US crypto ETFs pulled in $3.04 billion from Monday through Thursday, with Bitcoin absorbing $2.25 billion of that total. Nearly $800 million moved into Ethereum, Solana, XRP and Zcash funds instead, and Bitcoin is now struggling to clear $85,000 even as the buying continues.
US spot crypto ETFs tracking Bitcoin, Ethereum, Solana, XRP and Zcash pulled in about $3.04 billion of combined net inflows from Monday through Thursday, according to SoSoValue data. Bitcoin funds took in $2.25 billion of that sum. The remaining four assets absorbed almost $793 million between them, a sign that ETF demand is spreading beyond the largest cryptocurrency.
Bitcoin ETFs post the year's biggest inflow day
Bitcoin spot ETFs opened the week with a $999 million inflow, the strongest daily total of 2026 and the largest since the funds drew about $1.2 billion on Oct. 6, 2025. Those purchases represented roughly 11,530 BTC, the biggest single-day intake in coin terms since November 2024.
The funds then added $190.65 million on Thursday, a fourth straight positive session that extended the four-day haul to $2.25 billion. Bitfinex said the ETF demand had re-emerged alongside corporate treasury buying, creating simultaneous sources of spot demand for the first time this year.
Yet the buying has not produced another leg higher. Bitcoin has struggled to extend its rally above $85,000 since Tuesday after reaching as high as $87,392 on Sept. 21.
Bitfinex identified a concentration of recent buying between $85,000 and $86,500, putting its estimate of the aggregate ETF investor break-even level near $86,000. That leaves the latest buyers near the center of the current trading range, so continued inflows matter for the rally to hold.
Ethereum absorbs most of the non-Bitcoin demand
US spot Ethereum ETFs attracted $602.94 million from Monday through Thursday, more than three-quarters of all capital that moved into non-Bitcoin products. Bitfinex said Monday's $270 million inflow was the largest for Ethereum ETFs since Oct. 7, 2025. Bitcoin and Ethereum together therefore absorbed about $2.85 billion, almost 94% of the five assets' combined inflows this week.
Solana, XRP and Zcash draw smaller but broader flows
Solana products attracted $101.55 million over the same four days. XRP ETFs added $52.95 million, and Zcash products drew $35.17 million.
Bitfinex reported that all 35 non-Bitcoin pairs it tracked advanced between Sept. 18 and Sept. 22, with a median gain of 12%, compared with Bitcoin's 6.6% rise over the same stretch. Its altcoin-season indicator turned positive on Sept. 22 for the first time since January.
Whether that broader altcoin demand persists now depends on Bitcoin holding above the $85,000 level where its latest ETF buyers sit.
Source: CryptoSlate
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