According to Chainalysis analyst Yu Jin's monitoring, on March 19th, ten BTC spot ETFs had a net outflow of funds of $326.6 million. Correspondingly, after the opening of the US stock market tonight (3/20), the ETF custody address will have a net outflow of about 5,063 BTC: Outflow: Grayscale (GBTC) outflow of about 6,884 BTC (corresponding to a capital outflow of $443.5 million on March 19); inflow: the remaining nine ETFs inflow of about 1,821 BTC (corresponding to a capital inflow of $117.3 million on March 19). Currently, the total amount of BTC held by the ten BTC spot ETFs is 834,049 BTC ($53.73 billion).