The Sept. 21 session brought $998.95 million in net inflows to spot BTC ETFs, $269.98 million to spot ETH ETFs and $26.1 million to spot SOL ETFs. Combined inflows reached $1.295 billion.
Why it matters
The flows were positive across all three listed crypto assets, showing demand was not limited to Bitcoin exposure. BTC still captured the clear majority, with ETH and SOL adding breadth to the session.
Market impact
The figures put Bitcoin at the center of the day's institutional ETF demand, while the ETH and SOL inflows provide a broader read on appetite for regulated spot exposure. Further sessions will show whether the multi-asset flow pattern persists.
Frequently asked questions
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How much did spot BTC ETFs attract on Sept. 21?
Spot BTC ETFs recorded $998.95 million in net inflows on Sept. 21, the largest total among the three assets.
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How did ETH ETF inflows compare with BTC inflows?
Spot ETH ETFs drew $269.98 million, below the $998.95 million recorded by spot BTC ETFs.
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How much capital flowed into SOL spot ETFs?
Spot SOL ETFs recorded $26.1 million in net inflows on Sept. 21.
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What was the combined inflow across BTC, ETH and SOL ETFs?
The three spot ETF markets recorded combined net inflows of $1.295 billion.
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Did all three spot ETF markets post positive flows?
Yes. BTC, ETH and SOL spot ETFs all recorded net inflows on Sept. 21, extending demand across all three assets.
CoinTelegraph