Bitcoin ETFs record $643m outflow, largest since June

What happened

U.S. spot Bitcoin ETFs recorded $643.2 million in net outflows on October 30, according to Farside Investors data cited by Crypto.news and Bitcoinist. The withdrawal marked the largest single-day exit since June and reversed four consecutive sessions of positive inflows. Three funds dominated the selling: BlackRock's IBIT withdrew $233.7 million, Fidelity's FBTC lost $201 million, and ARK 21Shares' ARKB shed $129.5 million. Together these three accounted for roughly 87.7% of the day's total outflows. Grayscale's GBTC recorded $53.3 million in withdrawals while Bitwise's BITB lost $25.7 million. None of the other seven Bitcoin products in Farside's tracking table registered positive flows.

The selling erased what had been building momentum through the week. From October 26 to October 29, Bitcoin ETFs had collected $440.8 million in combined inflows, starting with $110.3 million on Monday, reaching $176 million on Tuesday, and recording $137.3 million on Wednesday before slowing to $17.2 million on Thursday. Friday's outflow of $643.2 million exceeded that four-day intake, producing a $202.4 million net weekly loss and turning October's final five trading sessions negative overall.

Despite the broad outflow, BlackRock's IBIT remained in positive territory for the week, ending with $176.9 million in net inflows after its Friday redemptions. Fidelity moved in the opposite direction, turning a $35 million intake earlier in the week into a $166 million weekly loss. ARK 21Shares' ARKB recorded no flows during the first four sessions, meaning Friday's withdrawal represented its entire weekly loss. The divergence underscored how unevenly demand has distributed itself across the growing market.

Why it matters

The October 30 outflow marks a significant reversal after months of relative stability in the Bitcoin ETF market. According to Crypto.news, the withdrawal was the largest since June 25, when funds recorded $691.7 million in outflows. The October 22 withdrawal of $635.6 million had previously been the month's second-largest reversal, suggesting growing volatility in investor positioning as the month progressed. These swings carry weight because they reflect shifting institutional sentiment and retail participation, both of which influence broader market dynamics. The scale of the outflow, nearly matching the prior four days' entire inflow, demonstrates how quickly positioning can reverse.

What the data shows

Ethereum ETFs also experienced significant selling pressure on October 30, recording $155.7 million in net withdrawals and bringing combined Bitcoin and Ether ETF outflows for the day to $798.9 million. According to Farside Investors data, BlackRock's ETHA led Ethereum selling with $76.6 million in redemptions, followed by $34.1 million from Grayscale's Ethereum Mini Trust and $21.5 million from Grayscale's ETHE product. The selling extended across all five trading sessions of October 26, 30, with Ether funds collectively recording $431.4 million in weekly withdrawals. For the full month of October, Ethereum ETF outflows reached approximately $1.61 billion, according to Crypto.news reporting, contrasting sharply with the prior five-session period which saw only $220.7 million in outflows and suggesting accelerating redemptions through the month's final stretch.

Background

U.S. spot Bitcoin ETFs launched in January 2024 and have accumulated $57.048 billion in cumulative net inflows since their debut, according to Farside Investors data cited by both outlets. Despite October ending with a net outflow of approximately $515.9 million for the month, this withdrawal represents a modest setback in the products' broader trajectory. BlackRock's IBIT has been the clear leader, accumulating $66.31 billion in inflows since launch, while Grayscale's GBTC has recorded $28.049 billion in net redemptions over the same period. The contrast between these two products illustrates how the market has shifted dramatically since Bitcoin's regulatory approval for direct ETF exposure, with newer, lower-cost products attracting capital away from legacy offerings.

Trading activity in Bitcoin ETFs has been comparatively subdued in recent months. According to Glassnode data cited by Crypto.news, daily turnover in these products averaged approximately $1.3 billion since May and fell to $700 million on October 23, marking among the quietest sessions of the year. On October 31, Bitcoin traded near $77,364, below Glassnode's estimated average purchase price of $81,500 for Bitcoin held by U.S. spot ETFs. This positioning may have influenced selling decisions as holders faced unrealized losses on their positions.

What to watch

Investors should monitor whether the October 30 selling represents a temporary month-end adjustment or the beginning of a sustained redemption pattern. The concentration of outflows in BlackRock's IBIT, despite its positive weekly and monthly balance, suggests different investor cohorts may be behaving differently. Future sessions will indicate whether withdrawals persist and whether BlackRock's continued inflows can offset redemptions elsewhere in the market. The relationship between trading volume levels, Bitcoin's price positioning relative to ETF cost basis, and redemption flows may also provide clues about institutional positioning heading into November.

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