U.S. Bitcoin spot ETFs experienced a significant net outflow of $398 million on January 8, according to Farside Investors. The largest outflow was recorded by BlackRock's IBIT, which saw a reduction of $193.3 million. Fidelity's FBTC followed with a $120.5 million outflow, while Grayscale's GBTC lost $73.1 million. In contrast, Bitwise's BITB and WisdomTree's BTCW recorded minor inflows of $3 million and $1.9 million, respectively.