As of October 21, 2026, the total net inflow for Bitcoin spot ETF was $525 million, with BlackRock's IBIT leading the way with a net inflow of $235 million

According to Rootdata, on October 21, 2026 (Eastern Time), the total net inflow of Bitcoin spot ETFs in a single day was $525 million.

The Bitcoin spot ETF with the highest single-day net inflow that day was BlackRock ETF IBIT, with a single-day net inflow of $235 million. As of that trading day, IBIT's historical cumulative net inflow was $66.528 billion.

Following that was Fidelity ETF FBTC, with a single-day net inflow of $213 million. As of that trading day, FBTC's historical cumulative net inflow was $10.593 billion.