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volatility jump diffusion model …
Persistent link: https://www.econbiz.de/10013113731
The challenge in long volatility strategies is to minimize the cost of carrying such insurance due to negative roll … yields and negative volatility risk premia. This study proposes a hedging strategy for volatility as an asset class that …; (iii) using volatility contracts as extreme downside hedges can be a viable alternative to buying out-of-the-money S&P 500 …
Persistent link: https://www.econbiz.de/10012984895
strong performance for VIX futures selling or VIX call writing strategies. However, the high volatility of volatility and … selling of VIX instruments could have substantial volatility jump risk exposure which can result in economically meaningful … buys VIX calls – had lower volatility and less severe maximum drawdowns than the stock and commodity benchmark indexes …
Persistent link: https://www.econbiz.de/10012870103
We study the pricing of contracts in fixed income markets in the presence of volatility uncertainty. We consider an … arbitrage-free bond market under volatility uncertainty. The uncertainty about the volatility is modeled by a G-Brownian motion … traditional models with the highest and lowest possible volatility. Due to these pricing formulas, the model naturally exhibits …
Persistent link: https://www.econbiz.de/10012175590
exposure to changes in the price of the underlying stock (delta), and exposure to changes in implied volatility (vega) are …-known market, size, book-to-market, momentum, and short-term reversal factors. Additional volatility, stock, and option market …
Persistent link: https://www.econbiz.de/10013111682
which succeeds with high probability. -- Hedging ; superhedging ; Neyman Pearson lemma ; stochastic volatility ; value at …
Persistent link: https://www.econbiz.de/10009574876
exposure to changes in the underlying stock price (delta), and exposure to changes in implied volatility (vega) are removed …-to-market, momentum, short-term reversal, volatility, or option market factors …
Persistent link: https://www.econbiz.de/10013094978
This paper investigates the use of the asymptotic Heston solution in locally risk minimizing hedging. The asymptotic Heston solution is presented along with issues that are relevant to its use. Comparison between the exact and asymptotic Heston hedges are made using both simulated and real...
Persistent link: https://www.econbiz.de/10013132896
-form Hermite series expansion for a stochastic volatility model with the stochastic variance process driven by an affine drift term …. We implement the methodology for the Heston and the mean-reverting CEV stochastic volatility models. A calibration …
Persistent link: https://www.econbiz.de/10012932715
derivatives in a stochastic volatility model with jumps. This is motivated by the recent developments of the VIX derivatives … exposure to the volatility risk as compared to equity derivatives. Based on the closed-form formula. we determine explicitly … the portfolio improvement brought by the inclusion of the VIX derivative, and establish that it is positive theoretically …
Persistent link: https://www.econbiz.de/10012830262