U.S. spot Bitcoin (CRYPTO: BTC) ETFs pulled in $998.95 million Monday, their largest single-day inflow in 11 months, as Bitcoin briefly surged above $87,000. What the ETF Data Shows According to SoSoValue data, BlackRock's IBIT (NASDAQ:IBIT) led the inflows with $381.4 million, followed by Ark & 21Shares‘ ARKB (BATS:ARKB) at $289.1 million and Fidelity's FBTC (BATS:FBTC) at $238.8 million.