U.S. spot crypto ETFs post $1.2B weekly outflow amid volatility

U.S. spot Bitcoin and Ethereum exchange traded funds experienced sharp swings in investor flows over mid-October, culminating in a weekly net exodus of roughly $1.2 billion and several volatile single-day moves that underscored fragile market sentiment. Data from ETF flow trackers show a single-day Bitcoin ETF outflow of about $536 million, the largest since August 1, 2025, followed by intermittent rebound days that briefly returned capital to the market.

Across the week, Bitcoin-focused ETFs recorded the bulk of redemptions, with one session seeing Ark 21Shares ARKB alone lose roughly $275 million and Fidelity’s FBTC withdraw about $132 million. BlackRock’s IBIT and Grayscale’s converted GBTC product also posted notable outflows on heavy days. Ethereum products were not immune: spot Ethereum ETFs registered outsized weekly redemptions near $312 million and experienced a midweek single-day reversal with roughly $57 million pulled out on the biggest withdrawal day.

The swings were punctuated by rebound sessions. On October 14, combined Bitcoin and Ethereum ETFs reported approximately $339 million in net inflows, led by Fidelity’s BTC and ETH funds, while later in the week Farside...