According to SoSoValue data, Ethereum spot ETFs saw a net outflow of $55.7024 million on March 18 (Eastern Time).
Among individual products, BlackRock's Staked ETH ETF (ETHB) was the standout, recording a net inflow of $1.1265 million—the only fund to attract net inflows for the day. Its cumulative net inflows have now reached $146 million.
Fidelity's ETF (FETH) experienced the largest net outflow at $37.1086 million, though its cumulative net inflows remain substantial at $2.339 billion.
Overall, the total net asset value (NAV) of Ethereum spot ETFs currently stands at $12.866 billion. The ETF NAV ratio—representing its share of Bitcoin's total market cap—is 4.87%, while historical cumulative net inflows total $11.908 billion.