Why tradingview has volume in index and why not fyers

Hey @107153350926667143441 , Index Volumes is available on FYERS Web, Trader, and App, allowing you to view the combined volume of all the underlying stocks of an index.

You can also apply volume-based studies like VWAP, Anchored VWAP, and Volume Profile directly on index charts.

For the complete details: Say Hello to India’s First Index Volumes