Kurv Gold & Mining Enhanced Income ETF Gold Risk [Member] Gold Mining Companies Risk [Member] Special Risk Considerations of Investing in Canadian Issuers [Member] Special Risk Considerations of Investing in Australian Issuers [Member] Special Risk Considerations of Investing in African Issuers [Member] Exchange Traded Product (ETP) Risk [Member] Risks of Investing in Other Investment Companies [Member] Derivatives Risk [Member] Options Risk [Member] Call Risk [Member] Credit Risk [Member] Currency Risk [Member] Emerging Markets Risk [Member] Equity Risk [Member] Exchange-Traded Fund (ETF) Structure Risk [Member] Market Price Variance Risk [Member] Authorized Participant Risk [Member] Trading Issues [Member] Absence of Active Trading Market Risk [Member] FLEX Options Risk [Member] Foreign (Non-U.S.) Investment Risk [Member] High Yield Risk [Member] Interest Rate Risk [Member] Leveraging Risk [Member] Liquidity Risk [Member] Management Risk [Member] Market Risk [Member] Mortgage-Related and Other Asset-Backed Securities Risk [Member] New Fund Risk [Member] Sector Focus Risk [Member] Gold Sector Risk [Member] Mining Sector Risk [Member] Metals Commodity Sector Risk [Member] Short Exposure Risk [Member] Small Fund Risk [Member] Sovereign Debt Risk [Member] Tax Risk [Member] Wholly-Owned Subsidiary Risk [Member] Kurv Silver & Mining Enhanced Income ETF Silver Risk [Member] Silver Mining Companies Risk [Member] Silver Sector Risk [Member] Kurv Gold & Mining Enhanced Income ETF [Member] Kurv Silver & Mining Enhanced Income ETF [Member] Kurv Gold & Mining Enhanced Income ETF. Kurv Gold & Mining Enhanced Income ETF. Kurv Silver & Mining Enhanced Income ETF. Kurv Silver & Mining Enhanced Income ETF. Wholly-Owned Subsidiary Risk. Tax Risk. Sovereign Debt Risk. Small Fund Risk. Short Exposure Risk. Metals Commodity Sector Risk. Mining Sector Risk. Silver Sector Risk. Sector Focus Risk. New Fund Risk. Market Risk. Management Risk. Liquidity Risk. Leveraging Risk. High Yield Risk. Equity Risk. Emerging Markets Risk. Currency Risk. Call Risk. Options Risk. Derivatives Risk. Exchange Traded Product (ETP) Risk. Special Risk Considerations of Investing in African Issuers. Silver Mining Companies Risk. Silver Risk. Gold Sector Risk. Gold Mining Companies Risk. Gold Risk. Special Risk Considerations of Investing in Canadian Issuers. Special Risk Considerations of Investing in Australian Issuers. Risks of Investing in Other Investment Companies. Credit Risk. Exchange-Traded Fund (ETF) Structure Risk. Market Price Variance Risk. Authorized Participant Risk. Trading Issues. Absence of Active Trading Market Risk. FLEX Options Risk. Foreign (Non-U.S.) Investment Risk. Interest Rate Risk. Mortgage-Related and Other Asset-Backed Securities Risk.