Munich Personal RePEc Archive

Effects of market sentiment in index option pricing: a study of CNX NIFTY index option

Nagarajan, Thirukumaran and Malipeddi, Koteswararao (2009): Effects of market sentiment in index option pricing: a study of CNX NIFTY index option.

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Abstract

This paper provides evidence of the role of sentiments in pricing Indian CNX Nifty index call Option during the period from April 2002 to December 2008. It also shows that Black-Scholes option pricing model using the implied volatility of previous day is pricing the Index options much closer to the actual price compared to Modified Black-Scholes pricing model incorporating non-normal skewness and kurtosis suggested by Corrado & Sue [1996]. The market is pricing the call option higher than Black-Scholes price during bullish period compared to that of bearish period even though sentiments are incorporated in the underlying asset which in this case is the Nifty Index. The index call options are priced about 1.5 percent more than Black-Scholes price during Bullish period compared to that of Bearish period during the period of observation.

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