To add a new contract, first click on the New button, then select the contract type (STK, OPT or FUT), fill the underlying symbol such as ES, MSFT, etc., other parameters such as Currency code, expiry for options, right for options, strike for options, exchange, multiplier, minimum tick, default and incremental quantity to trade, and whether or not the contract trades in fraction such as ZB. Finally click on the Save button, the new added contract should appear in the list box.

To change a contract, first select it from the list box, then change any fields and finally click on the Save button to save the change.

To delete a contract, first select it from the list box, then click on the Delete button.