On the call options front addition of open interest was witnessed in last trading session at strike price of 5400 and 5300.

On the put options front we have seen addition of open interest in last trading session at strike price of 4800 and 5000.

OI Chart Analysis: From the OI Chart we can see the strike price witnessed highest addition of open interest in the August Series. In coming sessions market may trade in a range of 4800-5300. On the call option front strike price with the highest open interest i.e 5300 and 5400 may act as resistance on the up side whereas on the put option front strike price with the highest open interest i.e 5000 and 4800 may act as a support on the downside.

Markets slumped in late trades with the Nifty touching a low of 5052.85. The index opened on a cautious note after global markets weakened on fears of the debt crisis spreading further. However, it managed to recover on the back of buying in auto shares. Thereafter, the index remained volatile in a narrow range. The Nifty finally ended down - 79.85 points at 5068.50.

Nifty Futures shut stop at 5065.95 down by -89.90 points or -1.74 %. It is looking bearish in the coming trading session if it manages to trade below the support level of 4970 else above resistance level of 5180 it would be in an upward trend.