FIIs were net buyers of Indian stocks and stock futures on Friday. They purchased Rs. 604 crore worth of stocks. The Nifty futures contract closed at parity while the January contract closed at a premium of 21 points. The PCR for index options increased from 1.24 to 1.26 while implied volatility decreased. Put options at the 5900 and 6000 strikes saw significant increase in open interest. TATAMOTORS, HINDALCO, INFOSYSTCH, BEL and SUNTV saw an increase in both price and open interest. ORIENTBANK, CANBK, SINTEX and LUPIN saw a decrease in both price and open interest.