NIFTY EOD OPTIDX Open Interest - 15th JULY 2011

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Calls from 5100 to 6000 have 4,04,08,000 Open Interest at the EOD at an average of 40 lakhs.
5700 call having the highest OI at 91,43,550 and reduction in price implies the call writing.
5600 call had the highest addition of OI at 12,28,900.

Puts from 5100 to 6000 have 4,33,10,800 Open interest at the EOD at an average of 43 lakhs.
5500 put having the highest OI at 1,01,86,600.(1 crore) and reduction in price implies the put writing

Based on the Percentage change of OI and Price, Nifty appears to be bearish as of now.