This article evaluates supervisory approaches to the measurement and capital treatment of the price risk of options positions. The authors find that approximate value-at-risk rules tend to provide better estimates of potential losses than simple strategy-based rules. The value-at-risk rules are...

Market participants and policymakers closely monitor movements in the yield curve for information about future economic fundamentals. In several recent episodes, however, disruptions to market liquidity have affected the short-term dynamics of the curve independently of fundamentals. This...

The potential for the dynamic hedging of written options to lead to positive feedback in asset price dynamics has received repeated attention in the literature on financial derivatives. Using data on OTC interest rate options from a recent survey of global derivatives markets, this paper...