As far as it is concerned, there are always buyers and sellers who buy more, and his opponents may be bulls or bears; In fact, the transaction information we see from the software is a summary of transactions within a certain period of time (how many milliseconds, I forget). During this period, if there are more open orders than closed orders, or other types of operations are displayed, it is open, and so on. The results of personal observation and understanding need an authoritative and accurate answer from the technical department of the exchange.