This study is concerned with establishing the determinants of banks' exposure to risk and with predicting risk in banking. Using the COMPUSTAT data base, prediction rules have been developed for two aspects of risk: systematic risk (risk that is related to covariance with the market portfolio)...

Common stock portfolios of large, heavily traded firms exhibit daily first-order serial correlation in excess of what would be expected, given the individual security coefficients. Further, this correlation rises as the number of securities in the portfolio increases. The direct implication of...