CONTENTS
PREFACE = xvii
1 INTRODUCTION = 1
1.1 Forward Contracts = 2
1.2 Futures Contracts = 3
1.3 Options = 5
1.4 Other Derivative Securities = 9
1.5 Types of Traders = 12
1.6 Summary = 14
Questions and Problems = 15
2 FUTURES MARKETS AND THE USE OF FUTURES FOR HEDGING = 18
2.1 Trading Futures Contracts = 18
2.2 The Specification of the Futures Contract = 19
2.3 The Operation of Margins = 22
2.4 Newspaper Quotes = 27
2.5 Convergence of Futures Price to Spot Price = 32
2.6 Cash Settlement = 33
2.7 Hedging Using Futures = 33
2.8 Optimal Hedge Ratio = 37
2.9 Rolling the Hedge Forward = 39
2.10 Summary = 40
Suggestions for Further Reading = 42
Questions and Problems = 42
3 FORWARD AND FUTURES PRICES = 45
3.1 Some Preliminaries = 46
3.2 Forward Contracts on a Security that Provides No Income = 51
3.3 Forward Contracts on a Security that Provides a Known Cash Income = 53
3.4 Forward Contracts on a Security that Provides a Known Dividend Yield = 54
3.5 A General Result = 55
3.6 Forward Prices versus Futures Prices = 56
3.7 Stock Index Futures = 57
3.8 Forward and Futures Contracts on Currencies = 63
3.9 Futures on Commodities = 65
3.10 The Cost of Carry = 69
3.11 Delivery Options = 69
3.12 Futures Prices and the Expected Future Spot Price = 70
3.13 Summary = 72
Suggestions for Further Reading = 74
Questions and Problems = 75
Appendix 3A: A Proof that Forward and Futures Prices Are Equal When Interest Rates Are Constant = 78
4 INTEREST RATE FUTURES = 80
4.1 Some Preliminaries = 81
4.2 Treasury Bond and Treasury Note Futures = 88
4.3 Treasury Bill Futures = 94
4.4 Eurodollar Futures = 98
4.5 Duration = 99
4.6 Duration-Based Hedging Strategies = 101
4.7 Limitations of Duration = 103
4.8 Summary = 105
Suggestions for Further Reading = 106
Questions and Problems = 106
5 SWAPS = 111
5.1 Mechanics of Interest Rate Swaps = 111
5.2 Valuation of Interest Rate Swaps = 118
5.3 Currency Swaps = 123
5.4 Valuation of Currency Swaps = 126
5.5 Other Swaps = 128
5.6 Credit Risk = 129
5.7 Summary = 131
Suggestions for Further Reading = 132
Questions and Problems = 132
6 OPTIONS MARKETS = 136
6.1 Exchange-Traded Options = 136
6.2 Over-the-Counter Options = 138
6.3 Specification of Stock Options = 138
6.4 Newspaper Quotes = 142
6.5 Trading = 144
6.6 Margins = 145
6.7 The Options Clearing Corporation = 147
6.8 Warrants and Convertibles = 148
6.9 Summary = 149
Suggestions for Further Reading = 149
Questions and Problems = 150
7 PROPERTIES OF STOCK OPTION PRICES = 151
7.1 Factors Affecting Option Prices = 151
7.2 Assumptions and Notation = 153
7.3 Upper and Lower Bounds for Option Prices = 154
7.4 Early Exercise: Calls on a Non-Dividend-Paying Stock = 158
7.5 Early Exercise: Puts on a Non-Dividend-Paying Stock = 160
7.6 Put-Call Parity = 163
7.7 Effect of Dividends = 166
7.8 Empirical Research = 167
7.9 Summary = 169
Suggestions for Further Reading = 170
Questions and Problems = 170
8 TRADING STRATEGIES INVOLVING OPTIONS = 173
8.t Strategies Involving a Single Option and a Stock = 173
8.2 Spreads = 175
8.3 Combinations = 183
8.4 Other Payoffs = 184
8.5 Summary = 187
Suggestions for Further Reading = 188
Questions and Problems = 188
9 A MODEL OF THE BEHAVIOR OF STOCK PRlCES = 190
9.1 The Markov Property = 191
9.2 Wiener Processes = 192
9.3 The Process for Stock Prices = 196
9.4 A Review of the Model = 198
9.5 The Parameters = 200
9.6 A Binomial Model = 201
9.7 Summary = 204
Suggestions for Further Reading = 204
Questions and Problems = 205
10 THE BLACK-SCHOLES ANALYSIS = 207
10.1 Ito's Lemma = 208
10.2 The Lognomal Property of Stock Prices = 210
10.3 The Distribution of the Rate of Return = 212
10.4 Estimating Volatility from Historical Data = 214
10.5 Option Valuation Using a Simple Binomial Model = 217
10.6 Concepts Underlying the Black-Scholes Differential Equation = 218
10.7 Derivation of the Black-Scholes Differential Equation = 219
10.8 Risk-Neutral Valuation = 218
10.9 The Black-Scholes Pricing Formulas = 224
10.10 The Cumulative Normal Distribution Function = 226
10.11 Warrants Issued by a Company on Its Own Stock = 228
10.12 Implied Volatilities = 229
10.13 The Causes of Volatility = 230
10.14 Dividends = 232
10.15 Summary = 237
Suggestions for Further Reading = 238
Questions and Problems = 239
Appendix 10A: Derivation of Ito's Lemma = 243
Appendix 10B: An Exact Procedure for Calculating the Values of American Calls on Dividend-Paying Stocks = 244
11 OPTIONS ON STOCK INDICES, CURRENCIES, AND FUTURES CONTRACTS = 247
11.1 Options on Stocks Paying Known Dividend Yields = 247
11.2 Options on Stock Indices = 249
11.3 Currency Options = 255
11.4 Futures Options = 258
11.5 Summary = 265
Suggestions for Further Reading = 267
Questions and Problems = 267
Appendix 11A: Derivation of Differential Equation Satisfied by a Derivative Security Dependent on a Stock Paying a Continuous Dividend Yield = 270
Appendix 11B: Derivation of Differential Equation Satisfied by a Derivative Security Dependent on a Futures Price = 271
12 A GENERAL APPROACH TO PRICING DERIVATIVE SECURITIES = 274
12.1 A Single Underlying Variable = 274
12.2 Interest-Rate Risk = 278
12.3 Securities Dependent on Several State Variables = 279
12.4 Derivative Securities Dependent on Commodity Prices = 282
12.5 Cross-Currency Futures and Options = 284
12.6 Summary = 287
Suggestions for Further Reading = 288
Questions and Problems = 288
Appendix 12A: A Generalization of Ito's Lemma = 290
Appendix 12B: Derivation of the General Differential Equation Satisfied by Derivative Securities = 291
13 HEDGING POSITIONS IN OPTIONS AND OTHER DERIVATIVE SECURITIES = 295
13.1 An Example = 295
13.2 Naked and Covered Positions = 295
13.3 A Stop-Loss Strategy = 296
13.4 More Sophisticated Hedging Schemes = 298
13.5 Delta Hedging = 298
13.6 Theta = 307
13.7 Gamma = 310
13.8 The Relationship between Delta, Theta, and Gamma = 314
13.9 Vega = 315
13.10 Rho = 317
13.11 Hedging Option Portfolios in Practice = 318
13.12 Portfolio Insurance = 318
13.13 Summary = 323
Suggestions for Further Reading = 324
Questions and Problems = 325
Appendix 13A: Taylor Series Expansions and Hedge Parameters = 327
14 NUMERICAL PROCEDURES = 329
14.1 Monte Carlo Simulation = 329
14.2 Binomial Trees = 335
14.3 Using the Binomial Tree for Options on Indices, Currencies, and Futures Contracts = 343
14.4 The Binomial Model for a Dividend-Paying Stock = 345
14.5 Extensions to the Basic Tree Approach = 348
14.6 Avoiding Negative Probabilities = 351
14.7 Finite Difference Methods = 352
14.8 Analytic Approximations in Option Pricing = 362
14.9 Summary = 362
Suggestions for Further Reading = 363
Questions and Problems = 364
Appendix 14A: The Analytic Approximation to American Option Prices of MacMilllan, and Barone-Adesi and Whaley = 367
15 INTEREST RATE DERIVATIVE SECURITIES = 370
15.1 Exchange-Traded Bond Options = 370
15.2 Embedded Bond Options = 371
15.3 Mortgage-backed Securities = 372
15.4 Swaptions = 372
15.5 Interest Rate Caps = 373
15.6 Simple Approaches to Valuing Bond Options = 378
15.7 Limitations of Simple Models = 383
15.8 Traditional Approach Used by Researchers to Model the Term Structure = 383
15.9 The Rendleman and Bartter Model = 385
15.10 Mean Reversion = 388
15.11 The Vasicek Model = 390
15.12 The Cox, Ingersoll, and Ross Model = 396
15.13 Two-Factor Models = 397
15.14 No-Arbitrage Models = 398
15.15 The Heath, Jarrow, and Morton Approach = 401
15.16 The Ho and Lee Model = 403
15.17 The Hull and White Model = 404
15.18 Hedging = 408
15.19 Summary = 409
Suggestions for Further Reading = 410
Questions and Problems = 411
16 EXOTIC OPTIONS = 414
16.1 Types of Exotic Options = 415
16.2 Basic Valuation Tools = 425
16.3 American Path-Dependent Options = 426
16.4 Options on Two Correlated Assets = 428
16.5 Hedging Issues = 430
16.6 Summary = 430
Suggestions for Further Reading = 431
Questions and Problems = 432
17 ALTERNATIVES TO BLACK-SCHOLES FOR OPTION PRICING = 434
17.1 Known Changes in the Interest Rate and Volatility = 435
17.2 Merton's Stochastic Interest Rate Model = 435
17.3 Pricing Biases = 436
17.4 Alternative Models = 439
17.5 Overview of Pricing Biases = 444
17.6 Empirical Research = 445
17.7 How the Models Are Used in Practice = 448
17.8 Summary = 448
Suggestions for Further Reading = 449
Questions and Problems = 451
Appendix 17A: Pricing Formulas for Alternative Models = 452
18 CREDIT RISK = 455
18.1 The Nature of the Exposure = 456
18.2 Contracts that Are Unambiguously Assets = 459
18.3 Contracts that Can Be Assets or Liabilities = 461
18.4 The BIS Capital Requirements = 464
18.5 Reducing Default Risk = 466
18.6 Summary = 467
Suggestions for Further Reading = 467
Questions and Problems = 468
19 REVIEW OF KEY CONCEPTS = 469
19.1 Riskless Hedges = 469
19.2 Traded Securities versus Other Underlying Variables = 470
19.3 Risk-Neutral Valuation = 470
19.4 A Final Word = 471
TABLE FOR N(X) WHEN X ≤ 0 = 473
TABLE FOR N(X) WHEN X ≥ 0 = 474
WORLD EXCHANGES = 475
GLOSSARY OF NOTATION = 476
AUTHOR INDEX = 481
SUBJECT INDEX = 484