It shows a bar chart of currencies strength, alongside best symbols to long or short according to currencies strength.

You can change the time frame and periods which is the number of x previous bars that will be used to calculate strength of each currency.

Initial load of plugin takes some time as it loads a lot of symbols and their data according to your selected time frame.

It also persists your selected period and time frame in local storage so when you launch cTrader again you will see same time frame and periods data.