Contents
Preface .......................................................................................................................
Chapter 1: Introduction .................................................................................................. 1
1.1 FuturesContracts .........................................................................................1
1.2 HistoryofFutures Markets...........................................................................2
1.3 The Over-the-Counter Market........................................................................4
1.4 ForwardContracts........................................................................................6
1.5 Options........................................................................................................7
1.6 History of Options Markets......................................................................... 10
1.7 Types ofTrader..........................................................................................11
1.8 Hedgers ..................................................................................................... 11
1.9 Speculators................................................................................................. 14
1.10 Arbitrageurs............................................................................................... 17
1.11 Dangers ..................................................................................................... 18 Summary ................................................................................................... 18 FurtherReading .........................................................................................20 Quiz.......................................................................................................... 20 PracticeQuestions....................................................................................... 20 FurtherQuestions .......................................................................................22
Chapter 2: Futures Markets and Central Counterparties .................................................. 24
2.1 Opening and ClosingFuturesPositions ........................................................ 24
2.2 Speci.cationofaFuturesContract............................................................... 25
2.3ConvergenceofFutures PricetoSpotPrice..................................................28
2.4 The Operation ofMargin Accounts.............................................................. 29
2.5 OTC Markets .............................................................................................32
2.6 MarketQuotes ........................................................................................... 35
2.7 Delivery..................................................................................................... 37
2.8 TypesofTrader andTypesof Order............................................................38
2.9 Regulation..................................................................................................39
2.10 Accounting andTax ................................................................................... 40
2.11 Forward vs.FuturesContracts.....................................................................42 Summary ................................................................................................... 44 FurtherReading .........................................................................................45 Quiz.......................................................................................................... 45 PracticeQuestions....................................................................................... 46 FurtherQuestions .......................................................................................47
Chapter 3: Hedging Strategies Using Futures .................................................................. 49
3.1 Basic Principles...........................................................................................49
3.2 Arguments for and Against Hedging ............................................................52
3.3 Basis Risk ..................................................................................................55
3.4 Cross Hedging............................................................................................59
3.5 Stock IndexFutures....................................................................................63
3.6 Stack andRoll............................................................................................69 Summary....................................................................................................70 Further Reading..........................................................................................72 Quiz...........................................................................................................72 PracticeQuestions .......................................................................................73 FurtherQuestions .......................................................................................74 Appendix:ReviewofKeyConceptsin Statistics and theCAPM ....................76
Chapter 4: Interest Rates .............................................................................................. 81
4.1 Types of Rates............................................................................................81
4.2 SwapRates.................................................................................................83
4.3 The Risk-Free Rate.....................................................................................84
4.4 Measuring Interest Rates .............................................................................85
4.5 ZeroRates..................................................................................................87
4.6 Bond Pricing ..............................................................................................88
4.7 Determining Zero Rates ..............................................................................89
4.8 ForwardRates............................................................................................93
4.9 ForwardRateAgreements...........................................................................95
4.10 Theoriesof theTerm Structureof InterestRates...........................................97 Summary.................................................................................................. 100 Further Reading........................................................................................101 Quiz.........................................................................................................101 PracticeQuestions ..................................................................................... 102 FurtherQuestions .....................................................................................103 Appendix: Exponential and LogarithmicFunctions..................................... 105
Chapter 5: Determination of Forward and Futures Prices ............................................... 107
5.1 Investment Assets vs.Consumption Assets .................................................. 107
5.2 Short Selling ............................................................................................. 108
5.3 Assumptions and Notation........................................................................ 109
5.4 ForwardPrice for an Investment Asset.......................................................110
5.5 Known Income.........................................................................................113
5.6 Known Yield............................................................................................115
5.7 ValuingForwardContracts........................................................................115
5.8 AreForward Prices andFutures Prices Equal? ............................................ 118
5.9 Futures Prices of Stock Indices.................................................................. 118
5.10 Forward andFuturesContracts on Currencies.............................................121
5.11 Futures onCommodities............................................................................124
5.12 TheCost of Carry..................................................................................... 127
5.13 Delivery Options.......................................................................................127
5.14 Futures Prices and Expected Spot Prices.....................................................128 Summary.................................................................................................. 130 Further Reading........................................................................................131
Contents vii
Quiz .........................................................................................................132 PracticeQuestions......................................................................................132 FurtherQuestions ......................................................................................134
Chapter 6: Interest Rate Futures...................................................................................136
6.1 DayCount andQuotationConventions.......................................................136
6.2 Treasury BondFutures...............................................................................139
6.3 EurodollarFutures.....................................................................................143
6.4 Duration...................................................................................................148
6.5 Duration-Based Hedging Strategies UsingFutures........................................152 Summary ..................................................................................................156 FurtherReading ........................................................................................157 Quiz .........................................................................................................157 PracticeQuestions......................................................................................158 FurtherQuestions ......................................................................................159
Chapter 7: Swaps .......................................................................................................161
7.1 Mechanics of Interest Rate Swaps...............................................................162
7.2 DayCount Issues ......................................................................................167
7.3 Con.rmations............................................................................................167
7.4 TheComparative-Advantage Argument.......................................................168
7.5 Valuationof InterestRateSwaps................................................................171
7.6 How theValue Changes through Time........................................................174
7.7 Fixed-for-Fixed Currency Swaps .................................................................175
7.8 Valuation ofFixed-for-Fixed Currency Swaps ..............................................178
7.9 Other Currency Swaps ...............................................................................180
7.10 Credit Risk ...............................................................................................181
7.11 Credit Default Swaps.................................................................................182
7.12 OtherTypes of Swaps................................................................................183 Summary ..................................................................................................184 FurtherReading ........................................................................................185 Quiz .........................................................................................................185 PracticeQuestions......................................................................................186 FurtherQuestions ......................................................................................188
Chapter 8: Securitization and the Credit Crisis of 2007 ..................................................190
8.1 Securitization.............................................................................................190
8.2 The U.S. HousingMarket..........................................................................194
8.3 WhatWentWrong?...................................................................................198
8.4 The Aftermath...........................................................................................200 Summary ..................................................................................................202 FurtherReading ........................................................................................202 Quiz .........................................................................................................203 PracticeQuestions......................................................................................203 FurtherQuestions ......................................................................................204
Chapter 9: Mechanics of Options Markets ....................................................................205
9.1 Types of Option ........................................................................................205
9.2 OptionPositions........................................................................................208
9.3 Underlying Assets......................................................................................210
9.4 Speci.cation of Stock Options....................................................................211
9.5 Trading ....................................................................................................215
9.6 Commissions.............................................................................................216
9.7 MarginRequirements................................................................................ 217
9.8 The Options ClearingCorporation ............................................................. 219
9.9 Regulation................................................................................................220
9.10 Taxation...................................................................................................220
9.11 Warrants, Employee Stock Options, andConvertibles..................................221
9.12 Over-the-Counter Options Markets............................................................. 222 Summary.................................................................................................. 223 Further Reading........................................................................................223 Quiz.........................................................................................................224 PracticeQuestions ..................................................................................... 224 FurtherQuestions .....................................................................................225
Chapter 10: Properties of Stock Options ...................................................................... 227
10.1 Factors A.ecting Option Prices................................................................227
10.2 Assumptions and Notation....................................................................... 231
10.3 Upper and Lower Bounds for Option Prices.............................................. 232
10.4 Put每CallParity....................................................................................... 235
10.5 Calls ona Non-Dividend-Paying Stock..................................................... 239
10.6 Puts ona Non-Dividend-Paying Stock ...................................................... 241
10.7 E.ect of Dividends.................................................................................. 243 Summary................................................................................................ 244 FurtherReading ......................................................................................245 Quiz....................................................................................................... 245 PracticeQuestions.................................................................................... 246 FurtherQuestions....................................................................................247
Chapter 11: Trading Strategies Involving Options .......................................................... 249
11.1 Principal-Protected Notes......................................................................... 249
11.2 Strategies Involvinga Single Option anda Stock....................................... 251
11.3 Spreads................................................................................................... 253
11.4 Combinations..........................................................................................261
11.5 OtherPayo.s.......................................................................................... 264 Summary................................................................................................ 264 FurtherReading ......................................................................................265 Quiz....................................................................................................... 265 PracticeQuestions.................................................................................... 266 FurtherQuestions....................................................................................266
Chapter 12: Introduction to Binomial Trees .................................................................. 268
12.1 AOne-Step BinomialModel anda No-Arbitrage Argument.......................268
12.2 Risk-NeutralValuation............................................................................ 272
12.3 Two-StepBinomialTrees.........................................................................274
12.4 A Put Example....................................................................................... 277
12.5 American Options................................................................................... 278
12.6 Delta...................................................................................................... 279
12.7 Determining u and d ............................................................................... 280
12.8 Increasing the Numberof Time Steps....................................................... 281
12.9 Using DerivaGem.................................................................................... 282
Contents ix
12.10 Options on Other Assets...........................................................................282 Summary.................................................................................................287 Further Reading.......................................................................................287 Quiz........................................................................................................287 PracticeQuestions ....................................................................................288 FurtherQuestions....................................................................................289 Appendix: Derivation of the Black每Scholes每Merton Option Pricing Formula from BinomialTree....................................................291
Chapter 13: Valuing Stock Options: The Black每Scholes每Merton Model..........................293
13.1 Assumptions about How Stock Prices Evolve.............................................294
13.2 ExpectedReturn......................................................................................297
13.3 Volatility.................................................................................................298
13.4 EstimatingVolatilityfrom HistoricalData.................................................299
13.5 Assumptions Underlying Black每Scholes每Merton .......................................301
13.6 The Key No-Arbitrage Argument..............................................................302
13.7 The Black每Scholes每MertonPricingFormulas............................................304
13.8 Risk-NeutralValuation.............................................................................306
13.9 ImpliedVolatilities...................................................................................307
13.10 Dividends................................................................................................309 Summary.................................................................................................311 Further Reading.......................................................................................312 Quiz........................................................................................................313 PracticeQuestions ....................................................................................313 FurtherQuestions ....................................................................................315 Appendix: The Early Exercise of American Call Options on Dividend-Paying Stocks ...........................................................316
Chapter 14: Employee Stock Options ...........................................................................318
14.1 Contractual Arrangements........................................................................318
14.2 Do Options Align the Interests of Shareholders and Managers?...................320
14.3 Accounting Issues....................................................................................321
14.4 Valuation.................................................................................................323
14.5 Backdating Scandals.................................................................................324 Summary.................................................................................................325 Further Reading.......................................................................................326 Quiz........................................................................................................326 PracticeQuestions ....................................................................................327 FurtherQuestions ....................................................................................327
Chapter 15: Options on Stock Indices and Currencies.....................................................328
15.1 Options on Stock Indices..........................................................................328
15.2 Currency Options.....................................................................................331
15.3 Options on StocksPaying Known Dividend Yields.....................................333
15.4 Valuation of European Stock Index Options ..............................................335
15.5 Valuation of European Currency Options ..................................................338
15.6 American Options....................................................................................339 Summary.................................................................................................340 Further Reading.......................................................................................341 Quiz........................................................................................................341
PracticeQuestions.................................................................................... 341 FurtherQuestions....................................................................................343
Chapter 16: Futures Options and Black*s Model............................................................ 344
16.1 NatureofFutures Options ....................................................................... 344
16.2 Reasons for thePopularityofFutures Options.......................................... 346
16.3 European SpotandFutures Options......................................................... 347
16.4 Put每CallParity.......................................................................................347
16.5 Bounds forFutures Options..................................................................... 349
16.6 AFuturesPrice as an AssetProviding a Yield........................................... 349
16.7 Black*sModel forValuingFutures Options............................................... 350
16.8 Using Black*s ModelInsteadof Black每Scholes每Merton............................. 350
16.9 Valuation ofFutures Options Using BinomialTrees...................................351
16.10 AmericanFutures Options vs. American Spot Options............................... 354
16.11 Futures-Style Options..............................................................................354 Summary................................................................................................ 355 FurtherReading ......................................................................................356 Quiz....................................................................................................... 356 PracticeQuestions.................................................................................... 356 Further Questions....................................................................................357
Chapter 17: The Greek Letters.................................................................................... 359
17.1 Illustration.............................................................................................. 359
17.2 Naked andCoveredPositions................................................................... 360
17.3 Greek Letter Calculation.......................................................................... 362
17.4 Delta...................................................................................................... 363
17.5 Theta...................................................................................................... 369
17.6 Gamma.................................................................................................. 371
17.7 Relationship Between Delta, Theta, and Gamma....................................... 374
17.8 Vega.......................................................................................................378
17.9 Rho........................................................................................................ 377
17.10 TheRealities of Hedging.......................................................................... 379
17.11 Scenario Analysis.................................................................................... 379
17.12 Extension ofFormulas............................................................................. 380
17.13 Creating Options Synthetically forPortfolio Insurance............................... 382
17.14 StockMarketVolatility............................................................................ 385 Summary................................................................................................ 385 FurtherReading ......................................................................................387 Quiz....................................................................................................... 387 PracticeQuestions.................................................................................... 388 Further Questions....................................................................................389
Chapter 18: Binomial Trees in Practice ........................................................................ 391
18.1 The Binomial Model fora Non-Dividend-Paying Stock.............................. 391
18.2 Using the Binomial Tree for Options on Indices, Currencies, and Futures Contracts ................................................................................................398
18.3 The Binomial Model fora Dividend-Paying Stock..................................... 401
18.4 Extensionsof the BasicTree Approach..................................................... 405
18.5 Alternative Procedure forConstructingTrees............................................. 407
18.6 Monte Carlo Simulation.......................................................................... 407
Contents xi
Summary.................................................................................................409 Further Reading.......................................................................................410 Quiz........................................................................................................410 PracticeQuestions ....................................................................................411 FurtherQuestions....................................................................................412
Chapter 19: Volatility Smiles .......................................................................................413
19.1 Foreign Currency Options.........................................................................413
19.2 Equity Options........................................................................................416
19.3 TheVolatilityTerm Structure andVolatility Surfaces..................................418
19.4 Whena Single Large JumpIs Anticipated.................................................420 Summary.................................................................................................421 Further Reading.......................................................................................422 Quiz........................................................................................................423 PracticeQuestions ....................................................................................423 FurtherQuestions....................................................................................424 Appendix: Why the Put Volatility Smile is the Same as the Call Volatility Smile........................................................................426
Chapter 20: Value at Risk and Expected Shortfall .........................................................428
20.1 TheVaR and ES Measures.......................................................................428
20.2 Historical Simulation................................................................................431
20.3 Model-Building Approach.........................................................................436
20.4 Generalization of Linear Model ................................................................439
20.5 Quadratic Model......................................................................................444
20.6 EstimatingVolatilities andCorrelations......................................................446
20.7 Comparison of Approaches.......................................................................451
20.8 BackTesting ............................................................................................452 Summary.................................................................................................452 Further Reading.......................................................................................453 Quiz........................................................................................................453 PracticeQuestions ....................................................................................454 FurtherQuestions....................................................................................455
Chapter 21: Interest Rate Options ................................................................................458
21.1 Exchange-Traded Interest Rate Options .....................................................458
21.2 Embedded Bond Options..........................................................................460
21.3 Black*s Model..........................................................................................460
21.4 European Bond Options...........................................................................462
21.5 Interest Rate Caps....................................................................................464
21.6 EuropeanSwap Options...........................................................................469
21.7 Term Structure Models.............................................................................472 Summary.................................................................................................473 Further Reading.......................................................................................473 Quiz........................................................................................................474 PracticeQuestions ....................................................................................474 FurtherQuestions....................................................................................475
Chapter 22: Exotic Options and Other Nonstandard Products .........................................477
22.1 Exotic Options.........................................................................................477
22.2 Agency Mortgage-Backed Securities ..........................................................484
22.3 Nonstandard Swaps................................................................................. 485 Summary................................................................................................ 492 FurtherReading ......................................................................................492 Quiz....................................................................................................... 493 PracticeQuestions.................................................................................... 493 FurtherQuestions....................................................................................494
Chapter 23: Credit Derivatives..................................................................................... 496
23.1 Credit Default Swaps............................................................................... 497
23.2 Valuation of Credit Default Swaps............................................................501
23.3 TotalReturn Swaps.................................................................................505
23.4 CDSForwards and Options..................................................................... 506
23.5 Credit Indices.......................................................................................... 507
23.6 The Use ofFixedCoupons ...................................................................... 507
23.7 Collateralized Debt Obligations ................................................................509 Summary................................................................................................ 511 FurtherReading ......................................................................................512 Quiz....................................................................................................... 512 PracticeQuestions.................................................................................... 513 FurtherQuestions....................................................................................513
Chapter 24: Weather, Energy, and Insurance Derivatives ................................................ 515
24.1 Weather Derivatives.................................................................................515
24.2 Energy Derivatives................................................................................... 516
24.3 Insurance Derivatives............................................................................... 519 Summary................................................................................................ 520 FurtherReading ......................................................................................520 Quiz....................................................................................................... 521 PracticeQuestions.................................................................................... 521 FurtherQuestion .....................................................................................522
Chapter 25: Derivatives Mishaps and What We Can Learn From Them........................... 523
25.1 Lessons for All Users of Derivatives......................................................... 523
25.2 Lessons forFinancial Institutions ............................................................. 527
25.3 Lessons for Non.nancialCorporations ..................................................... 532 Summary................................................................................................ 534 FurtherReading ......................................................................................534
Answers to Quiz Questions............................................................................................ 535 Glossary of Terms........................................................................................................ 535 DerivaGem Software .................................................................................................... 535 Major Exchanges Trading Futures and Options............................................................... 535 Table for NexT .................. ........................................................................................... 535
