I suggest trading in an area where a huge position. In the chart, you can see two Tails existed which solid sellers attack. Targets 819 and 798 are for short sellers.
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BUY IBULHSGFIN 900strike call 20.8-21.6 with stoploss 19.6 targets 31-34 I bought it at @21.4
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I am not going this call option, so NOTE that you should exit from this countertrade. @ CMP is at 22.7