According to Wu's report and SoSoValue data, during the last trading week (Eastern Time from December 16 to December 20), the Bitcoin spot ETF had a net inflow of 449 million USD. The Bitcoin spot ETF with the highest net inflow last week was BlackRock's ETF IBIT, with a weekly net inflow of 1.45 billion USD, bringing the total historical net inflow of IBIT to 37.33 billion USD.