Excel Confidence % Ranges between 0 and 100, usually at the extreme end of the scale. A value of 0 indicates an unlikely move up, while 100 indicates a high probability of a rise. You can try to use a slower version of the indicator (replacing 7 and 15 in the formula 3 and 5, respectively, and trade intersections, like stochastics. You can also trade levels buy at values of 90 and above, sell at 10 and below.