WuBlockchain
Spot Bitcoin ETFs have set a historic record with 13 consecutive days of net outflows running from May 15 to June 3, according to Galaxy Research. Cumulative outflows over the streak reached $4.33 billion — equivalent to approximately 59,351 BTC — marking the most severe sustained selling pressure the product category has ever seen.
Why it matters
The scale of the exodus goes beyond the headline streak. Galaxy Research's rolling-window data tells the deeper story: the 7-day outflow window hit $2.78 billion, the 10-day window reached $3.06 billion, and the 20-day window clocked $5.42 billion (73,080 BTC) — all-time records for their respective periods. That means the selling wasn't a single-session flush; it was sustained, broad, and accelerating across timeframes. For a product class that was celebrated as a structural demand driver for BTC when it launched, a record outflow streak of this magnitude signals a meaningful shift in institutional sentiment.
Market impact
With 73,080 BTC in net outflows over the 20-day window, the ETF complex has flipped from a net absorber to a net supplier of Bitcoin into the market. Historically, prolonged ETF outflow streaks have correlated with price weakness and reduced on-chain accumulation. Traders will be watching whether the streak breaks and inflows resume as a key signal that institutional conviction is returning — until then, the ETF data remains a headwind for BTC price action.
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