U.S. ETF Flows Set Annual Record at $1.5 Trillion Through September

U.S. exchange-traded fund flows reached an annual record of $1.5 trillion by the end of September 2026, with total flows potentially approaching $2.1 trillion by year-end.

December is projected to be the largest monthly flow based on its historical performance. The projection puts the final month of the year at the center of the remaining 2026 flow total.

Exchange-traded funds are investment funds traded on stock exchanges that can hold stocks, commodities or cryptocurrencies while tracking a specific index. The structure is used by retail and institutional investors seeking diversified cryptocurrency exposure.

The $1.5 trillion record covers flows through the end of September, while the $2.1 trillion figure is a year-end projection.