Bitcoin, Ether ETFs See Strongest Inflow Week Since October

U.S. spot Bitcoin and Ethereum exchange-traded funds recorded their strongest week of inflows since October 2025, attracting a combined $2.6 billion in net capital during the five trading days ending August 21. The surge reversed a $392 million outflow from the previous week, marking a week-over-week swing of approximately $3 billion and signaling a renewed appetite for regulated cryptocurrency exposure.

Bitcoin ETFs dominated the weekly performance, capturing $1.92 billion of the total inflow. This represented the largest weekly intake for Bitcoin funds since the week ending October 10, 2025. Trading volume in Bitcoin ETFs more than tripled, climbing to $22.1 billion from $6.9 billion the prior week. The influx, combined with a rally in Bitcoin's price, pushed the funds' total net assets under management up 25.4% to $96.1 billion. BlackRock's iShares Bitcoin Trust led the inflows, absorbing $503 million on August 20 alone, its largest single-day haul since May 4.

Ethereum ETFs also had their best week of 2026, drawing $697 million in net inflows. This reversed a minor $2.3 million outflow from the previous week and marked the strongest performance for Ether funds since early...