Spot Bitcoin exchange-traded funds in the U.S. saw another day of net outflows on Monday, following four weeks of negative flows. According to data from SoSoValue, the Bitcoin ETFs reported $91.4 million in net outflows on June 8. Since May 15, U.S. spot Bitcoin ETFs have shed nearly $5 billion, reporting net outflows on every single trading day except for June 4, when they added just $3.2 million.