Nifty Sep 5000 call added 13.73 lakh shares in OI, up 26.45% and 5100 call added 7.02 lakh shares in OI, up 15.21%. On the put side nifty Sep 4900 put added 0.94 lakh shares in OI, up 1.63% and 4800 put added 1.24lakh in OI, up 1.72%. The put-call ratio of stock option decreases from 0.62 to 0.52 while put-call ratio of index option increases from 1.09 to 1.14. On the whole the put call ratio was at 1.11.