In the presence of jump risk, expected stock return is a function of the average jump size, which can be proxied by the slope of option implied volatility smile. This implies a negative predictive relation between the slope of implied volatility smile and stock return, which is strongly...

Traditional finance theories assume that investors are risk averse whereas in reality investors exhibit both risk averse and risk seeking behaviors. For example the same individual could be purchasing insurance (risk averse) and lottery ticket (risk seeking) simultaneously. We propose that the...