According to data compiled by Bloomberg analyst James Seyffart, the total trading volume of the US spot Bitcoin ETF on its 12th trading day was $1.5643 billion. GBTC still ranked first with a trading volume of $570 million, followed closely by BlackRock's IBIT and Fidelity's FBTC, which were $460 million and $310 million respectively. The data also showed that the total trading volume for the 12 trading days was $25.9384 billion.