Investors pulled $643.33 million from US spot Bitcoin ETFs on October 30, according to SoSoValue data. The exit came one day after hackers drained about $6.3 billion from Binance, the world’s largest crypto exchange.

These funds let brokerage customers own Bitcoin (BTC) the way they own a stock. They hold $98.14 billion in assets, and Friday’s withdrawal snapped a four-day run of inflows.

Which Bitcoin ETFs Lost the Most Money?

BlackRock’s iShares Bitcoin Trust (IBIT), the largest of the funds, lost about $234 million. Funds run by Fidelity and Ark Invest posted the next-largest exits.

When investors cash out, large trading firms return fund shares in exchange for Bitcoin or cash. Either…