U.S. spot Bitcoin ETFs recorded about $450.4 million in net outflows on Sept. 15, their biggest daily withdrawal since June, while Bitcoin (BTC) slid toward $75,000.
Key Points:
- U.S. spot Bitcoin ETFs lost about $450.4 million on Sept. 15, reversing the previous session’s inflow.
- Fidelity’s FBTC and BlackRock’s IBIT accounted for most of the withdrawals.
- The outflow arrived alongside a failed Senate vote on the CLARITY Act, but the timing alone does not establish causation.
Bitcoin ETF Outflows
The Sept. 15 reversal followed a $160.04 million net inflow one day earlier, which had ended a four-session stretch of withdrawals totaling about $461 million. CoinCodex, citing SoSoValue data, reported that the latest outflow was the largest since late June.
Fidelity’s FBTC recorded about $218 million in withdrawals, while BlackRock’s IBIT lost $161.7 million. Grayscale’s GBTC shed $44.1 million, ARKB lost $17.4 million and BITB posted $12.4 million in outflows.
The move also came after the U.S. Senate failed to advance the CLARITY Act on Sept. 15, falling short of the 60 votes needed in the procedural vote. Bitcoin fell nearly 3% after the vote and traded around $75,600, according to CoinCodex.
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CryptoQuant Signals
The overlap between ETF selling and the legislative setback drew attention because both occurred during a broader decline in crypto sentiment.
Still, ETF flow data does not show that the Senate result directly caused investors to withdraw money from the funds.
CryptoQuant data cited by CoinCodex showed short-term Bitcoin holders moving more BTC to centralized exchanges, a pattern that can precede selling. A CryptoQuant analyst described the activity as evidence of “structural nervousness” among short-term holders as losses increased.
For ETF investors, the key issue is whether the Sept. 15 withdrawal develops into another sustained negative streak. One heavy session does not establish a lasting change in institutional demand, but repeated outflows could add pressure while Bitcoin remains below recent levels.
The latest withdrawal was still smaller than the $696.29 million outflow recorded on June 25. June finished with about $4.5 billion in net Bitcoin ETF outflows, the sector’s worst month on record, before July and August returned to positive net inflows.
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