From the detailed data, every weekday at 21:00 marks the beginning of a significant increase in BTC trading volume, indicating that investors in the American time zone are still the main providers of liquidity and purchasing power.

At this time, the depth of Bitcoin is better, while at other times the volatility may be larger;

The principle of the trading range is to buy high and sell low. Currently, it is quite simple: just find the low points of the waves, and the bullish structure has not changed for now.