Bitcoin ETFs experienced a net outflow of 3,862 BTC, equivalent to $345.58 million, on January 21. Ethereum ETFs also saw a substantial net outflow of 61,706 ETH, amounting to $183.88 million. In contrast, Solana ETFs recorded a net inflow of 6,907 SOL, valued at $891,000, indicating a positive trend for Solana amidst the broader outflows in the crypto ETF market.