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In this paper, we show that the sensitivities to the SABR parameters can be materially wrong then the SABR formula is used, in particular for long expiries and in high volatility environments. For example, we obtain positive sensitivities to the spot-vol correlation parameter for low strike...
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We investigate the effect of including variance derivatives as calibration and hedging instruments for pricing and … hedging exotic structures. This is studied empirically using market data for SPX and VIX derivatives applied in a stochastic …
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