Today, 17430 the crucial intraday level for Sensex.
If Sensex sustains below 17430, then it could test 17250 and below that level it could test 17100. Instead, if Sensex trades above 17430, then it could test 17550.
If Bank Nifty sustains below 10550, then it could test 10400,and below that level it could test 10250. Instead, if Bank Nifty trades above 10550, then it could test 10650.