Wu said that according to SoSoValue data, yesterday (Eastern Time December 19) the total net outflow of Bitcoin spot ETFs was 680 million USD. The Bitcoin spot ETF with the highest single-day net inflow yesterday was WisdomTree ETF BTCW, with a single-day net inflow of 2.0474 million USD, and the total historical net inflow of BTCW has reached 229 million USD.