You can rename your watchlist on the Kite app by following these steps:
- Tap and hold on the marketwatch.
- Tap on Edit and make the required changes.
- Tap on Save.
You cannot rename watchlists on Kite web. However, any watchlist you rename on the Kite app automatically syncs to Kite web. Hover over the watchlist number on Kite web to see the renamed marketwatch name.