The PChannel Indicator is a useful and popular free Forex indicator for MT4. The indicator works by measuring the price range between two moving averages. When the price range is within a specified range, it indicates a potential price breakout or reversal. The indicator also features built-in alerts, which can be used to notify traders of potential price breakouts or reversals. With the PChannel Indicator, traders can identify potential price breakouts and reversals quickly and easily, allowing them to make better trading decisions.