You should be talking about the microtransactions map in K, right? K-line can have the volume of each price, and can also have detailed transaction data of active multiple orders and active empty orders. There will be volume distribution inside the entire K-line, and another display method is transaction data. Generally, the left side is the transaction data of active empty orders, and the right side is the transaction data of active multiple orders. Can be compared according to the transaction data of each price. Judging the strength, of course, depends on where the final price is collected, which is related to the relationship between quantity and price. If you want to understand the content, you need to learn more about quantity and price analysis.