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Implied volatilities and Transaction Costs

Author

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  • Swidler, Steve
  • Diltz, J. David

Abstract

Using data that contain bid and ask quotes for both options and stocks, the analysis investigates the constant volatility assumption of the Black-Scholes model. The analysis adjusts for bid-ask spreads and finds evidence that is inconsistent with the constant volatility assumption. Instead, the results reveal a strong negative correlation between volatility and stock price, and they suggest that using a nonconstant volatility model such as the CEV model would be more appropriate to price long-term options. Finally, transaction costs associated with the dynamic hedge tend to increase with an option's maturity, but decrease as a percentage of the option's price.

Suggested Citation

  • Swidler, Steve & Diltz, J. David, 1992. "Implied volatilities and Transaction Costs," Journal of Financial and Quantitative Analysis, Cambridge University Press, vol. 27(3), pages 437-447, September.
    • Handle: RePEc:cup:jfinqa:v:27:y:1992:i:03:p:437-447_00
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    Cited by:

    1. Martin ZIEGELBAECK & Guenther BREUER, 2014. "The role of market makers in the Euronext milling wheat contract," Agricultural Economics, Czech Academy of Agricultural Sciences, vol. 60(4), pages 183-187.
    2. Axel A. Araneda, 2019. "The fractional and mixed-fractional CEV model," Papers 1903.05747, arXiv.org, revised Jun 2019.
    3. Goyal, Amit & Saretto, Alessio, 2009. "Cross-section of option returns and volatility," Journal of Financial Economics, Elsevier, vol. 94(2), pages 310-326, November.
    4. Lim, Terence & Lo, Andrew W. & Merton, Robert C. & Scholes, Myron S., 2006. "The Derivatives Sourcebook," Foundations and Trends(R) in Finance, now publishers, vol. 1(5–6), pages 365-572, April.
    5. Ballestra, Luca Vincenzo & Cecere, Liliana, 2016. "A numerical method to estimate the parameters of the CEV model implied by American option prices: Evidence from NYSE," Chaos, Solitons & Fractals, Elsevier, vol. 88(C), pages 100-106.

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