Rama Cont is Associate Professor at Columbia University and Director of the Columbia Center for Financial Engineering. He is also a founding partner of Finance Concepts, a firm offering training and consulting services in quantitative finance and risk management.
Preface | p. ix |
About the Editor | p. xiii |
About the Contributors | p. xv |
Option Pricing and Volatility Modeling | |
A Moment Approach to Static Arbitrage | p. 3 |
Introduction | p. 3 |
No-Arbitrage Conditions | p. 7 |
Example | p. 15 |
Conclusion | p. 16 |
On Black-Scholes Implied Volatility at Extreme Strikes | p. 19 |
Introduction | p. 19 |
The Moment Formula | p. 20 |
Regular Variation and the Tail-Wing Formula | p. 24 |
Related Results | p. 27 |
Applications | p. 33 |
CEV and SABR | p. 35 |
Dynamic Properties of Smile Models | p. 47 |
Introduction | p. 48 |
Some Standard Smile Models | p. 50 |
A New Class of Models for Smile Dynamics | p. 65 |
Pricing Examples | p. 81 |
Conclusion | p. 87 |
A Geometric Approach to the Asymptotics of Implied Volatility | p. 89 |
Volatility Asymptotics in Stochastic Volatility Models | p. 91 |
Heat Kernel Expansion | p. 92 |
Geometry of Complex Curves and Asymptotic Volatility | p. 100 |
[lambda]-SABR Model and Hyperbolic Geometry | p. 106 |
SABR Model with [beta] = 0, 1 | p. 117 |
Conclusions and Future Work | p. 122 |
Appendix A: Notions in Differential Geometry | p. 122 |
Appendix B: Laplace Integrals in Many Dimensions | p. 125 |
Pricing, Hedging, and Calibration in Jump-Diffusion Models | p. 129 |
Overview of Jump-Diffusion Models | p. 131 |
Pricing European Options via Fourier Transform | p. 137 |
Integro-differential Equations for Barrier and American Options | p. 140 |
Hedging Jump Risk | p. 147 |
Model Calibration | p. 153 |
Credit Risk | |
Modeling Credit Risk | p. 163 |
What Is the Problem? | p. 163 |
Hazard Rate Models | p. 166 |
Structural Models | p. 175 |
Some Nice Ideas | p. 179 |
Conclusion | p. 181 |
An Overview of Factor Modeling for CDO Pricing | p. 185 |
Pricing of Portfolio Credit Derivatives | p. 185 |
Factor Models for the Pricing of CDO Tranches | p. 189 |
A Review of Factor Approaches to the Pricing of CDOs | p. 198 |
Conclusion | p. 212 |
Factor Distributions Implied by Quoted CDO Spreads | p. 217 |
Introduction | p. 217 |
Modeling | p. 220 |
Examples | p. 224 |
Conclusion | p. 231 |
Appendix: Some Useful Results on Hermite Polynomials under Linear Coordinate Transforms | p. 232 |
Pricing CDOs with a Smile: The Local Correlation Model | p. 235 |
The Local Correlation Model | p. 236 |
Simplification under the Large Pool Assumption | p. 240 |
Building the Local Correlation Function without the Large Pool Assumption | p. 243 |
Pricing and Hedging with Local Correlation | p. 247 |
Portfolio Credit Risk: Top-Down versus Bottom-Up Approaches | p. 251 |
Introduction | p. 251 |
Portfolio Credit Models | p. 251 |
Information and Specification | p. 253 |
Default Distribution | p. 259 |
Calibration | p. 264 |
Conclusion | p. 265 |
Forward Equations for Portfolio Credit Derivatives | p. 269 |
Portfolio Credit Derivatives | p. 270 |
Top-Down Models for CDO Pricing | p. 273 |
Effective Default Intensity | p. 275 |
A Forward Equation for CDO Pricing | p. 278 |
Recovering Forward Default Intensities from Tranche Spreads | p. 282 |
Conclusion | p. 288 |
Index | p. 295 |
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