According to PANews, data from SoSoValue indicates that on May 15, Bitcoin spot Exchange-Traded Funds (ETFs) saw a total net inflow of $303 million. Grayscale's ETF, GBTC, experienced a single-day net inflow of $27.04 million, while its historical net outflow stands at $17.657 billion.

The Bitcoin spot ETF with the highest single-day net inflow was Fidelity's ETF, FBTC, which recorded a net inflow of $131 million. Currently, FBTC's total historical net inflow has reached $8.32 billion. Following FBTC, Bitwise ETF, BITB, had a single-day net inflow of $86.25 million, and its total historical net inflow stands at $1.872 billion.

As of the time of reporting, the net asset value of Bitcoin spot ETFs is $54.995 billion. The ETF net asset ratio, which is the market value compared to the total market value of Bitcoin, is at 4.23%. The historical cumulative net inflow has reached $12.147 billion.