Use this URL to cite or link to this record in EThOS: https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.739667
Title: Machine learning and option implied information
Author: Zheng, Yu
ISNI:       0000 0004 7229 1767
Awarding Body: Imperial College London
Current Institution: Imperial College London
Date of Award: 2018
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Abstract:
The thesis consists of three chapters which focus on two broad topics, applying machine learning in finance (Chapters 1 and 2) and extracting implied information from options (Chapter 3). In Chapter 1, I combine the data-driven approach from the machine learning community and economic theory from the finance community to design a deep neural network to estimate the implied volatility surface. Chapter 2 is a second example of applying machine learning in finance. Yang et al. [2017] proposes a gated neural network for pricing European call options. Yang et al. [2017] is rewritten in this chapter using the general framework introduced in Chapter 1. In Chapter 3, I provide a solution to the following question. Is there any flexible implementation framework to derive the conditional risk neutral density of any arbitrary period of return and calculate corresponding statistics, namely, implied variance, implied skewness and implied kurtosis from option prices? I solve this problem by proposing a framework combining implied volatility surface and Automatic Differentiation [Rall, 1981, Neidinger, 2010, Griewank and Walther, 2008, Baydin et al., 2015].
Supervisor: Michaelides, Alexander Sponsor: Not available
Qualification Name: Thesis (Ph.D.) Qualification Level: Doctoral
EThOS ID: uk.bl.ethos.739667  DOI:
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