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.
Why the creator dont say it from the beginning
1. Support flicker and most of the time disappear completely rather then stay so we can look on past data and see how it performed
2. Some lines of support and resistance after refrash disappear
Why the creator dont mention it or change it to fully great indicator, with no flicker siginals and no disappearing lines after refrash, so by looking on past data we can know exactly what happen
Shame the creator didnt tell it