According to @FarsideUK, US spot Bitcoin ETFs recorded total net outflows of $366.6 million on 2025-10-17, based on the Farside Investors flow dashboard at farside.co.uk/btc. According to @FarsideUK, BlackRock’s iShares Bitcoin Trust (IBIT) saw -$268.6 million and Fidelity’s FBTC saw -$67.4 million, together accounting for roughly 91.8% of the day’s aggregate outflow. According to @FarsideUK, Grayscale’s GBTC posted -$25 million and Valkyrie’s BRRR recorded -$5.6 million, while BITB, ARKB, BTCO, EZBC, HODL, and BTCW reported zero net flow.