2, some people rely on this information to get the main trend, analyze whether the main force will be long or short, and then follow up. In fact, ordinary investors only need to pay attention to the technical aspects, because the main short positions can be observed from the trading volume and positions of technical charts. As long as the relationship between reference price, quantity and position is combined with the support pressure zone to analyze the market trend, the analysis method is simpler and more effective. Don't look at the exchange membership ranking table.