US spot Bitcoin exchange-traded funds posted one of their sharper recent reversals across two consecutive trading days in late October 2026, according to daily flow data compiled by Farside Investors. On October 21, the category pulled in a combined net inflow of $524.8 million, with BlackRock's IBIT leading at $235.0 million and Fidelity's FBTC close behind at $212.7 million. Smaller contributions came from Bitwise's BITB at $19.2 million, ARK 21Shares' ARKB at $9.8 million, Franklin Templeton's EZBC at $7.3 million, Grayscale's GBTC at $32.6 million, and Grayscale's mini bitcoin trust at $8.2 million, meaning essentially every major fund in the category posted a positive day.