Nifty Dec 5000 call added 7.85 lakh shares in OI, up 16.81% and 5100 call added 10.25 lakh shares in OI, up 16.06%. On the put side nifty Dec 4900 put shed 2.07 lakh shares in OI, down 4.01% and 4800 put shed 1.11 lakh in OI, down 0.19%. The put-call ratio of stock option increased from 0.51 to 0.72 while put-call ratio of index option increased from 0.89 to 1.10. On the whole the put call ratio was at 1.08.