The BSE Index today at closed 19095, down 292 points, The index touched a high and a low of 19,649.22 and 19,071.47 respectively. While NSE nifty index shut up at 5732, the index touched high and low of 5,897.90 and 5,722.25, respectively. Selling pressure aggravated as the key benchmark indices hit fresh intraday lows in early afternoon trade soon after the data showed acceleration in headline inflation in March 2011.

Nifty April 2011 futures closed at 5,739.00, at a premium of 9.90 over spot closing of 5,729.10, while Nifty May 2011 futures were at 5,762.90 at a premium of 33.80 points over spot closing. The near month April 2011 derivatives contract expires on Thursday, April 28, 2011. Nifty April futures saw an addition of 7.43% or 1.89 million (mn) units, taking the total outstanding open interest (OI) to 27.34 mn units.

For Nifty calls, 5,900 strike price (SP) from the April series was the most active call with an addition of 1.11 mn or 18.96%. Among Nifty puts, 5800 SP from the April month expiry was the most active put with a contraction of 0.16 mn or 3.31. The maximum Call OI outstanding was at 5900 SP (7) and that for Puts at 5800 SP (4.89). The respective Support and Resistance levels are: Resistance 5843.91 -- Pivot Point 5783.08 -- Support 5668.26. The Nifty Put Call Ratio (PCR) OI wise stood at 0.99 for April-month contracts.