Markets finished flat amid a choppy trading session owing to weakness in metal stocks due to weak Chinese factory data.
Nifty May 2015 futures closed at 8419.10 today at a discount of 1.90 points over spot closing of 8,421.00, while Nifty June 2015 futures ended at 8,440.60 at a premium of 19.60 points over spot closing. Nifty May futures saw contraction of 0.43 million (mn) units, taking the total outstanding open interest (OI) to 13.14 million (mn) units.
Highest open interest has been seen in 8500 and 8600 strike price for call option and in 8300 and 8200 strike price for put option. SBIN 280 PUT has the highest open interest in buying.