Bitcoin ETFs post biggest inflow day since October as price rallies
Monday's $999 million haul was the largest for US spot Bitcoin ETFs in nearly a year, though CryptoRank.io says the funds remain roughly $450 million in the red for 2026.
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US-listed spot Bitcoin ETFs took in $998.95 million on Monday, the largest single-day total since October 6, 2025 and the ninth-largest since the funds launched in January 2024, according to The Coin Republic. BlackRock's IBIT led with $381.37 million, followed by ARKB with $289.12 million and Fidelity's FBTC with $238.84 million, CryptoRank.io reported.
The inflow followed a sharp move in Bitcoin itself. The token briefly topped $84,000 on Monday for the first time since January 31, then touched roughly $87,300 at its peak, its highest level since January, according to Cryptonomist. By 3 a.m. Tuesday it was trading near $85,400, up 4.7% over the prior 24 hours. BeInCrypto, citing CoinGlass data, reported that a short squeeze liquidated $262.3 million in bearish positions within an hour on Monday, a move that appeared to precede the ETF inflow figure itself.
Monday's total capped a run of four straight positive sessions worth a combined $1.956 billion, based on Farside Investors data cited by TS2.tech, a reversal from a $746.3 million two-day outflow on September 15 and 16. BeInCrypto noted that flows had not turned reliably positive again until September 17, when Bitcoin's price resumed climbing. Spot Ethereum ETFs also joined the rebound, taking in $269.98 million on Monday, their largest single-day gain since October 7, 2025, as Ether traded near $2,730, according to Cryptonomist, which cited SoSoValue data.
CryptoRank.io reported that despite the rally, US spot Bitcoin ETFs still show a roughly $450 million net outflow for the year to date. Even so, the shift marks a reversal from the outflow pressure that weighed on the funds earlier, and renewed net buying of this kind has historically tended to coincide with sustained price strength rather than a short-covering bounce. If the inflows continue, they would point to institutional demand re-engaging at current prices, a signal investors tend to read as support for further gains rather than a brief rebound.