The summary is:
1) The derivative report analyzes the performance of the Nifty futures, options, and key stocks from the previous trading session on July 18, 2011.
2) It provides details on changes in open interest, premium levels, volatility, and turnover for various derivatives contracts.
3) Trading strategies and technical analysis is also given for some stocks along with risk-reward profiles of sample spreads trades for the Nifty.