<ul>
 <li>US spot bitcoin ETFs took in $998.95 million in a single day, the largest daily inflow since October 2025</li>
 <li>BlackRock’s IBIT led with $381.4 million, followed by Ark and 21Shares’ ARKB at $289.1 million and Fidelity’s FBTC at $238.8 million</li>
 <li>Spot ether ETFs separately pulled in $269.98 million, their own largest daily inflow since October 2025</li>
</ul>
US spot bitcoin ETFs absorbed $998.95 million in a single day this week, the category’s largest daily inflow since a $1.2 billion day in October 2025, according to flow data tracked by <a href="https://farside.co.uk/btc/" rel="noopener noreferrer nofollow">Farside Investors</a>. The inflow landed the same day bitcoin’s price broke above key technical levels on its way to $86,000, a pairing that points to institutional buying reinforcing the retail-driven rally rather than trailing behind it.
<a href="https://www.ishares.com/us/products/333011/ishares-bitcoin-trust-etf" rel="noopener noreferrer nofollow">BlackRock’s IBIT</a> led the pack with $381.4 million in net inflows, followed by Ark and 21Shares’ ARKB at $289.1 million and Fidelity’s FBTC at $238.8 million. Grayscale, Bitwise, and Morgan Stanley-linked funds also recorded positive flows, spreading the day’s demand across a wider set of issuers than a single-fund-driven spike would typically produce.
Spot ether ETFs saw a parallel move, pulling in $269.98 million, their own largest daily inflow since October 2025. The fact that both bitcoin and ether funds saw their best days in nearly a year on the same trading day suggests institutional allocators were adding exposure to crypto broadly rather than rotating between the two largest tokens.
Analysts pointed to a mix of factors behind the inflow surge rather than a single catalyst. Zeus Research’s Dominick John described the move as signaling a broader repricing of risk, underpinned by renewed institutional allocation, short-covering activity in the futures market, and a more supportive macro backdrop of falling oil prices and easing Treasury yields. ViaBTC’s Jeff Ko characterized the underlying price action as a technical breakout above $82,000 that brought systematic trading strategies back into the market, which can show up in ETF flows within the same trading session as the price move itself.
A single day of strong inflows does not by itself confirm a sustained trend, and ETF flows have swung sharply in both directions over the past year depending on macro conditions. The next several trading days of flow data, published daily by fund issuers and aggregated by third-party trackers, will show whether Monday’s demand reflects a durable shift in institutional positioning or a one-time reaction to the price breakout.
Spot bitcoin ETFs have now been trading for close to two years, long enough that issuers and analysts increasingly compare single-day flow figures against the category’s own trading history rather than treating any one number in isolation. Measured against that longer record, a day approaching $1 billion sits among the strongest since the funds launched, though it remains well short of the largest single-day inflows recorded during the category’s first several months on the market, when pent-up institutional demand was still working its way in for the first time.
This post first appeared in <a rel="noopener noreferrer nofollow" href="https://cryip.co/spot-bitcoin-etfs-pull-in-999-million-in-a-day-the-most-since-october-2025/">Spot Bitcoin ETFs Pull In $999 Million in a Day, the Most Since October 2025</a>

Spot Bitcoin ETFs Pull In $999 Million in a Day, the Most Since October 2025

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