Today, 18580 the crucial intraday level for Sensex.
If Sensex sustains below 18580, then it could test 18450 and below that level it could test 18380. Instead, if Sensex trades above 18580, then it could test 18660.
If Bank Nifty sustains below 11535, then it could test 11400,and below that level it could test 11300. Instead, if Bank Nifty trades above 11535, then it could test 11600.