U.S. Bitcoin spot ETFs recorded a substantial net outflow of $509 million on January 30, according to Farside Investors. The outflows were led by BlackRock's IBIT, which saw a decrease of $528.3 million. In contrast, Fidelity's FBTC and ARK's ARKB experienced inflows of $7.3 million and $8.3 million, respectively, while VanEck's HOOD added $3 million. Similarly, U.S. Ethereum spot ETFs faced a net outflow of $252.9 million. BlackRock's ETHA was the largest contributor to the outflow, losing $157.2 million, while Fidelity's FETH saw an inflow of $95.7 million. These movements reflect significant investor activity in the cryptocurrency ETF market.