US spot Bitcoin ETFs post $643.2 million single-day outflow after Binance hack

What sources claim

• Decrypt reported that U.S. spot Bitcoin ETFs lost $643.2 million on Friday, their biggest single-day outflow of October, after attackers began draining roughly $6.4 billion from Binance at 4:05 p.m. ET Thursday.
• According to Decrypt, the selling erased a four-day, $441 million inflow run, leaving the Bitcoin funds down about $202 million for the week and roughly $516 million for October, with cumulative net inflows since launch at $57.4 billion.
• Decrypt reported that Ether ETFs lost $155.7 million on Friday and Solana ETFs shed $10.8 million, while Bitcoin fell about 4% to roughly $76,400 on Friday and more than $1.3 billion in leveraged positions were liquidated.

Still unresolved

• What the final scope of the Binance loss will be, and whether Binance's pledge to cover all losses with company funds and an emergency reserve is confirmed through an official statement or reserve disclosure.
• Whether the $643.2 million Bitcoin ETF outflow figure is confirmed in the issuers' own daily flow reports.

Evidence levels describe source coverage, not the probability that a report is true. Price moves and their timing cannot establish a cause; minute samples show an observed interval and alert thresholds are heuristics. Explanations are model-assisted, with citations and figures checked. Source titles stay in their original language; full articles are not republished.

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