This is "A$T". It's an account that provide access to additional functionality and ad-free environment. Each newly registered user starts with 7 days trial period enabled by default.
After the end of the first 7 days trial period. Everyone is able to extend its "A$T" trial period for free. Just share our introduction video in a public post and send the link to email@example.com from the same email address that is associated with your registration. In return you get 1 month ad-free backtesting environment.
Recommendations, bug reports, donations, thoughts or feelings that you may have experienced while backtesting, all welcome.
That bug is a button try it.