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  • Derivative Pricing in Discrete Time (1st Edition)

Derivative Pricing in Discrete Time (1st Edition)

1st Edition
Book Info
Year: 2013
Pages: 325
Language: English
Series: English
DOI: 10.1007/978-1-4471-4408-3
ISBN: 9781447144076,9781447144083

Derivatives are financial entities whose value is derived from the value of other more concrete assets such as stocks and commodities. They are an important ingredient of modern financial markets. This book provides an introduction to the mathematical modelling of real world financial markets and the rational pricing of derivatives, which is part of the theory that not only underpins modern financial practice but is a thriving area of mathematical research. The central theme is the question of how to find a fair price for a derivative; defined to be a price at which it is not possible for any trader to make a risk free profit by trading in the derivative. To keep the mathematics as simple as possible, while explaining the basic principles, only discrete time models with a finite number of possible future scenarios are considered. The theory examines the simplest possible financial model having only one time step, where many of the fundamental ideas occur, and are easily understood. Proceeding slowly, the theory progresses to more realistic models with several stocks and multiple time steps, and includes a comprehensive treatment of incomplete models. The emphasis throughout is on clarity combined with full rigour. The later chapters deal with more advanced topics, including how the discrete time theory is related to the famous continuous time Black-Scholes theory, and a uniquely thorough treatment of American options. The book assumes no prior knowledge of financial markets, and the mathematical prerequisites are limited to elementary linear algebra and probability. This makes it accessible to undergraduates in mathematics as well as students of other disciplines with a mathematical component. It includes numerous worked examples and exercises, making it suitable for self-study.

Front Matter....Pages I-XV
Derivative Pricing and Hedging....Pages 1-9
A Simple Market Model....Pages 11-33
Single-Period Models....Pages 35-87
Multi-Period Models: No-arbitrage Pricing....Pages 89-131
Multi-Period Models: Risk-Neutral Pricing....Pages 133-175
The Cox-Ross-Rubinstein Model....Pages 177-209
American Options....Pages 211-267
Advanced Topics....Pages 269-293
Back Matter....Pages 295-325