Wu said that according to SoSoValue data, yesterday (May 16), the total net inflow of US Bitcoin spot ETFs was US$257 million. Grayscale ETF GBTC had a net inflow of US$5 million in a single day. The Bitcoin spot ETF with the largest net inflow in a single day was BlackRock ETF IBIT, with a net inflow of US$94 million in a single day; followed by Fidelity ETF FBTC, with a net inflow of US$67 million in a single day.