According to Foresight News, data from SoSoValue indicates that the Bitcoin spot ETF experienced a total net outflow of $4.3876 million on April 18. Grayscale's GBTC saw a single-day net outflow of $89.9918 million, bringing its historical net outflow to $16.685 billion.

On the other hand, the Bitcoin spot ETF with the highest single-day net inflow was Fidelity's FBTC, with a net inflow of $37.3959 million. To date, FBTC's total historical net inflow has reached $8.087 billion.

As of the time of writing, the net asset value of Bitcoin spot ETFs stands at $53.063 billion. The ETF net asset ratio, which is the market value compared to the total market value of Bitcoin, is at 4.25%. The historical cumulative net inflow has reached $12.262 billion.