On May 6, BlackRock IBIT's trading volume was $932 million, and Grayscale GBTC was $366 million
On May 6, the trading volume of Bitcoin spot ETFs was as follows:
BlackRock IBIT: $932 million
Grayscale GBTC: $366 million
Fidelity FBTC: $297 million
ProShares BITO: $194 million
ARKB: $66.08 million
BITB: $52.4 million