What do you mean by 1 min, 5 min, 10 min, 15 min and 30 min in stock index futures?
Stock index futures 1 min, 5 min, 10 min, 15 min, 30 min refers to different levels of K-line charts, 1 min refers to the K-line charts that go out in one minute, and 5 min refers to the K-line charts that go out in five minutes, but the period of K-line has changed.