As you know, tastytrade is one of the several brokers on WealthCharts you can use to link your account and trade LIVE!
For futures traders, most of them like to look at the continuous futures data. To see this data, be sure to type in a dollar sign and then a forward slash when reviewing those markets. You can type in $/ES for example and the ticker will appear allowing you to change your chart.
Take a look at the GIF below for an example: