[Data: This week, the U.S. Bitcoin spot ETF had a cumulative net outflow of US$580.6 million] Golden Finance reported that according to Farside Investors data, this week, the U.S. Bitcoin spot ETF had a cumulative net outflow of US$580.6 million, of which GBTC had a net outflow of US$274 million and BlackRock IBIT had a net inflow of US$41.6 million.