Today BSE index closed at 18502, down by 151 points, the index touched a high and a low of 18,765.60 and 18,473.90 respectively. Nifty shut up at 5567, down by 46 points.

Nifty July 2011 futures closed at 5,565.90, at a discount of 1.15 point over spot closing of 5,567.05, while Nifty August 2011 futures were at 5,588.00 at a premium of 20.95 points over spot closing. The near month July 2011 derivatives contract expires on Thursday, 28 July, 2011. Nifty July futures saw an addition of 9.67% or 2.03 million (mn) units, taking the total outstanding open interest (OI) to 23.02 mn units.

Among Nifty calls, 5600 SP from the July month expiry was the most active call with decline of 1.97 million or 27.63%. Among Nifty puts, 5600 SP from the July month expiry was the most active put with decline of 0.49 million or 6.56%. The maximum Call OI outstanding for Calls was at 5600 SP (9.09 mn) and that for Puts was at 5500 SP (7.06 mn).