According to SoSoValue, total net inflows into Bitcoin spot ETFs on March 28 were $179 million. Grayscale ETF GBTC has a outflow of $104 million, BlackRock ETF IBIT has a inflow of $95.12 million, Fidelity ETF FBTC has a inflow of $68.09 million, and the current cumulative historical net inflow of the ETF reaches $12.12 billion.