the right to buy or sell something at some time in the future
اختیار خرید و فروش, اختیار خرید, اختیار فروش, برگه اختیار معامله, اختیار معامله
We have an option on the house.
He has promised me first option on his car .
The property is for rent with an option to buy at any time.
They exercised an option on their lease to buy the building.
She took up an option in her contract to buy three million shares.
see also share option, stock option