The performance of alternative valuation models in the OTC currency options market
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2003-02-01
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We compare option valuation models based on regime-switching, GARCH, and jump-diffusion processes to a standard "smile" model, in which Black and Scholes (1973) implied volatilities are allowed to vary across strike prices. The regime-switching, GARCH, and jump-diffusion models provide significant improvement over a fixed smile model in fitting GBP and JPY option prices both in-sample and out-of-sample. The jump-diffusion model achieves the tightest fit. A time-varying smile model, however, provides hedging performance that is comparable to the other models for the GBP options. This result suggests that standard option valuation techniques may provide a reasonable basis for trading and hedging strategies. © 2003 Elsevier Science Ltd. All rights reserved.
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Bollen, NPB, and E Rasiel (2003). The performance of alternative valuation models in the OTC currency options market. Journal of International Money and Finance, 22(1). pp. 33–64. 10.1016/S0261-5606(02)00073-6 Retrieved from https://hdl.handle.net/10161/1967.
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Emma Rasiel
Emma Rasiel is the Teaching Director of the Duke Financial Economics Center, as well as Associate Chair and Professor of Economics at Duke. Emma’s role includes developing and delivering curricular and extra-curricular programs to Duke undergraduates to improve their preparedness for careers in business and finance. Emma’s regularly taught courses include Practical Financial Markets, Intermediate Finance, and Equity Research. She also enjoys teaching Behavioral Finance each summer on her Duke in London study away program and invites anyone to check out her online Behavioral Finance course, offered on the Coursera MOOC teaching platform.
The extra-curricular programs for Duke undergraduates that Emma spearheads include bank-sponsored case study competitions; an alumni-student mentoring program for 80 students each year; and Spring Mock Interview Days, during which more than 100 students have mock interviews with 40+ alumni, in preparation for investment bank recruiting season. Emma is also collaborating with Pratt for their Master's in FinTech which launched in Fall 2020. She was appointed Associate Chair of the Economics department in 2016.
Emma holds bachelor's and master's degrees in mathematics from Oxford University (1986) and an MBA from the Wharton School (class of 1990). She joined Goldman Sachs in 1990 and spent two years in their New York office, subsequently moving to London to spend five years trading European bond options. She was promoted to Executive Director in 1994 and left Goldman in 1997 to pursue further academic studies at Duke. She completed her PhD in finance at the Fuqua School in 2003, moved across campus to the Economics Department, and feels very fortunate that she has been able to remain at Duke ever since.
Emma enjoys horseback riding in the cooler months of the year, water skiing in the warmer ones, and poker all year round.
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