Jump to binary option valuation Jump to search “Stock option” redirects here. For the employee incentive, see Employee stock option.
The seller may grant an option to a buyer as part of another transaction, such as a share issue or as part of an employee incentive scheme, otherwise a buyer would pay a premium to the seller for the option. A call option would normally be exercised only when the strike price is below the market value of the underlying asset, while a put option would normally be exercised only when the strike price is above the market value. The owner of an option may on-sell the option to a third party in a secondary market, in either an over-the-counter transaction or on an options exchange, depending on the option. Contracts similar to options have been used since ancient times. The first reputed option buyer was the ancient Greek mathematician and philosopher Thales of Miletus. 1690s during the reign of William and Mary. Film or theatrical producers often buy the right — but not the obligation — to dramatize a specific book or script.