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, [ ]