BSE Sensex (16162.06) and Nifty (4867.75) closed down 4.6% and 4.3% respectively last week.Nifty Future September was quoting at 2.50 points discount.Nifty call option September 4900 was very active.Support for Sensex is at 15450. Resistance for Sensex is at 16880 .Support for Nifty is at 4650 and resistance at 5080.. The September 2011 derivatives contracts expire on Thursday, 29 September 2011. RIL and SBI added Open Interest in September series.Huge position was build up at RIL September Call Option Strike Price 800.Good build up was also seen at SBI September Call Option Strike Price 2000. Strategy for Futures Option players. 1)CIPLA(283.85) Lot Size-1000 Shares Buy One Call Option of September Strike Price 280@6.25 Rs Sell One Call Option of September Strike Price 300@0.60 Rs. Premium .Paid=6.25*1000=6250.00 Rs. Premium Received=0.60*1000= 600.00 Rs. Net Premium Paid=6250-600=5650.00 Rs. Maximum Profit==300-280=20*1000=20000-5650=14350.00 Rs.- Maxim...