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Preface xi
Acknowledgments xiii
The Models 1
Introduction to the Techniques of Derivative Modeling 3
Introduction 3
Models 3
What Is a Derivative? 3
What Is a Model? 5
Two Initial Methods for Modeling Derivatives 6
Price Processes 7
The Archetypal Security Process: Normal Returns 8
Book Outline 10
Preliminary Mathematical Tools 11
Probability Distributions 11
n-Dimensional Jacobians and n-Form Algebra 14
Functional Analysis and Fourier Transforms 16
Normal (Central) Limit Theorem 18
Random Walks 20
Correlation 22
Functions of Two/More Variables: Path Integrals 24
Differential Forms 26
Stochastic Calculus 27
Wiener Process 27
Ito's Lemma 30
Variable Changes to Get the Martingale 33
Other Processes: Multivariable Correlations 35
Applications of Stochastic Calculus to Finance 37
Risk Premium Derivation 37
Analytic Formula for the Expected Payoff of a European Option 39
From Stochastic Processes Formalism to Differential Equation Formalism 43
Backward and Forward Kolmogorov Equations 43
Derivation of Black-Scholes Equation, Risk-Neutral Pricing 46
Risks and Trading Strategies 48
Understanding the Black-Scholes Equation 51
Black-Scholes Equation: A Type of Backward Kolmogorov Equation 51
Forward Price 53
Black-Scholes Equation: Risk-Neutral Pricing 53
Black-Scholes Equation: Relation to Risk Premium Definition 54
Black-Scholes Equation Applies to Currency Options: Hidden Symmetry 1 55
Black-Scholes Equation in Martingale Variables: Hidden Symmetry 2 57
Black-Scholes Equation with Stock as a "Derivative" of Option Price: Hidden Symmetry 3 59
Interest Rate Hedging 62
Euler's Relation 62
Interest Rate Dependence 63
Term-Structured Rates Hedging: Duration Bucketing 65
Algorithm for Deciding Which Hedging Instruments to Use 67
Interest Rate Derivatives: HJM Models 68
Hull-White Model Derivation 68
Process and Pricing Equation 68
Analytic Zero-Coupon Bond Valuation 73
Analytic Bond Call Option 74
Calibration 75
Arbitrage-Free Pricing for Interest Rate Derivatives: HJM 76
Differential Equations, Boundary Conditions, and Solutions 79
Boundary Conditions and Unique Solutions to Differential Equations 79
Solving the Black-Scholes or Heat Equation Analytically 81
Green's Functions 81
Separation of Variables 83
Solving the Black-Scholes Equation Numerically 84
Finite Difference Methods: Explicit/Implicit Methods, Variable Choice 84
Gaussian Kurtosis (and Skew = 0), Faster Convergence 90
Call/Put Options: Grid Point Shift Factor for Higher Accuracy 94
Dividends on the Underlying Equity 96
American Exercise 97
2-D Models, Correlation and Variable Changes 100
Credit Spreads 104
Credit Default Swaps (CDS) and the Continuous CDS Curve 104
Valuing Bonds Using the Continuous CDS Curve 108
Equations of Motion for Bonds and Credit Default Swaps 109
Specific Models 112
Stochastic Rates and Default 112
Convertible Bonds 114
Index Options versus Single Name Options: Trading Equity Correlation 119
Max of n Stocks: Trading Equity Correlation 122
Collateralized Debt Obligations (CDOs): Trading Credit Correlation 124
CDO Backed by Three Bonds 126
CDO Backed by an Arbitrary Number of Bonds 133
Exercises and Solutions 137
Exercises 139
Solutions 145
Central Limit Theorem-Plausibility Argument 163
Solving for the Green's Function of the Black-Scholes Equation 167
Expanding the von Neumann Stability Mode for the Discretized Black-Scholes Equation 169
Multiple Bond Survival Probabilities Given Correlated Default Probability Rates 172
References 178
Index 179
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Add Mathematics of Derivatives: Tools for Designing Numerical Algorithms, Praise for The Mathematics of Derivatives The Mathematics of Derivatives provides a concise pedagogical discussion of both fundamental and very recent developments in mathematical finance, and is particularly well suited for readers with a science or , Mathematics of Derivatives: Tools for Designing Numerical Algorithms to the inventory that you are selling on WonderClubX
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Add Mathematics of Derivatives: Tools for Designing Numerical Algorithms, Praise for The Mathematics of Derivatives The Mathematics of Derivatives provides a concise pedagogical discussion of both fundamental and very recent developments in mathematical finance, and is particularly well suited for readers with a science or , Mathematics of Derivatives: Tools for Designing Numerical Algorithms to your collection on WonderClub |