Switch to pre- and post-market data
To display price movements outside the regular market hours on the chart use one of the options:
  1. 1.
    Left-click on the
    icon within the chart toolbar.
  2. 2.
    Right-click in the charting area to bring up the chart context menu, then select Settings followed by the Switch to Pre/Post Market Data menu item.
This is only possible if you receive such data from your data feed provider. Not all data feeds support pre-/post-market data. For Barchart, Teletrader, TaiPan TradersYard X won't be able to display Pre/Post data. For IQ-Feed, InteractiveBrokers TradersYard X can receive pre-/post-market data.
To differentiate between these periods and the regular exchange hours, you can set a different color for them according to your preferences.
For pre-/post-market you CANNOT use XT++.
You can manage the pre-/post-market time intervals within the Preferences -> History -> Market Place Escort -> Trading Hours:

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