US Spot Bitcoin ETFs Secure $6.34 Billion in Q3 Inflows as Price Jumps 43%

United States spot Bitcoin exchange-traded funds recorded approximately $6.34 billion in net inflows during the third quarter of 2026, marking their best quarterly performance of the year. The surge represented a sharp reversal from roughly $5 billion in net outflows in the second quarter. The influx coincided with a 42.71% quarterly price increase for Bitcoin, which climbed from around $58,500 to roughly $83,600 to log its strongest Q3 return since 2017. Monthly inflows reached $172 million in July, $3.52 billion in August, and $2.65 billion in September, despite a $149 million outflow on the final trading day.