
US spot Bitcoin and Ether ETFs experienced a strong rebound with $2.6 billion in net inflows for the week ending August 21, 2026, marking their best weekly performance since October 2025. Bitcoin ETFs led the surge, attracting nearly $1.9 billion and pushing trading volumes over $22 billion, while Ether ETFs added $697 million. Despite this surge, both ETFs remain negative year-to-date, heading toward their first full year of net outflows since launching in 2024. This inflow spike highlights renewed investor interest amid volatile crypto markets.