Lookonchain
Spot Bitcoin ETFs booked $578.22M in net inflows on Oct 20, the strongest single-day haul in months. Total net inflows across all BTC spot ETFs summed to +7,103 BTC on the session, lifting the seven-day tally to +4,965 BTC ($404.18M).
The same window flipped spot Ether ETFs the other way. Ethereum products shed 42,349 ETH ($101.34M) on Oct 20 alone, marking the seventh straight day of redemptions and pushing the seven-day cumulative outflow to 143,108 ETH ($342.45M).
Why it matters
The split is clean enough to read as rotation. BTC captures a fresh institutional print on the tape while ETH funds face steady redemption pressure, a pattern consistent with capital migrating back into the larger, deeper BTC complex as risk appetite consolidates around the leader.
Market impact
Watch the cumulative ETH side: seven consecutive outflow days against a parallel inflow run on BTC is the kind of divergence that typically drives the ETH/BTC ratio lower before the two cohorts re-converge. If the ETH streak breaks tomorrow with a positive print, the rotation thesis weakens. If it extends, the ratio trade has another leg.
Frequently asked questions
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How much did spot Bitcoin ETFs pull in on Oct 20?
Spot BTC ETFs booked +7,103 BTC in net inflows on Oct 20, worth roughly $578.22M, with the seven-day cumulative sitting at +4,965 BTC ($404.18M).
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What happened with Ethereum ETFs on the same day?
Spot Ether ETFs shed 42,349 ETH ($101.34M) on Oct 20, extending a seven-day outflow streak to a cumulative 143,108 ETH ($342.45M) in redemptions.
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Why are BTC and ETH ETFs moving in opposite directions?
The clean split is being read as capital rotation rather than a broad retreat, with institutional flows consolidating around the larger, deeper BTC complex while ETH funds face steady redemption pressure.
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What does the ETH outflow streak mean for the ETH/BTC ratio?
Sustained ETH outflows against parallel BTC inflows typically weigh on the ratio first, often before the two cohorts re-converge once the streak breaks.
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What should investors watch next to confirm or break the rotation thesis?
Tomorrow's ETH ETF flow print is the key tell: a positive day would weaken the rotation read, while an eighth consecutive outflow would suggest the ratio trade has another leg lower.
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