Asset Price Behaviour in Indian Stock Market: Is Conditional CAPM Relevant?

The present study attempts to test the validity of the Conditional Capital Assel Pricing Model (CAPM) in the context of Indian stock market. The Autoregressive Conditional Heteroscedastic (ARCH) process, as well as, its variants such as ARCH-in-Mean (ARCH-M), Generalised Autoregressive Conditional Heteroscedastic (GARCH) and GARCH-in Mean (GARCH-M), Me employed to ascertain whether the CAPM -with these process can explain asset price behaviour of Indian stock market better. The results based on the monthly return of 53 stocks traded in the Bombay Stock Exchonge (BSE) during the period 1987: 1-1994:5 reveal that the conditional CAPM performs well under empirical scrutiny.