BSE sensex shut up at the 16285, down by 213, The index touched a high and a low of 16,533.22 and 16,253.78 respectively. While Nifty Index shut up at 4889, down by 60 points.

Nifty August 2011 futures closed at 4,869.30, at a discount of 19.60 points over spot closing of 4,888.90, while Nifty September 2011 futures were at 4,874.10 at a discount of 14.80 points over spot closing. The near month August 2011 derivatives contract expires on Thursday, August 25, 2011. Nifty August futures saw addition of 15.21% or 2.43 million (mn) units, taking the total outstanding open interest (OI) to 18.46 mn units.

Among Nifty calls, 4900 SP from the August month expiry was the most active call with addition of 0.85 million or 25.27%. Among Nifty puts, 4900 SP from the August month expiry was the most active put with contraction of 0.51 million or 10.37%. The maximum Call OI outstanding for Calls was at 4900 SP (4.24 mn) and that for Puts was at 4900 SP (4.48 mn).