In Stock Market BSE Index closed at 17993, down with 333 points, the index touched high and low of 5,456.70 and 5,373.00, respectively. While Nifty Index shut up at 5387, also down with 100 points, The index touched a high and a low of 18,269.06 and 17,971.02 respectively.

Nifty May 2011 futures closed at 5,382.00, at a discount of 4.55 points over spot closing of 5,386.55, while Nifty June 2011 futures were at 5,386.10 at a discount of 0.45 points over spot closing. The near month May 2011 derivatives contract expires on Thursday, May 26, 2011. Nifty May futures saw addition of 11.76% or 2.88 million (mn) units, taking the total outstanding open interest (OI) to 27.44 mn units.

For Nifty calls, 5400 strike price (SP) from the May series was the most active call with a contraction of 1.17 million or 14.58%. Among Nifty puts, 5400 SP from the May month expiry was the most active put with an addition of 0.76 million or 9.56%. The maximum Call OI outstanding was at 5500 SP (6.85 mn) and that for Puts at 5400 SP (8.72 mn).