Today BSE index shut up at 17941 , down by 169 points, while Nifty Index closed at 5405 , down by 52 points. The index touched a high and a low of 18,005.76 and 17,859.50 respectively. The index touched high and low of 5,422.60 and 5,378.85 respectively.

Nifty August 2011 futures closed at 5,429.45, at a premium of 24.65 point over spot closing of 5,404.80, while Nifty September 2011 futures were at 5,446.10 at a premium of 41.30 points over spot closing. The near month August 2011 derivatives contract expires on Thursday, August 25, 2011. Nifty August futures saw addition of 17.76% or 3.71 million (mn) units, taking the total outstanding open interest (OI) to 24.65 mn units.

Among Nifty calls, 5500 SP from the August month expiry was the most active call with addition of 0.80 million or 14.45%. Among Nifty puts, 5400 SP from the August month expiry was the most active put with addition of 0.23 million or 3.40%. The maximum Call OI outstanding for Calls was at 5600 SP (6.35 mn) and that for Puts was at 5500 SP (6.87 mn).