According to @FarsideUK, Bitwise’s US spot Bitcoin ETF (BITB) recorded a -$18.2 million net daily flow on Sep 9, 2025, indicating redemptions exceeded creations that day, source: twitter.com/FarsideUK/status/1965555536960647531 and farside.co.uk/btc. According to @FarsideUK, Bitwise allocates 10% of profits from this product to Bitcoin developers, source: twitter.com/FarsideUK/status/1965555536960647531. According to @FarsideUK, negative daily ETF flow is tracked as a measure of softer US spot ETF demand for BTC exposure on the day, with flow data compiled on farside.co.uk/btc, source: farside.co.uk/btc.