On October 18, according to Farside Investors monitoring, the net outflow of spot Bitcoin ETFs in the US yesterday was $366.600 million, of which: BlackRock IBIT: -$268.600 million, Fidelity FBTC: -$67.400 million, Valkyrie BRRR: -$5.600 million, Grayscale GBTC: -$25.000 million. [律动]