options are about rights. Option buyers can decide whether to exercise their rights on the option expiration date. Option sellers are obliged. If the option buyer decides to exercise the right, the seller must execute it.

the essence of futures trading is forward contracts. Both parties are buying and selling goods. Deliver the goods at the specified price by the delivery date, or do the opposite to fill the position. How should I say position in Chinese? ) If both parties sign a futures contract, they must perform it, and there is no option.