Bitcoin spot ETFs experienced a net outflow of $1.039 billion from May 11 to May 15, marking the end of a six-week inflow streak, according to SoSoValue data. Ethereum spot ETFs also saw a net outflow of $255 million during the same period. In contrast, SOL spot ETFs recorded a net inflow of $58.118 million, while XRP spot ETFs attracted $60.495 million in net inflows.