1, empty single trigger. The highest or lowest point of futures is the price at the end of the minute when the volume of time-sharing chart is the largest. When an empty order is triggered, the highest and lowest futures are invisible.

2. Special price. Futures handicap is the transaction statistics and transaction details for a period of time, not the real transaction details. When the transaction price is higher than the highest price of K-line chart or lower than the special price of K-line chart, it will affect the display of the lowest and highest prices of futures.