ATR arrow level - indicator for MetaTrader 5 The ATR arrow level indicator is a small modification of the standard iATR (Average True Range, ATR). The essence of his work: if the ATR indicator turns out to be less than the specified " ATR: level ", then the icon from the Wingdings font is displayed on such a bar above its maximum price (the character code is specified in " Code (fonts Wingdings) ").