According to data, last week's trading day (March 31 to April 4) Bitcoin spot ETF had a net outflow of $173 million last week last week. The Bitcoin spot ETF with the largest net inflows in a single week last week was Grayscale Bitcoin Mini Trust ETF BTC, with a weekly net inflow of US$34.28 million. Currently, the total net inflow of BTC in history has reached US$1.15 billion. The Bitcoin spot ETF with the largest net outflows in a single week last week was Grayscale Bitcoin ETF GBTC, with weekly net outflows of US$95.48 million. Currently, the total net outflows of GBTC in history reached US$22.62 billion. The second is WisdomTree ETF BTCW, with weekly net outflows of $44.53 million, and the current BTCW historical total net inflows of $49.42 million. As of press time, the total net asset value of Bitcoin spot ETFs was US$94.45 billion, the ETF net asset ratio (market value compared to the total market value of Bitcoin) reached 5.65%, and the historical cumulative net inflow has reached US$36.07 billion.