Series Title
Series Contents
Title
Date-line
Preface
Contents
Introduction
Summary of Volume I
Summary of Volume II
1 General Probability Theory
1.1 Infinite Probability Spaces
1.2 Random Variables and Distributions
1.3 Expectations
1.4 Convergence of Integrals
1.5 Computation of Expectations
1.6 Change of Measure
1.7 Summary
1.8 Notes
1.9 Exercises
2 Information and Conditioning
2.1 Information and ?-algebras
2.2 Independence
2.3 General Conditional Expectations
2.4 Summary
2.5 Notes
2.6 Exercises
3 Brownian Motion
3.1 Introduction
3.2 Scaled Random Walks
3.2.1 Symmetric Random Walk
3.2.2 Increments of the Symmetric Random Walk
3.2.3 Martingale Property for the Symmetric Random Walk
3.2.4 Quadratic Variation of the Symmetric Random Walk
3.2.5 Scaled Symmetric Random Walk
3.2.6 Limiting Distribution of the Scaled Random Walk
3.2.7 Log-Normal Distribution as the Limit of the Binomial Model
3.3 Brownian Motion
3.3.1 Definition of Brownian Motion
3.3.2 Distribution of Brownian Motion
3.3.3 Filtration for Brownian Motion
3.3.4 Martingale Property for Brownian Motion
3.4 Quadratic Variation
3.4.1 First-Order Variation
3.4.2 Quadratic Variation
3.4.3 Volatility of Geometric Brownian Motion
3.5 Markov Property
3.6 First Passage Time Distribution
3.7 Reflection Principle
3.7.1 Reflection Equality
3.7.2 First Passage Time Distribution
3.7.3 Distribution of Brownian Motion and Its Maximum
3.8 Summary
3.9 Notes
3.10 Exercises
4 Stochastic Calculus
4.1 Introduction
4.2 Ito's Integral for Simple Integrands
4.2.1 Construction of the Integral
4.2.2 Properties of the Integral
4.3 Ito's Integral for General Integrands
4.4 Ito-Doeblin Formula
4.4.1 Formula for Brownian Motion
4.4.2 Formula for Ito Processes
4.4.3 Examples
4.5 Black-Scholes-Merton Equation
4.5.1 Evolution of Portfolio Value
4.5.2 Evolution of Option Value
4.5.3 Equating the Evolutions
4.5.4 Solution to the Black-Scholes-Merton Equation
4.5.5 The Greeks
4.5.6 Put-Call Parity
4.6 Multivariable Stochastic Calculus
4.6.1 Multiple Brownian Motions
4.6.2 Ito-Doeblin Formula for Multiple Processes
4.6.3 Recognizing a Brownian Motion
4.7 Brownian Bridge
4.7.1 Gaussian Processes
4.7.2 Brownian Bridge as a Gaussian Process
4.7.3 Brownian Bridge as a Scaled Stochastic Integral
4.7.4 Multidimensional Distribution of the Brownian Bridge
4.7.5 Brownian Bridge as a Conditioned Brownian Motion
4.8 Summary
4.9 Notes
4.10 Exercises
5 Risk-Neutral Pricing
5.1 Introduction
5.2 Risk-Neutral Measure
5.2.1 Girsanov's Theorem for a Single Brownian Motion
5.2.2 Stock Under the Risk-Neutral Measure
5.2.3 Value of Portfolio Process Under the Risk-Neutral Measure
5.2.4 Pricing Under the Risk-Neutral Measure
5.2.5 Deriving the Black-Scholes-Merton Formula
5.3 Martingale Representation Theorem
5.3.1 Martingale Representation with One Brownian Motion
5.3.2 Hedging with One Stock
5.4 Fundamental Theorems of Asset Pricing
5.4.1 Girsanov and Martingale Representation Theorems
5.4.2 Multidimensional Market Model
5.4.3 Existence of the Risk-Neutral Measure
5.4.4 Uniqueness of the Risk-Neutral Measure
5.5 Dividend-Paying Stocks
5.5.1 Continuously Paying Dividend
5.5.2 Continuously Paying Dividend with Constant Coefficients
5.5.3 Lump Payments of Dividends
5.5.4 Lump Payments of Dividends with Constant Coefficients
5.6 Forwards and Futures
5.6.1 Forward Contracts
5.6.2 Futures Contracts
5.6.3 Forward-Futures Spread
5.7 Summary
5.8 Notes
5.9 Exercises
6 Connections with Partial Differential Equations
6.1 Introduction
6.2 Stochastic Differential Equations
6.3 The Markov Property
6.4 Partial Differential Equations
6.5 Interest Rate Models
6.6 Multidimensional Feynman-Kac Theorems
6.7 Summary
6.8 Notes
6.9 Exercises
7 Exotic Options
7.1 Introduction
7.2 Maximum of Brownian Motion with Drift
7.3 Knock-out Barrier Options
7.3.1 Up-and-Out Call
7.3.2 Black-Scholes-Merton Equation
7.3.3 Computation of the Price of the Up-and-Out Call
7.4 Lookback Options
7.4.1 Floating Strike Lookback Option
7.4.2 Black-Scholes-Merton Equation
7.4.3 Reduction of Dimension
7.4.4 Computation of the Price of the Lookback Option
7.5 Asian Options
7.5.1 Fixed-Strike Asian Call
7.5.2 Augmentation of the State
7.5.3 Change of Numeraire
7.6 Summary
7.7 Notes
7.8 Exercises
8 American Derivative Securities
8.1 Introduction
8.2 Stopping Times
8.3 Perpetual American Put
8.3.1 Price Under Arbitrary Exercise
8.3.2 Price Under Optimal Exercise
8.3.3 Analytical Characterization of the Put Price
8.3.4 Probabilistic Characterization of the Put Price
8.4 Finite-Expiration American Put
8.4.1 Analytical Characterization of the Put Price
8.4.2 Probabilistic Characterization of the Put Price
8.5 American Call
8.5.1 Underlying Asset Pays No Dividends
8.5.2 Underlying Asset Pays Dividends
8.6 Summary
8.7 Notes
8.8 Exercises
9 Change of Numeraire
9.1 Introduction
9.2 Numeraire
9.3 Foreign and Domestic Risk-Neutral Measures
9.3.1 The Basic Processes
9.3.2 Domestic Risk-Neutral Measure
9.3.3 Foreign Risk-Neutral Measure
9.3.4 Siegel's Exchange Rate Paradox
9.3.5 Forward Exchange Rates
9.3.6 Garman-Kohlhagen Formula
9.3.7 Exchange Rate Put-Call Duality
9.4 Forward Measures
9.4.1 Forward Price
9.4.2 Zero-Coupon Bond as Numeraire
9.4.3 Option Pricing with a Random Interest Rate
9.5 Summary
9.6 Notes
9.7 Exercises
10 Term-Structure Models
10.1 Introduction
10.2 Affine-Yield Models
10.2.1 Two-Factor Vasicek Model
10.2.2 Two-Factor CIR Model
10.2.3 Mixed Model
10.3 Heath-Jarrow-Morton Model
10.3.1 Forward Rates
10.3.2 Dynamics of Forward Rates and Bond Prices
10.3.3 No-Arbitrage Condition
10.3.4 HJM Under Risk-Neutral Measure
10.3.5 Relation to Affine-Yield Models
10.3.6 Implementation of HJM
10.4 Forward LIBOR Model
10.4.1 The Problem with Forward Rates
10.4.2 LIBOR and Forward LIBOR
10.4.3 Pricing a Backset LIBOR Contract
10.4.4 Black Caplet Formula
10.4.5 Forward LIBOR and Zero-Coupon Bond Volatilities
10.4.6 A Forward LIBOR Term-Structure Model
10.5 Summary
10.6 Notes
10.7 Exercises
11 Introduction to Jump Processes
11.1 Introduction
11.2 Poisson Process
11.2.1 Exponential Random Variables
11.2.2 Construction of a Poisson Process
11.2.3 Distribution of Poisson Process Increments
11.2.4 Mean and Variance of Poisson Increments
11.2.5 Martingale Property
11.3 Compound Poisson Process
11.3.1 Construction of a Compound Poisson Process
11.3.2 Moment-Generating Function
11.4 Jump Processes and Their Integrals
11.4.1 Jump Processes
11.4.2 Quadratic Variation
11.5 Stochastic Calculus for Jump Processes
11.5.1 Ito-Doeblin Formula for One Jump Process
11.5.2 Ito-Doeblin Formula for Multiple Jump Processes
11.6 Change of Measure
11.6.1 Change of Measure for a Poisson Process
11.6.2 Change of Measure for a Compound Poisson Process
11.6.3 Change of Measure for a Compound Poisson Process and a Brownian Motion
11.7 Pricing a European Call in a Jump Model
11.7.1 Asset Driven by a Poisson Process
11.7.2 Asset Driven by a Brownian Motion and a Compound Poisson Process
11.8 Summary
11.9 Notes
11.10 Exercises
A Advanced Topics in Probability Theory
A.1 Countable Additivity
A.2 Generating $\sigma$-algebras
A.3 Random Variable with Neither Density nor Probability Mass Function
B Existence of Conditional Expectations
C Completion of the Proof of the Second Fundamental Theorem of Asset Pricing
References
Index