Choose an option to trade from the list of available options

Choose the type of trade:
either CALL or PUT. Call means that you estimate the price at the time of expiration will be higher than the current price. Put means that you estimate it will be lower.

Enter the amount you would like to trade. you can change the trade type from CALL to PUT or vice-versa even after entering an amount.

Click 'Trade' to execute your trade.