TKSBrokerAPI is the trading platform for automation and simplifying the implementation of trading scenarios, as well as working with Tinkoff Invest API server via the REST protocol. The TKSBrokerAPI platform may be used in two ways: from the console, it has a rich keys and commands, or you can use it as Python module.
RUB000UTSTOM
is a technical ticker for detecting margin used, and not need to show it to user in main overview table: