One point you said should be one yuan, but the minimum fluctuation unit of the contract is 0.05 yuan, which is five points, which is called jumping. The minimum fluctuation is that if the current price is 130, then the next fluctuating price can be 130.05 or 129.95. Just say a point, it is 1 yuan, that is, 130 rises to 13 1, earning one yuan per board and 500 yuan per hand, which is 500 yuan.