Strategy selection for contract trading:
Steady strategy: There is a point structure, follow the trend to make orders, it is very likely that you will not get the head and tail of the fish, but only the body of the fish;
Aggressive strategy: Predict the short-term trend direction based on the strength of the long and short volume, choose the strong gravity position or 0 and 1 axes in the natural trading theory to open a position and make orders, you may get the market from the head to the tail of the fish, or you may be forced to stop loss.