Data: After the spot Bitcoin ETF was approved, the trading volume of BTC-USD surged during the US stock market closing period

Kaiko data shows that after the spot Bitcoin ETF was approved, the BTC trading pattern on U.S. platforms underwent significant changes. The hourly BTC-USD trading volume soars around 8 to 9 PM Greenwich Mean Time, which corresponds to the daily closing period of the U.S. stock market (3 to 4 PM Eastern Time).