This appendix extends the empirical results in Chesney, Crameri, and Mancini (2011). Informed trading activities on put and call options are analyzed for 19 companies in the banking and insurance sectors from January 1996 to September 2009. Our empirical findings suggest that certain events such...

We develop statistical methods to detect informed trading in options markets. We apply these methods to 31 companies from various sectors over 14 years analyzing approximately 9.6 million option prices. We find that option informed trading tends to cluster prior to certain events, takes place...

This paper develops a liquidity measure tailored to the foreign exchange (FX) market, quantifies the amount of commonality in liquidity across exchange rates, and determines the extent of liquidity risk premiums embedded in FX returns. The new liquidity measure utilizes ultra high frequency data...

We propose a new method for pricing options based on GARCH models with filtered historical innovations. In an incomplete market framework, we allow for different distributions of historical and pricing return dynamics, which enhances the model's flexibility to fit market option prices. An...

This paper develops a liquidity measure tailored to the foreign exchange (FX) market, quantifies the amount of commonality in liquidity across exchange rates, and determines the extent of liquidity risk premiums embedded in FX returns. The new liquidity measure utilizes ultra high frequency data...

This paper suggests that changing risk conveys information useful to improve performance.