Closed-form valuations of basket options using a multivariate normal inverse Gaussian model
This paper uses a multivariate normal inverse Gaussian model to develop closed-form pricing formulas for both geometric and arithmetic basket options. For geometric basket options, an exact analytical solution is possible; for arithmetic basket options, the formula is an approximation. The model is based on a jump-driven financial process, which is known empirically to be more realistic than a geometric Brownian motion. By comparing our results to Monte Carlo experiments, we confirm the internal consistency of our formulas. The "Greeks" can be derived from the closed-form formulas in a straightforward manner.
Normal inverse Gaussian Basket option Esscher transform Time-changed Lévy process
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