Bitcoin ETFs Shed $643M After Binance Hack, Worst Day Since June

US spot Bitcoin ETFs lost $643.3M in a day after the $6.3B Binance hack, erasing over 63% of 2026 net inflows. Binance outflows have since stabilized. The recent Binance hack resulted in the biggest daily Bitcoin ETF outflow since June 2026. On Friday (October 30), investors pulled more than $640 million out of US spot Bitcoin ETFs after Binance reported a security incident a day before. According to Farside Investors data, investors have withdrawn a massive $643.3 million from the US spot Bitcoin exchange-traded funds on Friday.