Today, 18400 is the crucial intraday level for Sensex.
If Sensex sustains below 18400, then it could test 18300 and below that level it could test 18200. Instead, if Sensex trades above 18400, then it could test 18480.
If Bank Nifty sustains below 10815, then it could test 10700,and below that level it could test 10600. Instead, if Bank Nifty trades above 10815, then it could test 10900.