Odaily News According to SoSoValue data, the U.S. Bitcoin spot ETF had a net inflow of US$541 million on February 9, setting a record for the highest single-day inflow except the first trading day. It has recorded net inflow data for eleven consecutive trading days. In addition, the single-day net outflow of Grayscale ETF GBTC was only US$51.81 million, setting a record low for its single-day net outflow.