Bitwise's BHYP and 21Shares' THYP generated $6.11 million in opening-day trading, nearly matching the $6.41 million posted by the prior eight 2026 U.S. spot altcoin ETF launches combined. BHYP alone recorded $4.31 million in debut trading volume on May 15, the largest opening day among this year's U.S. spot altcoin fund launches. THYP has already recorded $10.6 million in cumulative inflows across its first four trading days, while BHYP net inflows have not yet appeared in the available dataset.