How do I create a One Cancel Another (OCA) group of orders in Client Portal?

IBKR Mobile does support the One Cancels Another (OCA) order type but it is only allowed for open positions and the OCA order can not be placed to enter a position.

To place an OCA order in IBKR Mobile on a current position, you will want to select…

You can use a One-Cancels All (OCA) order type to create a bracket order for an existing position. This allows an investor to place multiple orders assigned to a group. The aim is to complete just one of the orders, which in turn will cause TWS to cancel the remaining orders…

You can trade these order types in Client Portal: Limit, MidPrice, Market, Stop, Stop Limit, Trailing Stop, Trailing Stop Limit, Market on Close and Limit on Close. Additionally you can create an exit strategy using the Profit Taker and attached Stop-Loss orders from the…

Client Portal allows one to enter basic order types (Limit, MidPrice, Market, Stop, Stop Limit, Market on Close and Limit on Close) and attach a profit taker and/or stop loss at the time of placing the order or once the position is on. You can create a profit taker and/or a stop loss order when placing the parent order by first selecting your quantity in Shares then under Attach Orders toggle on the Profit Taker and/or Stop Loss. After you have a position, you will need to select Portfolio then on the position row click the three vertical dots and choose Exit Strategy. From the Exit Strategy window you can toggle on and off your Profit Taker and/or Stop Loss…