Vá na base terminológica IATE e digite "equity options" e depois "trader".

Equity option = An option in which the underlier is the common stock of a corporation, giving the holder the right to buy or sell its stock, at a specified price, by a specific date. also called stock option.

Equity option = An option contract on a stock. The holder of an equity option has the ability to buy (in a call) or sell (in a put) some number of stocks in a certain company at a given strike price on or before the expiration date.

Espero que possa lhe ajudar!