (ii) market makers and/or liquidity providers exit the business or significantly reduce their business activities and no other entities step forward to perform their functions. These events, among others, may lead to a fund’s shares trading at a premium or discount to  NAV. A diminished market for an ETF’s shares substantially increases the risk that a shareholder may pay considerably more or receive significantly less than the underlying value of the ETF shares bought or sold.
Cash transactions risk — A fund may effect some or all of its creations and  redemptions for cash, rather than in-kind securities. As a result, a fund may have to sell portfolio securities at inopportune times in order to obtain the cash needed to meet redemption orders. This may cause a fund to sell a security and recognize a capital gain or loss that might not have been incurred if it had made a redemption in-kind. The use of cash creations and redemptions may also cause a fund’s shares to trade in the market at wider bid-ask spreads or greater premiums or discounts to the fund’s NAV.
Secondary market trading risk — Although a fund’s shares are listed on a national securities exchange, NYSE  Arca, Inc. (Exchange), and may be traded on U.S. exchanges other than the Exchange, there can be no assurance that an active or liquid trading market for them will develop or be maintained. In addition, trading in a fund’s shares on the Exchange may be halted. An exchange or market may also issue trading halts on specific securities or financial instruments. As a result, the ability to trade certain securities or financial instruments may be restricted, which may disrupt a fund’s creation/redemption process or affect the price at which shares trade in the secondary market.
Shares may trade at prices other than  NAV risk — As with all ETFs, shares of a fund may be bought and sold in the secondary market at market prices. A fund’s NAV is calculated at the end of each business day and fluctuates with changes in the market value of the fund’s holdings, while the trading price of the shares fluctuates continuously throughout trading hours on the Exchange, based on both the relative market supply of, and demand for, the shares and the underlying value of the fund’s holdings. As a result, although it is expected that the market price of the a fund’s shares will approximate the fund’s NAV, there may be times when the market price of the fund’s shares is more than the NAV intra-day (premium) or less than the NAV intra-day (discount). This risk is heightened in times of market volatility or periods of steep market declines.
Nomura Small and Mid Cap ETF | Risk Lose Money [Member]  
Prospectus [Line Items]  
Risk [Text Block] Investing in any exchange-traded fund involves the risk that you may lose part or all of the money you invest. Over time, the value of your investment in the Fund will increase and decrease according to changes in the value of the securities in the Fund’s portfolio. An investment in the Fund may not be appropriate for all investors.
Nomura Small and Mid Cap ETF | Interest rate risk [Member]  
Prospectus [Line Items]  
Risk [Text Block]
Interest rate risk — The risk that securities will decrease in value if interest rates rise. The risk is generally associated with bonds; however, because small- and medium-sized companies and companies in the real estate sector often borrow money to finance their operations, they may be adversely affected by rising interest rates. A fund may be subject to a greater risk of rising interest rates when interest rates are low or inflation rates are high or rising.
Nomura Small and Mid Cap ETF | Liquidity Risk [Member]  
Prospectus [Line Items]  
Risk [Text Block]
Liquidity risk — The possibility that investments cannot be readily sold within seven calendar days at approximately the price at which a fund has valued them.
Nomura Small and Mid Cap ETF | Government and Regulatory Risk [Member]  
Prospectus [Line Items]  
Risk [Text Block]
Government and regulatory risk — The risk that governments or regulatory authorities may take actions that could adversely affect various sectors of the securities markets and affect fund performance.
Nomura Small and Mid Cap ETF | ETF risk  
Prospectus [Line Items]  
Risk [Text Block]
ETF risk — The Fund is an ETF, and, as a result of an ETF’s structure, it is exposed to the following risks: “Authorized participants, market makers and liquidity providers concentration risk,” “Secondary market trading risk” and “Shares may trade at prices other than  NAV risk.”
Authorized participants, market makers and liquidity providers concentration risk — Only authorized participants (“APs”) may engage in creation or redemption transactions directly with a fund. A fund has a limited number of financial institutions that are institutional investors and may act as APs. In addition, there may be a limited number of market makers and/or liquidity providers in the marketplace, and they have no obligation to submit creation or redemption orders. To the extent either of the following events occur, a fund’s shares may trade at a material discount to net asset value (“NAV”) and possibly face delisting: (i) APs exit the business or otherwise become unable to process creation and/or redemption orders and no other APs step forward to perform these services, or (ii) market makers and/or liquidity providers exit the business or significantly reduce their business activities and no other entities step forward to perform their functions. These events, among others, may lead to a fund’s shares trading at a premium or discount to  NAV. A diminished market for an ETF’s shares substantially increases the risk that a shareholder may pay considerably more or receive significantly less than the underlying value of the ETF shares bought or sold.
Secondary market trading risk — Although a fund’s shares are listed on a national securities exchange, NYSE  Arca, Inc. (Exchange), and may be traded on U.S. exchanges other than the Exchange, there can be no assurance that an active or liquid trading market for them will develop or be maintained. In addition, trading in a fund’s shares on the Exchange may be halted. An exchange or market may also issue trading halts on specific securities or financial instruments. As a result, the ability to trade certain securities or financial instruments may be restricted, which may disrupt a fund’s creation/redemption process or affect the price at which shares trade in the secondary market.
Shares may trade at prices other than  NAV risk — As with all ETFs, shares of a fund may be bought and sold in the secondary market at market prices. A fund’s NAV is calculated at the end of each business day and fluctuates with changes in the market value of the fund’s holdings, while the trading price of the shares fluctuates continuously throughout trading hours on the Exchange, based on both the relative market supply of, and demand for, the shares and the underlying value of the fund’s holdings. As a result, although it is expected that the market price of the a fund’s shares will approximate the fund’s NAV, there may be times when the market price of the fund’s shares is more than the NAV intra-day (premium) or less than the NAV intra-day (discount). This risk is heightened in times of market volatility or periods of steep market declines.
Nomura Small and Mid Cap ETF | Market Risk [Member]  
Prospectus [Line Items]  
Risk [Text Block]
Market risk — The risk that all or a majority of the securities in a certain market — such as the stock or bond market — will decline in value because of factors such as adverse political or economic conditions, future expectations, investor confidence, or heavy institutional selling.
Nomura Small and Mid Cap ETF | Company size risk [Member]  
Prospectus [Line Items]  
Risk [Text Block]
Company size risk — The risk that investments in small- and/or medium-sized companies may be more volatile than those of larger companies because of limited financial resources or dependence on narrow product lines.
Nomura Small and Mid Cap ETF | Industry and sector risk  
Prospectus [Line Items]  
Risk [Text Block]
Industry and sector risk — The risk that the value of securities in a particular industry or sector (such as industrials) will decline because of changing expectations for the performance of that industry or sector.
Nomura Small and Mid Cap ETF | Industrials sector risk [Member]  
Prospectus [Line Items]  
Risk [Text Block]
Industrials sector risk — The risk that the value of a fund’s shares will be affected by factors particular to the industrials and related sectors (such as government regulation) and may fluctuate more widely than that of a fund that invests in a broad range of sectors.
Nomura Small and Mid Cap ETF | Active Managment and Selection Risk  
Prospectus [Line Items]  
Risk [Text Block]
Active management and selection risk — The risk that the securities selected by a fund’s management will underperform the markets, the relevant indices, or the securities selected by other funds with similar investment objectives and investment strategies. The securities and sectors selected may vary from the securities and sectors included in the relevant index.