Bitcoin spot ETFs recorded a total net inflow of $5.06 million on October 15. BlackRock’s IBIT led daily inflows with $16.79 million, bringing its cumulative net inflows to $65.64 billion. Grayscale Bitcoin Mini Trust experienced the largest single-day outflow at $7.64 million, with historical net inflows totaling $2.96 billion. Total net assets for Bitcoin spot ETFs now stand at $105.71 billion, representing 6.41% of Bitcoin's total market capitalization. Cumulative net inflows across all Bitcoin spot ETF products have reached $56.96 billion since inception.