Huo Xing Finance reports, according to Rootdata data, on October 21, 2026 (Eastern Time), the total net inflow for spot Bitcoin ETFs reached $525 million in a single day.
The Bitcoin spot ETF with the highest net inflow for the day was BlackRock’s IBIT, with a net inflow of $2.35 billion; as of this trading day, IBIT’s cumulative net inflow since inception reached $66.528 billion.
Second is Fidelity's ETF FBTC, with a net inflow of $213 million on the day, bringing its cumulative net inflow to $10.593 billion as of this trading day.
Bitcoin spot ETFs recorded a $525 million net inflow on October 21, 2026.
MarsBitShare
Summary
Bitcoin news: Spot ETFs recorded a $525 million net inflow on October 21, 2026, according to on-chain data from MarsBit. BlackRock’s IBIT led with $235 million, reaching a total of $66.528 billion. Fidelity’s FBTC added $213 million, bringing its total to $10.593 billion.
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