System Quality Number (SQN) 

SQN is used to quantify the characteristics of market types based off of the last 100 days of trading It is a backward-looking indicator SQN is NOT a signal generator, it describes the environment more than why to get in, it also helps keep us out of the wrong trading environment. 

You can customize the period, the bar type and bar period also select the colors for strong buy, quite buy, neutral, strong sell and quite sell environments.