According to BlockBeats news, on March 19, according to on-chain analyst Ember monitoring, the net outflow of ten BTC spot ETFs on March 18 was US$154.44 million, corresponding to a net outflow of ETF custody addresses after the US stock market opens tonight (March 19). About 2,306 BTC: · Outflow: Grayscale (GBTC) outflowed about 9,596 BTC (corresponding to an outflow of US$642.52 million on March 18); · Inflow: the remaining nine ETFs inflowed about 7,290 BTC (corresponding to an inflow of 480.8 million US dollars on March 18) Dollar). The main mover was BlackRock (IBIT), which saw inflows of 6,743 BTC ($451.48 million). The ten BTC spot ETFs currently hold a total of BTC: 836,814 BTC ($56.03 billion).