Bitcoin spot ETFs experienced significant outflows on April 29 and April 30, with Grayscale (GBTC) leading the trend. On April 29, GBTC saw a net outflow of $24.7 million, while on April 30, the outflow increased to $93.2 million. ARK Invest (ARKB) also had notable outflows of $31.3 million on April 29 and $3.6 million on April 30. In contrast, Invesco had outflows of $2.4 million on April 30. Overall, the total net outflows from Bitcoin spot ETFs on April 30 amounted to $161.6 million.