I have studied again because personally, I also look at where the daily liquidity is I don't agree with saying that there is no liquidity. At least this heat map can tell you intuitively where there is clearing and where there is selling pressure, but it's impossible to rely on this one indicator to make a single order. Usually, I will combine other indicators to look at it You call me stupid, and I admit it, but this kind of thing is just following the crowd. Some people think it's not good, while others think it's good. However, refining it within your own trading system will help you refine every trading detail