← Back to X_TRADER® Help Library

X_STUDY® Documentation

Rate of Change (ROC100)


The Rate of Change (ROC100) indicator compares the current price with the previous price from a selected number of periods ago. The current price is divided by the previous price and multiplied by 100. This indicator is also commonly known as a momentum indicator.


ROC100 = (Current Price / Price of n bars ago) * 100

Where: n = Time period