Bitcoin ETFs lose $643m in a day as Binance hack ends four-day inflow run

Key points

• Bitcoin ETFs took in $441m from Monday to Thursday, then lost $643m on 30 October, leaving the week about $203m in the red.
• BlackRock's IBIT lost $234m, Fidelity's FBTC $201m and Ark & 21Shares' ARKB $130m, with trading value at $6.35bn.
• Ether ETFs lost $156m on a fifth straight outflow day and solana ETFs $10.7m, taking weekly exits to about $432m and $71.5m.

US spot Bitcoin ETFs lost $643m on 30 October as the Binance hack ended a four-day inflow run, Bitcoin.com News reports. The funds had gathered $441m from Monday to Thursday, so the single session left the week roughly $203m negative.

The selling was broad. BlackRock's IBIT shed $234m, Fidelity's FBTC $201m and Ark & 21Shares' ARKB $130m, while Grayscale's GBTC and Bitwise's BITB also lost money. Trading value rose to $6.35bn, about three times Thursday's level, and net assets fell below $100bn to $98.1bn.

Ether and solana retreat

Earlier inflows had been concentrated in IBIT, so redemptions across five major products at once pointed to wider risk reduction. The breach was reported after Thursday's US ETF session, making Friday the first full trading day for investors to react, though flow data show where money moved rather than why.

Ether ETFs lost $156m on a fifth consecutive outflow day, led by BlackRock's ETHA at $76.6m, taking the weekly exit to about $432m. Solana ETFs lost $10.7m, or about $71.5m for the week, and zcash funds ended an eight-session inflow streak with a $4.57m withdrawal. OneKey founder Yishi Wang warned that large vehicles such as IBIT could attract sophisticated attackers, a hypothetical risk the article says has not materialised.

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