Industry Systematic Risk in Stock Market According to Jump Beta

Industry beta has great role and applications in corporate finance such as equity cost, assets pricing, services pricing, portfolio management and risk management procedures. Here we propose jump-continuous pricing model as an efficient factor model for abovementioned applications, then scrutinizing industry jump beta and industry continuous beta according the model. Consequently, supremacy of jump beta on continuous beta in all studied industries is resulted. Moreover, descriptive and statistical recognition about the stance of industries jump and continuous beta achieved. Subsequently, effect of company characteristics on industry betas studied using panel data regressions, and then their effect on jump beta supremacy studied by probit regression. Company characteristics influence on betas aggressiveness and finally their effect on beta’s deviation from industries beta were investigated. Along with some general results about most of industries, like firm’s size effect on both betas aggressiveness and its effect on deviation from industry continuous beta, we gather some results about some industries, which should be interpreted by based on the industries circumstances