Yes, both MT4 trading platform and MT5  trading platform have deep customization options: Interface customization: MT4 allows changing the look and feel of charts, setting up custom indicators, and saving all kinds of preferred settings as templates. MT5 offers much the same kind of individual customization but with improved flexibility when handling several charts and timeframes. Automated trading: MT4 provides MT4 Expert Advisors, written in the programming language MQL4, allowing automated trading to be further supported by strategy development tailored to individual customer preferences/futures. MT5—supports EAs written in MQL5 with much more advanced facilities in programming for sophisticated trading strategies. Plugins and add-ons: MT4: Many plugins and add-ons are available for functionality ranging from custom indicators to trading scripts. MT5: This platform also supports many plug-ins and add-ons; most brokers will offer specialized tools to help with trading. Mobile and Web Adaptation: MT4:In the mobile and web versions available, some basic customization is enabled for matching on desktops. MT5: In terms of development, sailed desktop and mobile/ web terminals provide advanced customization options; often, these have an upper hand over MT4.