Nifty Dec 5100 call added 6.34 lakh shares in OI, up 11.59% and 5200 call added 9.19 lakh shares in OI, up 19.19%. On the put side nifty Dec 5000 put added 2.9 lakh shares in OI, up 0.59% and 4900 put added 2.16 lakh in OI, up 4.53%. The put-call ratio of stock option decreased from 0.58 to 0.52 while put-call ratio of index option decreased from 0.96 to 0.88. On the whole the put call ratio was at 0.86.