BSE Sensex (17604.96) and Nifty (5325.85) closed up 2.2% and 2.3% respectively last week.Nifty Future February was quoting at 13.15 points premium.Nifty call option February 5300 was very active.Support for Sensex is at 17350. Resistance for Sensex is at 17900 .Support for Nifty is at 5240 and resistance at 5420. BPCL,HPCL,ONGC,Power Grid,Hindalco,Tata Steel and Bharti Airtel will announce results next week. DLF and IDFC added Open Interest in February series.Huge position was build up at ICICI Bank February Call Option Strike Price 900.Good build up was also seen at RIL February Call Option Strike Price 840.. Strategy for Futures Option players. 1)ONGC(281.65) lot size 1000 shares Buy One Call Option of February Strike Price 280@9.30 Rs Sell One Call Option of February Strike Price 300@2.80 Rs. Premium ....