This helps in sector based trading, in which we can trade in the stocks which falls under that particular sector.
No need to roam around all the stocks in the whole watchlist.
It is recommended to create sector wise watchlist of all sectors. It will be easier to concentrate in only one sector.
For example in IT sector index there are certain stocks which contribute to the movement of IT sector.
This will be available in NSE (or exchange website).
For detailed description check out the descriptions in my previous 2 Alpha and Beta indicators.
Combine and use this screener with my previous Alpha & Beta indicator.
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.