The derivative report provides an analysis of the Indian derivatives market for October 1, 2010. Open interest in Nifty futures increased 2.8% while open interest in Mini Nifty futures rose 1.76%. Nifty October futures closed at a premium of 3.55 points. Put-call ratios increased for several stocks and indices including Nifty and Bank Nifty. Significant positions were observed in 6000 strike call and put options for the October series.