Is this long lower shadow on Friday a bullish structure or a bearish structure? From a supply and demand perspective, I think it is a bearish structure, and compared to the range on the left, the higher volume black line indicates that the supply here is stronger than before. However, from the perspective of the results of efforts, this is actually a bullish structure, because even if the supply strengthens by 2~3 times, the price still fails to achieve a confirmatory breakdown. The supply side tried but there was no result...