Range Bars EA v1.0 MT4 for MetaTrader 4 (MT4) is an Expert Advisor (EA) designed to trade using Range Bars as its primary charting method. Range bars are a type of price chart that focuses on price movement, ignoring time intervals. This type of chart only forms a new bar once the price has moved a specified range, such as 10 pips or 50 pips, regardless of how much time has passed.