This paper examines the forecast power of subsets of the option-implied interest rate derivatives’ expectations. We use a string market model with three factors to extract the implied risk-neutral volatility of the short-end interest rate term structure. Using data from the Brazil derivatives...

From interbank interest rate option prices, we obtain the implied market expectations for interest rates using a genetic algorithm and a multifactor term structure model. We further analyse how those expectations differ for a subset of options and futures, and whether those expectations...