Sensor Shows The Actual SERP Volatility Level, Which Reflects The Speed Of Changes In Google Search Results. What SENSOR Score Refers To A Normal Volatility Level? Sensor Shows The Actual SERP Volatility Level, Which Reflects The Speed Of Changes In Google Search Results. What SENSOR Score Refers To A Normal Volatility Level? 0 to 2 8 to 10 2 to 5 5 to 8