Ether ETFs post biggest inflow since October
Ether ETFs took in $220.8M in a single day, their largest since October, as Bitcoin funds hit a 2026 monthly high of $2.07B.
US spot Bitcoin ETFs pulled in $608.3 million on Thursday, their fourth straight day of inflows. Spot Ether ETFs took in $220.8 million the same day, the largest single-day haul for those funds since October 28.
The numbers behind the run
Bitcoin ETF inflows for the week topped $1.6 billion, built from $297.6 million Monday, $189.3 million Tuesday, $517.2 million Wednesday and $608.3 million Thursday, according to SoSoValue data cited by Cointelegraph. That lifted August's net inflows to $2.07 billion through Thursday, with seven trading sessions left in the month, already past April's $1.97 billion, which had been 2026's prior high. Cumulative net inflows across all US spot Bitcoin ETFs now stand at $53.4 billion.
Ether ETFs drew about $512.2 million across four sessions this week, pushing August net inflows to roughly $754.9 million and total net assets to $13.58 billion. Thursday's $220.8 million was the biggest single-day intake in 203 trading sessions spanning 296 calendar days, a stretch that includes most of this year. The last time Ether ETFs took in more in one day was $246 million on October 28, 2025.
Prices moved with the flows. Bitcoin traded at $75,133 on Friday, up 7.9% in 24 hours, while Ether gained 4.6% to about $2,357.
What the flow split says
The gap between the two funds tells the real story. Bitcoin's $2.07 billion August total came from four straight positive days after a slower stretch, a steady grind that set a fresh 2026 monthly record. Ether's $754.9 million for the month is smaller in dollar terms but arrived as a sudden spike: one day accounted for nearly 30% of the entire month's inflow. That pattern points to a catch-up trade rather than a broad rotation. Allocators who had been underweight Ether relative to Bitcoin appear to be closing the gap in a burst, not building a new sustained position.
Bitcoin's flows look more like confirmation of an existing trend. Four consecutive up days with rising size, from $297.6 million to $608.3 million, suggests demand building rather than a one-off. Ether's single day of $220.8 million breaking a ten-month record is the kind of data point that gets attention precisely because it's rare. Rare events reverse faster than trends do.
What would confirm the shift
The next week of Ether ETF data will separate a genuine rotation from a single large order. If Ether inflows hold above $100 million a day through the rest of August, that's a real change in allocator behavior tied to the price move past $2,300. If Thursday's number turns out to be an outlier and daily flows drop back toward the low tens of millions, the October comparison was a headline, not a trend.