Option contract is in English: option contract; Option 7. The option contract originated from Chicago Board Options Exchange 1973. Also known as options. Option contract A trading contract in which financial derivatives are used as execution varieties. Refers to the right to buy and sell a certain number of trading varieties at a specific price within a specific time. The buyer or the contract holder has the right to pay the deposit option fee; The contract seller or obligee (obligee) collects the option fee, and when the buyer wishes to exercise his rights, he must fulfill his obligations. If your problem has been solved. Please click below me to answer "adopt as the answer". I wish you a good mood every day! ~ thank you!