exposure to changes in the price of the underlying stock (delta), and exposure to changes in implied volatility (vega) are …-known market, size, book-to-market, momentum, and short-term reversal factors. Additional volatility, stock, and option market …

exposure to changes in the underlying stock price (delta), and exposure to changes in implied volatility (vega) are removed …-to-market, momentum, short-term reversal, volatility, or option market factors …

contrast, the implied volatility is shown to Granger-cause the returns less strongly than the returns do. In addition, this …

We introduce a discrete-time model for log-return dynamics with observable volatility and jumps. Our proposal extends … the class of Realized Volatility heterogeneous auto-regressive gamma (HARG) processes adding a jump component with time … compensating for equity, volatility, and jump risks, the generating function under the risk-neutral measure inherits analytical …

We nest multiple volatility components, fat tails and a U-shaped pricing kernel in a single option model and compare … two-factor models. A second volatility component improves the option fit by 9% on average. Fat tails improve option fit by …

is distinct from existing anomalies in the stock market or volatility-related option mispricing. It is consistent with … increase in the idiosyncratic volatility of the underlying stock. This result can not be explained by standard risk factors. It … idiosyncratic volatility stocks due to their higher arbitrage costs. Controlling for limits to arbitrage proxies reduces 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 supported by the empirical evidence. For over 4,000 stocks ranked by slope … for stock characteristics like size, book-to-market, leverage, volatility, skewness, and volume. Furthermore, the results …

We introduce Implied Volatility Duration (IVD) as a new measure for the timing of uncertainty resolution, with a high …