Lookonchain
Spot Bitcoin ETFs logged a +$139.54M net inflow on May 15, equal to +1,761 BTC, snapping back from a brutal week that saw 7-day netflow sit at -12,802 BTC (-$1.01B). The single-day green print is the first positive session in what has otherwise been a heavy redemption cycle for US spot BTC products.
Why it matters
Ethereum spot ETFs told the opposite story on the day and the week. May 15 outflows hit -2,350 ETH (-$5.21M), pushing the 7-day cumulative to -93,376 ETH (-$206.83M). ETH has now bled for seven straight sessions alongside BTC, even as the majors' spot price has held range — a sign the ETF channel is doing distribution work for both assets rather than absorbing supply.
Market impact
Solana's ETF sleeve ran counter to both. May 15 net inflow of +125,256 SOL (+$11.15M) extended a 7-day streak to +672,781 SOL (+$59.88M) — the only one of the three majors to print green on both windows. The divergence suggests institutional appetite is consolidating around SOL products while BTC and ETH vehicles work through a redemption overhang, with the next several sessions likely to determine whether May 15's BTC bounce is a one-day mean-reversion or the start of a fresh inflow leg.
Frequently asked questions
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What was the May 15 netflow for spot Bitcoin ETFs?
Spot Bitcoin ETFs booked +1,761 BTC of net inflow on May 15, equal to +$139.54M — the first positive session after seven straight days of outflows totaling -$1.01B.
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How did Ethereum ETFs perform on May 15?
Ethereum spot ETFs saw -2,350 ETH of net outflow on May 15 (-$5.21M), extending a 7-day cumulative bleed to -93,376 ETH (-$206.83M).
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Did Solana ETFs see inflows on May 15?
Yes. Solana ETFs printed +125,256 SOL of net inflow on May 15 (+$11.15M), bringing the 7-day cumulative to +672,781 SOL (+$59.88M).
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Why is the May 15 BTC print significant after a red week?
It was the first green session after seven consecutive outflows totaling -$1.01B. The single-day rebound alone does not confirm a trend reversal — the next several sessions will determine whether it is one-day mean-reversion or the start of a fresh inflow leg.
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What does the divergence between BTC, ETH, and SOL ETF flows suggest?
BTC and ETH vehicles are working through a redemption cycle while SOL products continue to attract inflows on both daily and weekly windows. The split points to institutional demand consolidating in Solana products as BTC and ETH channels distribute supply.
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