Yesterday, U.S. spot Bitcoin ETFs recorded a single-day net inflow of $998.96 million.

According to data from Trader T, US Bitcoin spot ETFs recorded combined net inflows of $998.96 million on September 21, setting a new single-day net inflow record for 2026. Specifically, BlackRock IBIT saw net inflows of $381.37 million, ARK Invest ARKB recorded $289.12 million, Fidelity FBTC posted $238.84 million, Morgan Stanley MSBT gained $61.67 million, Bitwise BITB attracted $21.56 million, Grayscale GBTC received $3.34 million, and Grayscale BTC took in $3.06 million, while remaining products reported zero net flows.