Bitcoin and Ethereum ETFs just had their biggest week of 2026 as crypto exploded higher

US spot Bitcoin and Ethereum ETFs recorded their strongest inflow week of 2026 as a sharp crypto rally pulled investors back into funds that had struggled to attract sustained demand for much of the year.

Bitcoin ETFs drew $1.918 billion in the five trading sessions through Aug. 21, while funds holding Ethereum attracted $697.2 million, according to SoSoValue data. The combined $2.6 billion intake was the strongest for the two groups in about 10 months.

Bitcoin funds recorded inflows every day during the week, pushing cumulative net subscriptions since their January 2024 debut to $53.7 billion. Notably, the weekly total was also their largest since the market selloff in October 2025.

Meanwhile, Ethereum funds also had their best showing since October, when they attracted nearly $1.3 billion during the week ended Oct. 3.

Notably, the renewed demand coincided with one of crypto's strongest rallies in years. Bitcoin climbed from roughly $62,300 to briefly trade near $80,000 Friday, while Ethereum surged to a seven-month high above $2,500.

As of press time, digital asset prices had slightly retraced, with Bitcoin trading near $76,550 and Ethereum around $2,400, according to CryptoSlate data.