Heath-Jarrow-Morton Model (HJM Model) A model that applies forward rates to an existing term structure of interest rates to determine appropriate prices for securities that are sensitive to changes in interest rates. Investopedia Says: The HJM model is very theoretical and is used at the most advanced levels of financial analysis. It is used mainly by arbitrageurs seeking arbitrage opportunities. Related Terms: Arbitrage Binomial Option Pricing Model Black Box Model Black Scholes Model Financial Modeling Jarrow-Turnbull Model Term Structure of Interest Rates |