US spot Bitcoin exchange-traded funds recorded $462.7 million in net outflows over four trading sessions last week, ending a three-week inflow streak, while spot Ether ETFs attracted $196.9 million during the same Tuesday-to-Friday period. The split marks a sharp divergence between the two largest cryptocurrency ETF categories after both had been closely watched as gauges of institutional demand.
Data tracked by Farside and SoSoValue showed Bitcoin ETFs posted net redemptions in each trading session of the holiday-shortened week. The withdrawals followed the strongest three-week run of net inflows for the products in 2026, but the momentum reversed quickly as sellers withdrew $166.8 million across the first two sessions.
Bitcoin ETF outflows reached their peak on Thursday, when the group lost $282.7 million. According to Farside and SoSoValue, that was the largest one-day net withdrawal from US spot Bitcoin ETFs since July. Friday’s $13.2 million outflow was far smaller, though it extended the streak of daily net redemptions to four sessions.
Ark 21shares fund records the largest weekly withdrawal
Ark 21Shares’ spot Bitcoin ETF led the week’s outflows, shedding $234.2 million, according to Farside and SoSoValue. Grayscale Bitcoin Trust followed with $129.1 million in net redemptions.
BlackRock’s iShares Bitcoin ETF reported $52.5 million in weekly net outflows, while Fidelity Wise Origin Bitcoin Fund lost $50.7 million over the four trading days. The distribution of withdrawals across several major issuers suggests the reversal was not confined to one fund or a single provider-specific event.
The $462.7 million weekly figure stands out because all four trading sessions finished in negative territory for the Bitcoin ETF group. That pattern differs from a week in which a large withdrawal from one fund is offset by subscriptions elsewhere. In this case, the daily totals pointed to sustained net selling across the category, culminating in Thursday’s much larger redemption figure.
Even after the four-session losing run, Bitcoin ETFs remained positive for September through Friday. Farside and SoSoValue data put month-to-date net inflows at approximately $307.3 million, leaving the products with a positive monthly balance despite the abrupt late-week decline.
Ether ETFs recover with a $216.4 million friday
Spot Ether ETFs moved in the opposite direction, recording $196.9 million in net inflows over the same four-session period, according to Farside. The positive weekly total was driven almost entirely by a $216.4 million influx on Friday.
The Ether products began the period with $24.3 million in net outflows on Tuesday, before receiving $34.7 million on Wednesday. Thursday brought another $29.9 million in net outflows. Those three sessions left the group modestly negative before Friday’s surge pushed the weekly total firmly into positive territory.
BlackRock’s iShares Ethereum fund led Friday’s intake with $148.8 million, Farside data showed. 21Shares’ Core Ethereum product added $29.1 million that day, making it the second-largest reported contributor to the late-week recovery.
Friday’s flow data means the Ether group overcame roughly $19.5 million in net outflows from the preceding three sessions and finished the week nearly $197 million higher. The turnaround also came as Bitcoin ETF redemptions eased sharply from Thursday’s $282.7 million withdrawal to $13.2 million on Friday.
Etf flows point to different demand patterns
The contrast between the two ETF categories does not establish a simple shift away from Bitcoin into Ether. ETF flows reflect creations and redemptions in specific regulated products, and can be affected by portfolio rebalancing, hedging activity, fund allocations and short-term positioning. Yet the simultaneous Bitcoin withdrawals and Ether deposits show that demand was clearly uneven across the two markets last week.
Bitcoin’s four straight days of ETF outflows ended a strong prior period, while Ether’s weekly gain depended on a concentrated burst of Friday demand. That makes the Ether result constructive on a weekly basis but also more dependent on whether the final session’s buying continues in subsequent trading.
The timing has added to attention on the flows. Markets are heading toward a scheduled Federal Reserve policy decision on Wednesday, with traders monitoring how interest-rate expectations affect risk assets, the dollar and liquidity conditions. Cryptocurrency ETF flows have often become more volatile around major macroeconomic events because large asset managers can adjust exposure quickly through listed funds.
Neither the Bitcoin nor Ether ETF figures alone determine the direction of the underlying assets. They do provide a transparent record of capital entering and leaving the products, making the latest data a useful measure of where demand concentrated during a shortened trading week.
Bitcoin funds will need renewed net creations to restore the momentum seen during the prior three-week inflow run. Ether ETFs, meanwhile, will face an immediate test of whether Friday’s $216.4 million intake represented durable demand or a one-day allocation move before the Federal Reserve meeting.
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