Today, 18400 is the crucial intraday level for Sensex.
If Sensex sustains below 18400, then it could test 18250 and below that level it could test 18050. Instead, if Sensex trades above 18400, then it could test 18500.
If Bank Nifty sustains below 11000 then it could test 10900,and below that level it could test 10650. Instead, if Bank Nifty trades above 11000, then it could test 11150.