HJM Local Volatility Model

V. M. Belyaev

Papers from arXiv.org

Abstract: Local Volatility (LV) is a powerful tool for market modeling, enabling the generation of arbitrage-free scenarios calibrated to all European options. To implement LV, we need to interpolate and extrapolate option prices. This approach is significantly faster and more accurate than any parameterized model. The implementation is demonstrated specifically for interest rate swaptions and caplets. A key component of this method is the Small Volatility Approximation within the HJM interest rate model, which is used to calculate sensitivity of forward bond volatility. These calculations are deterministic and fast, with excellent calibration accuracy. A detailed description of the calibration procedure is provided.

Date: 2023-01, Revised 2025-01
New Economics Papers: this item is included in nep-ets
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