The prevailing view of implied volatility comovements, IVC, defined as the correlation between a firm's implied volatility and the market's implied volatility, is that they indicate the presence of systematic volatility risk to the firm's investors. We take a different stance and conjecture that...

While pledging shares as collateral for personal loans is commonly practiced in many countries that protect minority shareholders, the empirical evidence has shown only its value destruction to shareholders. This paper offers an (partial) explanation of this puzzle by documenting a positive...

We analyze the relationship between insider trading density and the future stock returns in Chinese listed companies. We introduce a new aspect of the trading pattern, insider trading density, to investigate the information advantage held by insiders. Insiders who trade at a low density during...