
On October 15, 2026, U.S. spot Bitcoin ETFs reversed a previous day’s large outflow, recording $5.06 million in net inflows. BlackRock’s IBIT led the inflows with $16.79 million, while Grayscale’s BTC and Invesco’s BTCO experienced outflows. Total trading volume reached $2.28 billion, with BlackRock’s IBIT accounting for the largest share at $1.8 billion. The total net assets of these ETFs stood at $105.71 billion, representing about 6.41% of Bitcoin’s market cap, signaling sustained investor interest in Bitcoin through ETFs.