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U.S. spot Bitcoin ETFs posted $6.35 billion in net outflows over the trailing 30 days, the largest 30-day outflow on record across all 582 rolling windows tracked by Galaxy Research since the funds launched in January 2024. The figure extends a multi-week streak of net redemptions that has pulled cumulative AUM down from spring highs.
Why it matters
The 30-day window beats every prior stretch, including the August 2024 Japan carry-unwind episode and the March 2025 risk-off leg. Galaxy's dataset runs across the full post-launch history, so the ranking isn't a cherry-picked comparison — it is the worst institutional demand print on record for the U.S. spot complex. When registered RIAs and prop desks are net sellers across a full month, it usually signals de-risking into a known catalyst rather than tactical rebalancing.
Market impact
Spot BTC has lagged the broader risk-asset complex during the outflow window, and the basis on CME futures has compressed in parallel — a sign the selling pressure is flowing through authorized-participant creation and redemption rather than offshore perp shorts. Watch the next two weekly prints: a second consecutive sub-$1B outflow week would confirm the trend is structural, while a single week of net inflows would suggest the record print was a forced seller exiting rather than a regime change.
Frequently asked questions
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How large were the U.S. spot Bitcoin ETF outflows over the 30-day window?
Galaxy Research tracked $6.35 billion in net outflows from U.S. spot Bitcoin ETFs over the trailing 30 days, the largest 30-day outflow on record across all 582 rolling windows since the funds launched in January 2024.
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Why does the 582-window ranking matter more than the dollar figure?
The dataset covers every rolling 30-day period since spot BTC ETFs launched, so the ranking isn't a cherry-picked comparison — it's the worst institutional demand print on record for the U.S. spot complex, beating the August 2024 Japan carry-unwind stretch and the March 2025 risk-off leg.
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Is the selling driven by offshore perp shorts or authorized-participant flow?
CME futures basis compressed in parallel with the outflows, a pattern consistent with authorized-participant creation and redemption rather than offshore perpetual-short positioning driving the move.
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What would distinguish a forced seller exiting from a structural trend?
A single follow-up week of net inflows would suggest the record print was a one-sided forced exit; a second consecutive sub-$1B outflow week would confirm the trend is structural rather than event-driven.
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Which prior episodes does this outflow window exceed?
Per Galaxy's 582-window dataset, the current 30-day outflow stretch ranks worse than the August 2024 Japan carry-unwind episode and the March 2025 risk-off leg, marking it as the worst institutional demand print since spot BTC ETFs debuted in January 2024.
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