By default, your open orders are marked on the relevant charts. These indicators are red for sell orders and green for buy orders. It shows you the open orders’ price, quantity, and total.
You can drag the open order indicators to instant modify the price for the live orders.
From the trading screen, you can quickly show or hide the open order indicator from the status bar.
Detailed preferences for open order indicators can be set from Preferences & Settings > Chart Preferences.
This setting is global, which means it applies to all your charts. The app also remembers your preference. So if you do not see your open order indicators on the charts, you probably turned it off.