In 1993, the Chicago Board of Options Exchange (CBOE) introduced the COBE Volatility Index (VIX). This index has become the de facto benchmark for stock market volatility. On September 22, 2003, the CBOE revamped the definition and calculation of the VIX, and back-calculated the new VIX up to...

We document the behavior of over-the-counter currency option prices across moneyness, maturity, and calendar time on two of the most actively traded currency pairs over the past eight years. We find that the risk-neutral distribution of currency returns is relatively symmetric on average....