U.S. Spot Ether ETFs Bleed $2.35 Billion in Seven-Week Outflow Streak

U.S. spot Ether exchange-traded funds lost $2.35 billion over seven consecutive weeks of withdrawals, with October alone accounting for $1.607 billion — the largest monthly outflow since the funds began trading in July 2024, according to flow data compiled across the products.

BlackRock's iShares Ethereum Trust (ETHA), the largest fund in the category, drove the bulk of the damage. ETHA shed $1.42 billion in October. During the heaviest withdrawal weeks, it represented 85% to 90% of total outflows across the Ether ETF complex, the data shows. Fidelity's FETH was the outlier, posting modest inflows that month.

The streak did not stop at the calendar turn. Outflows continued into November, extending a pullback that had already produced $431.4 million in net exits over just five sessions, from Oct. 26 through Oct. 30, according to a five-session tally of the flows.

What changed between September and October?

The reversal was sharp. Ether ETF flows were positive in both August and September before flipping negative in October. That marks a break from the funds' first-year pattern, in which steady demand supported cumulative net inflows.

The contrast with Bitcoin is also telling. Bitcoin ETF flows shifted back and forth between inflows and outflows over the same broader period, while Ether funds saw more persistent, one-directional withdrawals — a divergence that suggests asset allocators treated the two exposures differently rather than simply de-risking crypto broadly.

How much has left the funds overall?

Cumulative net inflows to Ether ETFs since their July 2024 launch stood at roughly $11.59 billion as of mid-November 2026, the flow data shows. That lifetime figure tracks money entering the funds over time; net assets also reflect withdrawals and changes in Ether's price, so the current size of the products is smaller than the headline inflow number implies.

Even after the seven-week drawdown, the category retains the bulk of its post-launch capital base. The $2.35 billion that exited represents roughly a sixth of lifetime net inflows — material, but not a structural collapse in the product suite.

Why does the concentration in ETHA matter?

The outflow story is largely a BlackRock story. With ETHA accounting for 85% to 90% of withdrawals in the worst weeks, the rest of the ten-fund complex saw comparatively balanced flows — and FETH actually took in money in October. Concentrated redemptions in a single vehicle can reflect a handful of large institutional holders rebalancing, rather than broad retail exit, which typically spreads more evenly across products.

For issuers, the operational consequence is straightforward: sustained redemptions force fund administrators to sell Ether into the market to meet creations and redemptions, and repeated large exits raise the cost of maintaining authorized-participant liquidity. For BlackRock specifically, a $1.42 billion monthly outflow from its flagship Ether product puts pressure on the fee base that justifies the fund's shelf space.

The question for the weeks ahead is whether November's continued outflows mark the tail end of a reallocation cycle or the start of a longer retrenchment — the November flow prints, due as monthly totals consolidate, will settle that.