Overview
- U.S. spot Bitcoin ETFs logged roughly $450 million in net outflows over three trading days from September 8–10, with about $282.6 million redemptions on September 10 that were concentrated in a few large funds.
- ARK 21Shares’ ARKB accounted for the single biggest withdrawal in that run, sending roughly $164.3 million out on September 10 according to multiple fund-flow reports.
- Spot Ethereum and XRP ETFs continued to attract fresh capital during the same window, with Ether funds showing daily inflows such as $34.75 million on September 9 and some trackers reporting a $216 million Ether inflow on September 11.
- Since their January 2024 launches, Bitcoin ETFs have taken in roughly $55 billion cumulatively but have been net sellers in 2026 so far, with about $1.07 billion in year‑to‑date outflows and total Bitcoin ETF assets near $97–99 billion.
- The episode highlights two risks for markets: concentrated, fund‑level moves can create short‑term price pressure on Bitcoin (which traded in the mid‑$70,000s during the selloff), and differing tracker methods mean single‑day flow figures should be treated with caution as a signal of longer‑term demand.