Bitcoin and Ether ETFs Record October Outflows as Crypto Markets Slide
October’s fund flows show how quickly pressure in crypto markets reached US spot exchange-traded funds. Bitcoin ETFs finished the month with $515 million in net withdrawals, while Ether ETFs set a monthly outflow record at $1.61 billion. Those totals capture a change in investor demand, though they don’t explain why every holder chose to sell. ETF flows are a useful measure of activity in these products, but they’re only one part of a market shaped by price moves, security concerns and broader risk appetite.
Bitcoin funds ended October in the red after a sharp reversal late in the month. The withdrawal total was large enough to erase the inflows that had accumulated earlier, even as the funds’ year-to-date balance remained positive. That split matters: a difficult month can signal near-term caution without showing that longer-term demand has disappeared.
Bitcoin funds reverse course
Friday drove the Bitcoin funds into negative territory. Investors withdrew $643 million, ending a four-day run of inflows, SoSoValue data shows. It was the funds’ first month of net outflows since June. Through October, their year-to-date balance remained positive at about $361 million.
The contrast between the monthly and year-to-date totals puts the latest figures in perspective. One day’s redemptions don’t establish a lasting trend, but a month of net withdrawals shows that buying during earlier sessions wasn’t enough to offset the late selling. For fund managers and market watchers, the key question is whether that pressure continues into subsequent periods.
BlackRock’s iShares Bitcoin Trust (IBIT) accounted for $234 million of Friday’s withdrawals, while Fidelity’s Wise Origin Bitcoin Fund (FBTC) lost $201 million, Farside Investors data shows. The losses were concentrated in two of the named funds, but the figures alone don’t tell us whether investors were switching products, reducing crypto exposure or responding to a specific concern.
Market shocks put flows under pressure
The withdrawals came after Bitcoin fell to $77,000 on Thursday. Binance, the world’s largest crypto exchange by trading volume, confirmed Friday that hackers had stolen about $6.3 billion in crypto assets. The timing placed a major security event alongside a steep price decline, conditions that can make investors reassess exposure quickly.
That sequence offers context, not proof of a direct cause. Fund-flow data records money entering or leaving ETF products; it doesn’t identify the motivation behind each transaction. Still, when prices fall and a major exchange reports a theft, concern about both market risk and custody can become part of the same conversation.
Yishi, founder and CEO of hardware wallet maker OneKey, warned on X that IBIT could face similar security threats, citing its reliance on Coinbase to custody its Bitcoin. That is a warning about potential exposure, not evidence that IBIT’s holdings were compromised. The distinction matters: custody arrangements are central to how spot funds operate, but a concern raised publicly doesn’t establish that a specific fund has suffered a breach.
Ether funds set a monthly record
US spot Ether (ETH) ETFs lost a net $156 million on Friday, taking October’s outflows to $1.61 billion. That surpassed the previous monthly record of $1.42 billion, set in November 2025. The new high makes October a notably weak month for these products, though one record month doesn’t by itself reveal whether demand has shifted for good.
The month’s withdrawals also erased the Ether funds’ net inflows for 2026, leaving them about $45 million in net outflows for the year. That reversal points to weaker cumulative demand than the earlier positive balance suggested. Bitcoin funds retained a positive year-to-date total, while Ether funds moved slightly below zero—a divergence that cautions against treating the two groups as a single trade.
The numbers here are underwhelming for anyone expecting fund demand to hold up through volatility. They also show why monthly totals deserve close attention: the Ether result wiped out prior gains, while Bitcoin’s year-to-date balance stayed positive despite October’s losses.
What the flow data can—and can’t—tell us
ETF flows are a visible signal of investor activity, but they aren’t a complete account of crypto-market sentiment. They don’t show the reasoning behind purchases and redemptions, and they don’t include every way investors can hold or trade Bitcoin and Ether. If you’re working in this space, the practical read is narrower: October brought substantial selling pressure in US spot funds, with Ether products recording the sharper reversal.
Here’s the thing: the figures establish a change in demand, while the explanation remains open. Price declines and security news may have shaped the mood, but the available totals can’t assign a share of the withdrawals to either factor. And this is the part most people overlook: a record outflow is a measure of what happened during a period, not a forecast of what happens next.
That said, the split between Bitcoin and Ether flows gives analysts a reason to watch whether the products diverge further. The Bitcoin funds’ positive year-to-date balance suggests earlier inflows still outweighed October’s losses; Ether’s year-to-date figure shows that its monthly reversal was enough to erase the prior net gain. A continuation of either pattern would matter more than the single-month snapshot. For now, the clearest conclusion is that volatility coincided with a substantial retreat from both sets of funds.
Related: Bitcoin risks worst October in 12 years as tech sell-off spreads to gold
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