According to @FarsideUK, Grayscale’s Bitcoin ETF (GBTC) recorded a daily flow of 139.6 million US dollars on Nov 18, 2025, source: https://twitter.com/FarsideUK/status/1990923830324293915. The full dataset, fund-level breakdowns, and disclaimers for US spot Bitcoin ETF flows are available on Farside Investors’ dashboard, source: https://farside.co.uk/btc/. The dashboard also lists other US spot BTC ETFs for same-day comparison of fund flows and relative positioning, source: https://farside.co.uk/btc/.