We examine the return‐implied volatility relation by employing “commodity” option VIXs for the euro, gold, and oil. This relation is substantially weaker than for stock indexes. We propose several potential reasons for these unusually weak results. Also, gold possesses an unusual positive...

We use a new futures database to identify and determine the importance of spread volume for currency futures and hence the liquidity available for spreading. Spreads are a significant proportion of total volume for currency futures, with both calendar and cross-spreads being significant....