You can configure the Positions widget to display your open positions and P/L by account, exchange, product, or contract by using the Group By option in the context menu or the local Settings: Positions menu.
By default, the Positions widget groups your positions by Account as shown.
To group positions in the widget by exchange, product, or contract using the context menu, right-click in the widget and select Group By....
To change the grouping, click an option in the Group By... menu (e.g., Exchange).
By clicking Group By... | None, you can disable grouping to display the positions in a flattened form as shown.