Stock index futures 1005, forgot to close the position before may 15. This contract can still be traded when it opens next Monday, and will be delivered on May 21(the third Friday in May). If you forget to close the position on the delivery date, the exchange will forcibly close the position according to the delivery price of the day. The premium and discount in futures are relative to the spot, and the premium and discount in futures are the prices of futures relative to the spot. Supplementary question: If you don't want to close your position on the delivery date, will you automatically transfer to the next main contract? No. Which contract did you transfer to? How much does it cost to move? What's the price of the mobile location? You can move the warehouse by yourself (also known as changing the month or extending the period), and generally move to the back main contract (with large transaction volume). The cost is the handling fee for buying and selling, and the price is the market price. Are the moving positions of commodity futures and stock index futures the same? Same. The stock index futures mentioned in the landlord 1 are delivered on the third Friday of May, so are commodity futures also delivered on the third Friday of that month? Usually not.