The Chaikin Volatility Indicator (CV) is a popular free Forex indicator for the MT5 trading platform. The indicator uses the difference between the High and Low prices of a currency pair to calculate the volatility. The CV indicator is calculated by taking the difference between the High and Low prices of a currency pair, then dividing it by the Average True Range (ATR). The Chaikin Volatility Indicator is a popular and free Forex indicator for the MT5 platform, providing traders with a useful tool to gauge market volatility and predict potential breakouts.