Key Takeaways
- • US spot Bitcoin ETFs recorded a net outflow of $120.24 million on September 9, 2026, marking the second consecutive trading day of capital flight from Bitcoin products.
- • Ark Invest's ARKB led Bitcoin outflows with $77.98 million exiting, while BlackRock's IBIT shed $19.53 million; Morgan Stanley's MSBT was the sole Bitcoin ETF to attract inflows at $4.49 million.
- • Spot Ethereum ETFs reversed course with $34.75 million in net inflows on the same day, demonstrating a divergence in institutional capital flows between the two largest cryptocurrency ETF categories.
- • BlackRock's staking ETF ETHB captured the largest Ethereum inflow at $22.94 million, followed by ETHA with $9.71 million and 21Shares' TETH with $2.1 million.
- • The divergence signals shifting institutional allocation preferences, with Ethereum attracting fresh capital while Bitcoin experiences consecutive days of redemptions.
Summary
The outflow pattern was not uniform across all Bitcoin ETF providers. Morgan Stanley's MSBT attracted $4.49 million in net inflows during the same period, suggesting selective accumulation among certain institutional investors and highlighting that not all Bitcoin ETF capital is moving in the same direction. This divergence may reflect different investor bases, fee structures, or specific investment mandates associated with individual Bitcoin products.
Ethereum spot ETFs exhibited markedly different capital dynamics on the same trading day, recording $34.75 million in net inflows and reversing a one-day outflow pattern. This turnaround underscores a tactical rotation away from Bitcoin into Ethereum products within the cryptocurrency ETF ecosystem. BlackRock's staking ETF, ETHB, commanded the strongest inflow at $22.94 million, suggesting institutional demand for Ethereum exposure with embedded staking yield. BlackRock's non-staking Ethereum vehicle, ETHA, drew $9.71 million, while 21Shares' TETH captured $2.1 million, indicating broad institutional appetite across multiple Ethereum ETF structures.
The divergent flows between Bitcoin and Ethereum ETFs during this two-day window signal a meaningful reallocation of institutional capital within the cryptocurrency ETF complex, with investors selectively reducing Bitcoin exposure while simultaneously increasing Ethereum positions.
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