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Author: Bent Jesper Christensen
Publisher:
ISBN:
Category :
Languages : en
Pages : 52
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Book Description
A new research design is introduced for the empirical analysis of the relationship between implied volatility and ex-post realized volatility. The dynamics of volatility are emphasized, and the analysis is cast in terms of non-overlapping data, so that exactly one implied and one realized volatility estimate pertain to each period under consideration. The conclusions from the empirical analysis when using our design are significantly different from those previously reached. Recent literature indicates that implied volatility contains little information about future volatility, beyond that contained in the history of realized volatility. We show that on the contrary, implied volatility efficiently predicts future realized volatility and in particular subsumes the information content of past realized volatility.
Author: Bent Jesper Christensen
Publisher:
ISBN:
Category :
Languages : en
Pages : 52
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Book Description
A new research design is introduced for the empirical analysis of the relationship between implied volatility and ex-post realized volatility. The dynamics of volatility are emphasized, and the analysis is cast in terms of non-overlapping data, so that exactly one implied and one realized volatility estimate pertain to each period under consideration. The conclusions from the empirical analysis when using our design are significantly different from those previously reached. Recent literature indicates that implied volatility contains little information about future volatility, beyond that contained in the history of realized volatility. We show that on the contrary, implied volatility efficiently predicts future realized volatility and in particular subsumes the information content of past realized volatility.
Author: Arnold W. Sametz
Publisher:
ISBN:
Category : Computer networks
Languages : en
Pages : 28
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Book Description
Author: Jim Gatheral
Publisher: John Wiley & Sons
ISBN: 1118046455
Category : Business & Economics
Languages : en
Pages : 204
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Book Description
Praise for The Volatility Surface "I'm thrilled by the appearance of Jim Gatheral's new book The Volatility Surface. The literature on stochastic volatility is vast, but difficult to penetrate and use. Gatheral's book, by contrast, is accessible and practical. It successfully charts a middle ground between specific examples and general models--achieving remarkable clarity without giving up sophistication, depth, or breadth." --Robert V. Kohn, Professor of Mathematics and Chair, Mathematical Finance Committee, Courant Institute of Mathematical Sciences, New York University "Concise yet comprehensive, equally attentive to both theory and phenomena, this book provides an unsurpassed account of the peculiarities of the implied volatility surface, its consequences for pricing and hedging, and the theories that struggle to explain it." --Emanuel Derman, author of My Life as a Quant "Jim Gatheral is the wiliest practitioner in the business. This very fine book is an outgrowth of the lecture notes prepared for one of the most popular classes at NYU's esteemed Courant Institute. The topics covered are at the forefront of research in mathematical finance and the author's treatment of them is simply the best available in this form." --Peter Carr, PhD, head of Quantitative Financial Research, Bloomberg LP Director of the Masters Program in Mathematical Finance, New York University "Jim Gatheral is an acknowledged master of advanced modeling for derivatives. In The Volatility Surface he reveals the secrets of dealing with the most important but most elusive of financial quantities, volatility." --Paul Wilmott, author and mathematician "As a teacher in the field of mathematical finance, I welcome Jim Gatheral's book as a significant development. Written by a Wall Street practitioner with extensive market and teaching experience, The Volatility Surface gives students access to a level of knowledge on derivatives which was not previously available. I strongly recommend it." --Marco Avellaneda, Director, Division of Mathematical Finance Courant Institute, New York University "Jim Gatheral could not have written a better book." --Bruno Dupire, winner of the 2006 Wilmott Cutting Edge Research Award Quantitative Research, Bloomberg LP
Author: Linda Canina
Publisher:
ISBN:
Category : Stock price forecasting
Languages : en
Pages : 47
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Book Description
Author: Pierre Giot
Publisher:
ISBN:
Category :
Languages : en
Pages : 54
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Book Description
Author: Alejandro Bernales
Publisher:
ISBN:
Category :
Languages : en
Pages : 40
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Book Description
We examine whether the dynamics of the implied volatility surface of individual equity options contains exploitable predictability patterns. Predictability in implied volatilities is expected due to the learning behavior of agents in option markets. In particular, we explore the possibility that the dynamics of the implied volatility surface of individual equity options may be associated with movements in the volatility surface of S&P 500 index options. We present evidence of strong predictable features in the cross-section of equity options and of dynamic linkages between the implied volatility surfaces of equity options and S&P 500 index options. Moreover, time-variations in stock option volatility surfaces are best predicted by incorporating information from the dynamics in the implied volatility surface of S&P 500 index options. We analyze the economic value of such dynamic patterns using strategies that trade straddle and delta-hedged portfolios, and we find that before transaction costs such strategies produce abnormal risk-adjusted returns.
Author: e J. Jiang
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
Britten-Jones and Neuberger (2000) derived a model-free implied volatility under the diffusion assumption. In this article, we extend their model-free implied volatility to asset price processes with jumps and develop a simple method for implementing it using observed option prices. In addition, we perform a direct test of the informational efficiency of the option market using the model-free implied volatility. Our results from the Standard amp; Poor`s 500 index (SPX) options suggest that the model-free implied volatility subsumes all information contained in the Black-Scholes (B-S) implied volatility and past realized volatility and is a more efficient forecast for future realized volatility.
Author: George J. Jiang
Publisher:
ISBN:
Category :
Languages : en
Pages : 38
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Book Description
Britten-Jones and Neuberger (2000) derived a model-free implied volatility under the diffusion assumption. In this article, we extend their model-free implied volatility to asset price processes with jumps and develop a simple method for implementing it using observed option prices. In addition, we perform a direct test of the informational efficiency of the option market using the model-free implied volatility. Our results from the Standard & Poor's 500 index (SPX) options suggest that the model-free implied volatility subsumes all information contained in the Black-Scholes (B-S) implied volatility and past realized volatility and is a more efficient forecast for future realized volatility.
Author: Ricardo Baeza-Yates
Publisher: Springer Science & Business Media
ISBN: 0387233946
Category : Mathematics
Languages : en
Pages : 497
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Book Description
Applied probability is a broad research area that is of interest to scientists in diverse disciplines in science and technology, including: anthropology, biology, communication theory, economics, epidemiology, finance, geography, linguistics, medicine, meteorology, operations research, psychology, quality control, sociology, and statistics. Recent Advances in Applied Probability is a collection of survey articles that bring together the work of leading researchers in applied probability to present current research advances in this important area. This volume will be of interest to graduate students and researchers whose research is closely connected to probability modelling and their applications. It is suitable for one semester graduate level research seminar in applied probability.
Author: Charalambos Vovos
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
