Nifty Dec 4800 call added 8.99 lakh shares in OI, up 22.73% and 4900 call added 6.38 lakh shares in OI, up 13.22%. On the put side nifty Dec 4700 put added 4.35 lakh shares in OI, up 5.04% and 4600 put shed 0.31 lakh in OI, down 0.62%. The put-call ratio of stock option decreased from 0.54to 0.49 while put-call ratio of index option increased from 0.91 to 0.98. On the whole the put call ratio was at 0.96.