[Yesterday, U.S. Bitcoin Spot ETFs Recorded a Single-Day Net Inflow of $998.96 Million] According to Deep Tide TechFlow, on September 22, data from Trader T showed that U.S. Bitcoin spot ETFs had a combined net inflow of $998.96 million on September 21, marking a new single-day net inflow high for 2026. Among them, BlackRock's IBIT saw a net inflow of $381.37 million, ARK Invest's ARKB had a net inflow of $289.12 million, Fidelity's FBTC recorded a net inflow of $238.84 million, Morgan Stanley's MSBT had a net inflow of $61.67 million, Bitwise's BITB recorded a net inflow of $21.56 million, Grayscale's GBTC saw a net inflow of $3.34 million, and Grayscale's BTC had a net inflow of $3.06 million. Other products reported zero fund flows.