Before the delivery date, if you make a profit, you can sell your futures orders at any time and make a profit.

3. On the delivery date, you have never made a profit, or the profit is not ideal. You can pay the site fee.

4. If you want to buy a spot today, you need to contact by phone and go through the formalities. Basically, it is impossible to complete the transaction on the same day. If the futures have been priced, you can close the position immediately.