Golden Finance reported that according to Farside Investors data, the net outflow of US spot Bitcoin ETFs this week was about US$37.3 million, of which Grayscale GBTC had a net outflow of US$155 million, Fidelity FBTC had a net outflow of US$13.9 million, and BlackRock IBIT had a net inflow of US$82.4 million.