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 Attach Orders section of the order ticket just below the Time in Force when you have Shares selected for quantity.
More advanced order types are available in Desktop TWS or IBKR Mobile.
Additional Information