According to the daily report of Maximus Securities:
F&O Outlook: Nifty PCR-OI has reduced to 0.97 from 1.02. The fall in the ratio may be due to decrease in PE of 8000 and boost in CE of 8700. PE of 8600 and CE of 8700 are the uppermost number of contracts traded.
Trading of CNX Nifty futures on the Singapore stock exchange points out that the Nifty could loose 17.5 points at the opening bell.