Nifty Feb 5900 call added 6.24 lakh shares in OI and 6000 call shed 10.70 lakh shares in OI. On the put side nifty Feb 5800 put shed 5.28 lakh shares in OI and 5700 put shed 5.52 lakh in OI. The put-call ratio of stock option decreased from 0.54 to 0.48 while put-call ratio of index option decreased from 0.87 to 0.84. On the whole the put call ratio was at 0.81.