Smile‐implied hedging with volatility risk

Pascal François and Lars Stentoft

Journal of Futures Markets, 2021, vol. 41, issue 8, 1220-1240

Abstract: Options can be dynamically replicated using model‐free Greeks extracted from the volatility smile. However, smile‐implied delta and delta–gamma hedging do not achieve minimum variance in the presence of price–volatility correlation, and these strategies have shown poor performance relative to the Black–Scholes (BS) benchmark. We propose a way to extend smile‐implied option replication with volatility risk management. Large‐scale evidence on S&P 500 index options indicates that smile‐implied delta–gamma–vega hedging strategies outperform the BS approach as well as more sophisticated option hedging frameworks, including stochastic volatility and jumps.

Date: 2021
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https://doi.org/10.1002/fut.22191

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