Today, 17830 is the crucial intraday level for Sensex.
If Sensex sustains below 17830, then it could test 17600 and below that level it could test 17400. Instead, if Sensex trades above 17830, then it could test 18040.
If Bank Nifty sustains below 10780, then it could test 10680,and below that level it could test 10550. Instead, if Bank Nifty trades above 10780, then it could test 10840.