The questioner mainly examines the difference between the settlement price and the transaction price, but at first glance, the questioner has not stayed in the futures market.

When can 320 yuan have this price per ton of cotton?

Besides, 50 lots were sold on March 5, and it is not clear whether 330 will be closed or opened on March 8. If you open a position, will you sell it or buy it?

Suppose it is a 50-lot liquidation order. Then in the end, this Mr. Ma lost money.