Well the shorter the value on the RSI the faster it will react to the changes in price and the higher the RSI value the slower it reacts....so fast in and out trading can use like 2, 5 while longer term swing trading can use 14 or higher. Check out this video, its one of many that I have on that site <a href="http://www.stockhideout.com/video-text-chart-lessons/1586-rsi-video-lesson.html" target="_blank">http://www.stockhideout.com/video-text-chart-lessons/1586-rsi-video-lesson.html</a>