According to the source, a Bitcoin 'After Dark' ETF is being discussed as a product that would target BTC price action during U.S. off-hours, but the user-provided material does not include any primary documentation. Source: user-provided social media post. Before trading on this headline, confirm an official SEC filing on EDGAR such as a Form S-1 or N-1A for registration and a related Rule 19b-4 proposal for exchange listing, which together detail structure (spot vs. futures), fees, benchmark, creation/redemption mechanics, and trading hours. Source: SEC EDGAR database and SEC Exchange Act Rule 19b-4. If the product uses futures, check CME Bitcoin futures contract specs, session hours, and margining to understand potential basis and overnight liquidity considerations versus BTC spot. Source: CME Group product specifications for Bitcoin futures. For any U.S.-listed ETF, verify the primary listing exchange, indicative NAV dissemination, market makers, and expected spreads during pre-market and after-hours sessions to assess fill quality and slippage risk. Source: Exchange listing rules and market data from NYSE/Nasdaq. Do not commit capital until the issuer name, ticker, fee bps, custodian, valuation methodology, and rebalancing policy are available in official filings or an issuer press release. Source: SEC issuer filings and issuer press releases.