Chaikin's Volatility indicator compares the spread between a security's high and low prices. It quantifies volatility as a widening of the range between the high and the low price. You can use in the xPrice1 and xPrice2 any series: Open, High, Low, Close, HL2, HLC3, OHLC4 and ect... You can change long to short in the Input Settings Please, use it only for learning or paper trading. Do not for real trading.