It is a quantitative measure of the bullishness or bearishness that can be used as a trading rule or in a trading system entries or exits. Included slow oscillator.
In true TradingView spirit, the author of this script has published it open-source, so traders can understand and verify it. Cheers to the author! You may use it for free, but reuse of this code in a publication is governed by House Rules. You can favorite it to use it on a chart.