Wu Shuo learned that, according to SoSoValue data, yesterday (Eastern Time December 20) the total net outflow of Bitcoin spot ETFs was 277 million USD. Grayscale ETF GBTC had a single-day net outflow of 57.36 million USD, while Grayscale Bitcoin Mini Trust ETF BTC had a single-day net inflow of 6.4074 million USD. Next was Franklin ETF EZBC, with a single-day net inflow of 5.6136 million USD. The total net asset value of Bitcoin spot ETFs was 109.725 billion USD, and the ETF net asset ratio reached 5.75%.