The ROC Multi-Currency Indicator is a useful and popular Forex indicator for MetaTrader 4 (MT4) that helps traders identify when the market is overbought or oversold. The ROC Multi-Currency Indicator is a line-based indicator that compares the current price of a currency pair to its past price. When the current price is higher than the past price, the indicator will display a green line, and when the current price is lower than the past price, the indicator will display a red line. The indicator is easy to use and can be used by both experienced and novice traders.