The MT5 edition of Flexible Leverage: the server plugin adjusts a trader's leverage on the fly based on total open exposure, driven by an unlimited set of tiered rules with a graphical settings UI.
This is a plugin for MetaTrader 5 to dynamically change trader's leverage depending on his total open position. Infinite number of rules. Graphical User interface to change settings. Comprehensive documentation can be found here. Files can be downloaded from here.