Ethereum spot ETFs attracted sustained institutional buying pressure over a ten-day period from August 17 through August 27, accumulating $1.42 billion in net inflows. The streak represents one of the more significant periods of consecutive inflows since Ethereum spot ETFs launched in July 2024.
Bitcoin's own inflow streak came to an end on August 28, when the asset recorded approximately $202 million in net outflows, breaking a nine-day run of positive flows.
BlackRock Drives Ethereum Inflows
BlackRock's ETHA product dominated the Ethereum inflow figures, accounting for $1.02 billion of the $1.42 billion total—roughly 72% of all inflows during the ten-day window.
August 27 marked the strongest single day of the streak, with Ethereum ETFs recording $225.8 million in net inflows, the highest figure since October 28, 2025. On the same day, Bitcoin ETFs pulled in $242.3 million. The momentum diverged the following day, when Bitcoin shifted to outflows while Ethereum's streak remained intact.
Cumulative Performance and Market Context
Since their July 2024 launch, Ethereum ETFs have accumulated more than $12 billion in cumulative net inflows. Bitcoin ETFs have drawn over $54 billion in cumulative net inflows since inception.
During the Ethereum inflow streak, ETH traded in the $2,400 to $2,500 range. Lower Treasury yields in the broader macro environment contributed to the risk-on sentiment that supported Ethereum inflows during the period.
Competitive Dynamics Among Providers
Multiple issuers—including BlackRock, Fidelity, Grayscale, and Bitwise—offer Ethereum products. While Bitcoin's $202 million outflow represents a limited impact relative to its $54 billion cumulative base, the timing of Ethereum extending its streak on the day Bitcoin's ended is notable for market participants monitoring relative momentum between the two assets.
