If the natural person account cannot enter the delivery month, only the legal person account can enter the delivery month. If a natural person fails to close his position on the last trading day, the Exchange will strengthen his position and close his position at the current price. Your two pictures should be traded first after the Spring Festival, so the decline and increase will be great, which is normal and will return to normal in a day. Every commodity futures has a variety of contracts. Generally speaking, we only do the main contract, that is, the contract with the largest turnover and position.