Bitcoin Volatility ETF 2x Bitcoin Volatility ETF -1x Bitcoin Volatility ETF Bitcoin Volatility ETF 2x Bitcoin Volatility ETF -1x Bitcoin Volatility ETF Aggressive Investment Risk [Member] Compounding Risk [Member] Leveraged Correlation Risk [Member] Inverse Correlation Risk [Member] Target Exposure and Rebalancing Risks [Member] Investment Strategy Risk [Member] BVX Investing Risk [Member] BVX Futures Contracts Risk [Member] Investment Capacity Risk [Member] Leverage Risk [Member] Derivatives Risk [Member] Swap Agreements Risk [Member] Options Risk [Member] Reverse Repurchase Agreements Risk [Member] Risks Related to Investing in Other ETFs [Member] Collateral Investments Risk [Member] Counterparty Risk [Member] Clearing Broker Risk [Member] Interest Rate Risk [Member] New Fund Risk [Member] Non-Diversification Risk [Member] Volatility Risk [Member] Active Management Risk [Member] Frequent Trading Risk [Member] Rebalancing Risk [Member] Operational Risk [Member] Valuation Risk [Member] Trading Issues Risk [Member] Authorized Participant Concentration Risk [Member] Market Maker Risk [Member] Premium/Discount Risk [Member] Active Market Risk [Member] Active Markets Risk [Member] Cash Transaction Risk [Member] Subsidiary Regulatory Risk [Member] Commodity Regulatory Risk [Member] Natural Disaster/Epidemic Risk [Member] Cyber Security Risk [Member] Tax Risk [Member] Subsidiary Regulatory Risk Member Collateral Investments Risk Member Premium Discount Risk Member Rebalancing Risk Member Options Risk Member Non Diversification Risk Member Swap Agreements Risk Member Market Maker Risk Member Trading Issues Risk Member Investment Strategy Risk Member Aggressive Investment Risk Member Tax Risk Member Operational Risk Member Active Market Risk Member New Fund Risk Member S000105435 Member Risks Related To Investing In Other ETFs Member Active Management Risk Member Compounding Risk Member S000105437 Member Reverse Repurchase Agreements Risk Member Cash Transaction Risk Member Counterparty Risk Member C000276201 Member Clearing Broker Risk Member BVXFutures Contracts Risk Member Leverage Risk Member Volatility Risk Member Valuation Risk Member Investment Capacity Risk Member Derivatives Risk Member S000105436 Member Active Markets Risk Member Cyber Security Risk Member BVXInvesting Risk Member C000276200 Member Inverse Correlation Risk Member Natural Disaster Epidemic Risk Member C000276202 Member Commodity Regulatory Risk Member Target Exposure And Rebalancing Risks Member Frequent Trading Risk Member Interest Rate Risks Member Leveraged Correlation Risk Member Authorized Participant Concentration Risk Member