Bitcoin ETF Outflows Hit $643.2 Million After Binance Hack

U.S. spot Bitcoin ETFs recorded their largest single-day outflow of October on Friday, shedding $643.2 million in the first full trading session after attackers began draining roughly $6.4 billion from Binance at 4:05 p.m. ET Thursday, according to Decrypt's ETF tracker. The withdrawal marked the first real-time test of how regulated, institutionally-dominated Bitcoin fund flows would react to the largest crypto exchange hack in history, and the answer, at least for one session, was decisively negative.

Event: ETF Investors Retreat Across Bitcoin, Ethereum and Solana

According to Decrypt, Thursday's session had actually opened with $17.2 million in inflows, but that figure predated the theft, which began after U.S. markets had already closed. Friday's $643.2 million exodus erased a four-day, $441 million inflow streak that had been building through the week, leaving the funds down about $202 million for the week and roughly $516 million for October overall, Decrypt reported. Cumulative net inflows since the funds launched in January 2024 slipped to $57.4 billion, with total net assets at $103.2 billion, per the outlet's tracker. The damage was not confined to Bitcoin products. Ethereum ETFs lost $155.7 million on Friday, extending a five-day outflow streak to about $431 million and pushing October losses to roughly $1.61 billion, Decrypt said, even though Ethereum funds have taken in $12.2 billion in net inflows since their July 2024 launch. Solana ETFs shed $10.8 million on Friday, their fifth consecutive day of outflows, bringing the week's total to about $72 million; Decrypt noted Solana funds logged net inflows on just two days in all of October. Relative to assets under management, Decrypt reported that Ethereum and Solana funds fared worse than Bitcoin's in proportional terms. Spot crypto ETFs hold the underlying asset and trade on exchanges like ordinary shares, giving investors exposure through a standard brokerage account without needing to manage wallets or private keys, Decrypt explained. Because issuers report flows daily and much of the money comes from institutions and financial advisers, these figures have become a closely watched gauge of investor sentiment — which is precisely why Friday's reversal registered as a meaningful signal rather than routine noise.

Market Reaction: Price Fell, Then Steadied

Bitcoin fell about 4% to roughly $76,400 on Friday as the hack news spread, and Decrypt reported more than $1.3 billion in leveraged positions were liquidated across the market. The outlet characterized the drop as sharp but far smaller than the nearly 11% plunge that followed a failed attack on Binance in 2018, suggesting markets absorbed the shock with more composure than in prior incidents. By Saturday, Decrypt reported Bitcoin had steadied at about $77,520, up 0.5% over 24 hours but still down 3.3% on the week. Ethereum traded near $2,251, down 3.9% for the week, while Solana sat near $96, down 4.5%; total crypto market cap held around $2.7 trillion, according to Decrypt. Binance pledged to cover all losses using company funds and an emergency reserve, and Decrypt noted that Tether and Circle froze more than $2.3 billion in stolen stablecoins — a response that likely limited how far the attackers could ultimately monetize the theft. Some Wall Street firms reportedly urged clients to treat the dip in crypto-linked stocks as a buying opportunity rather than a reason to retreat further. CoinHours analysis: CoinHours' own cached Binance ticker data, timestamped 2026-11-01T17:05:35 UTC, shows Bitcoin at $78,147.24 with a 7-day change of -3.27% and a 30-day change of -8.42%, alongside Ethereum at $2,269.17 (-3.60% over 7 days, -15.73% over 30 days) and Solana at $94.75 (-7.03% over 7 days, -21.17% over 30 days). These figures are broadly consistent with the Saturday price levels Decrypt described, though CoinHours' snapshot reflects a slightly later moment and should not be read as confirming any single cause for the move — multiple macro and event-driven forces were in play simultaneously.

Implications: Sentiment Strained Amid a Broader Fear Backdrop

CoinHours' saved Alternative.me Fear & Greed Index reading, timestamped 2026-11-01T17:06:01 UTC, registered a value of 34, classified as "Fear." That reading sits alongside — but is not necessarily caused solely by — the ETF outflow data Decrypt reported; Fear & Greed gauges aggregate sentiment across volatility, momentum, social activity and other inputs, so it should be read as context for the mood investors were in rather than direct proof that the Binance hack alone drove the reading. CoinHours' saved CoinMarketCap global snapshot, timestamped 2026-11-01T17:05:33 UTC, showed total crypto market capitalization at $2.616 trillion with Bitcoin dominance at 59.96% — figures that sit in the same neighborhood as the roughly $2.7 trillion total market cap Decrypt cited for Saturday, with the modest difference likely reflecting different timestamps and data providers rather than a discrepancy in the underlying event. Decrypt also reported that macro headwinds compounded the ETF reaction: the Federal Reserve held rates at 3.75% to 4% on Wednesday, but two officials voted for a hike, and traders had priced odds above 70% for a December increase. Separately within the same report, Decrypt noted that traders on the Myriad prediction market — developed by Decrypt's parent company Dastan — had turned bearish on Ethereum and Solana, giving Ethereum a 51.3% chance of falling to $1,500 before reaching $3,000 (a flip from 61.3% favoring the upside a week earlier), and raising Solana's odds of sinking to $40 before hitting $160 to 53.7%.

What to Watch

The key question going forward is whether Friday's $643.2 million outflow proves to be an isolated, hack-driven reaction or the start of a longer institutional pullback layered on top of existing macro caution around Fed policy. Decrypt's tracker showing cumulative net inflows still at $57.4 billion since January 2024 suggests the long-term institutional base remains largely intact despite the single-day shock. CoinHours' cached short-term Bitcoin chart data, spanning observations from 80,796 down to 78,147.24 over 169 data points through 2026-11-01T17:05:36 UTC, shows the broader downward drift was already underway before Friday's specific outflow figure, reinforcing that ETF flows are one signal among several rather than a standalone driver. Investors will likely watch whether subsequent sessions show inflows resuming, as they did for four days before the hack, or whether outflows persist alongside the Fear & Greed index remaining in "Fear" territory.

Further reading

For background on how these products function, see CoinHours' guide on Bitcoin ETF vs Buying Bitcoin Directly and the primer on how crypto exchanges work.

Further reading / context

CoinHours market data as of 2026-11-01T17:05:58.549+00:00 (UTC), sourced through CoinMarketCap; rolling windows.

Asset	Price USD	24h change	24h volume USD
Bitcoin	78031.41772127736	0.71426173%	11938208545.581