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Three options are roughly enough - Variance-optimal semi-static hedging in the rough Heston model

Author

Listed:
  • Paolo Di Tella
  • Martin Keller-Ressel
  • Beatrice Ongarato

Abstract

This paper studies semi-static variance-optimal hedging of variance swaps in the rough Heston model under a risk-neutral measure. We combine dynamic trading in the underlying asset with static positions in a finite basket of European options, with the aim of minimizing the variance of the residual hedging error. Exploiting the Markovian lift provided by the forward variance curve, the Fourier representations of the claims and the Laplace transform characterization of the log-price, we derive semi-explicit formulas for the optimal strategies and the hedging error. We then study the optimal claim selection problem, investigating numerically how the choice of static instruments depends on the Hurst index. Under standard parametrization, we discover that "three options are roughly enough", i.e. adding three static vanilla options reduces the hedging error by more than 95% relative to the purely dynamic hedge for all considered roughness regimes H= 0.1, 0.3, 0.5.

Suggested Citation

  • Paolo Di Tella & Martin Keller-Ressel & Beatrice Ongarato, 2026. "Three options are roughly enough - Variance-optimal semi-static hedging in the rough Heston model," Papers 2610.13543, arXiv.org.
    • Handle: RePEc:arx:papers:2610.13543
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    References listed on IDEAS

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