The BSE Sensex shut up at 16713, down by 108 points, the index touched a high and a low of 16,760.07 and 16,561.46 respectively. While Nifty index shut up 5017, down by 23 points, the index touched high and low of 5,030.30 and 4,964.45 respectively.

Nifty September 2011 futures closed at 5,013.50 at a discount of 3.70 points over spot closing of 5,017.20, while Nifty October 2011 futures were at 5,025.00 at a premium of 7.80 points over spot closing. The near month September 2011 derivatives contract expires on Thursday, September 29, 2011. Nifty September futures saw addition of 13.39% or 3.26 million (mn) units, taking the total outstanding open interest (OI) to 27.64 mn units.

Among Nifty calls, 5100 SP from the September month expiry was the most active call with addition of 0.45 million or 10.73%. Among Nifty puts, 4900 SP from the September month expiry was the most active put with addition of 0.68 million or 13.64%. The maximum Call OI outstanding for Calls was at 5100 SP (4.61 mn) and that for Puts was at 5000 SP (5.65 mn).