Odaily reported, citing SoSoValue data, that U.S. spot Bitcoin ETFs recorded total net outflows of $64.0862 million on June 15 Eastern Time. The day’s flows were split across major products, with BlackRock’s IBIT attracting the largest net inflow and Grayscale’s GBTC posting the largest net outflow among the listed spot Bitcoin ETFs.
IBIT led single-day inflows
The spot Bitcoin ETF with the largest single-day net inflow was BlackRock ETF IBIT, which recorded $66.4488 million in net inflows for the day. According to the same SoSoValue dataset, IBIT’s historical cumulative net inflows have reached $62.181 billion.
Grayscale Bitcoin Mini Trust ETF BTC ranked second by single-day net inflows, with $10.5999 million entering the product on June 15 Eastern Time. Its historical cumulative net inflows now stand at $2.309 billion. The data places this Grayscale product in contrast with GBTC’s same-day outflow figure.
GBTC recorded the largest outflow
The spot Bitcoin ETF with the largest single-day net outflow was Grayscale ETF GBTC, which saw $124 million leave the product. SoSoValue data shows that GBTC’s historical cumulative net outflows have reached $26.975 billion, the highest outflow figure among the products mentioned in the report.
As of the time of publication, the total net asset value of spot Bitcoin ETFs stood at $83.329 billion. The ETF net asset ratio, defined in the report as ETF market value as a share of Bitcoin’s total market capitalization, reached 6.25%. Historical cumulative net inflows across spot Bitcoin ETFs were reported at $53.560 billion.

