Labels:text | screenshot | font OCR: MOMENTUM Bj 08 days days The momentum of a security is defined as a ratio of today's price compared to the price x-time periods ago. Momentum= (C{0}/C(10})*10 INTERPRETATION- The is identical to the momentum, indicator Price rate of change of a securities price. The price ROC indicator displays the rate of change as a percentage. The momentum indicator displays the rate of change as a ratio.