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Black–Karasinski model

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185: 40:. It is a one-factor model as it describes interest rate movements as driven by a single source of randomness. It belongs to the class of no-arbitrage models, i.e. it can fit today's 285: 454: 989: 813: 1416: 409: 946: 926: 1330: 1247: 931: 64:
The main state variable of the model is the short rate, which is assumed to follow the stochastic differential equation (under the
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has shown how analytic prices can be conveniently deduced in many such circumstances, as well as for interest rate options.
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Perturbation Expansion for Arrow–Debreu Pricing with Hull-White Interest Rates and Black–Karasinski Credit Intensity
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Black, F.; Karasinski, P. (July–August 1991). "Bond and Option pricing when Short rates are Lognormal".
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In the original article by Fischer Black and Piotr Karasinski the model was implemented using a
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prices, and in its most general form, today's prices for a set of caps, floors or European
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implementation is more common in practice, typically a log-normal application of the
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Interest Rate Models – Theory and Practice with Smile, Inflation and Credit
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Generalized autoregressive conditional heteroskedasticity (GARCH) model
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Exact Arrow-Debreu Pricing for the Black–Karasinski Short Rate Model
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Analytic Option Prices for the Black–Karasinski Short Rate Model
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Autoregressive conditional heteroskedasticity (ARCH) model
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Blanka Horvath, Antoine Jacquier and Colin Turfus (2017).
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of the money-market account is infinite for any maturity.
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Independent and identically distributed random variables
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Analytic Swaption Pricing in the Black–Karasinski Model
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Autoregressive integrated moving average (ARIMA) model
77: 298: 179: 1672: 814:Stochastic chains with memory of variable length 180:{\displaystyle d\ln(r)=\,dt+\sigma _{t}\,dW_{t}} 403: 234:The model is used mainly for the pricing of 383:The Black-Karasinski Model: Thirty Years On 942:Autoregressive–moving-average (ARMA) model 410: 396: 381:Colin Turfus and Piotr Karasinski (2021). 324:(2nd ed. 2006 ed.). Springer Verlag. 286:Perturbation Methods in Credit Derivatives 163: 143: 417: 1673: 1248:Doob's martingale convergence theorems 346:Simon Benninga and Zvi Wiener (1998). 320:Damiano Brigo, Fabio Mercurio (2001). 1000:Constant elasticity of variance (CEV) 990:Chan–Karolyi–Longstaff–Sanders (CKLS) 391: 352:Mathematica in Education and Research 207:for the short rate and therefore the 13: 1487:Skorokhod's representation theorem 1268:Law of large numbers (weak/strong) 14: 1697: 1457:Martingale representation theorem 340: 1502:Stochastic differential equation 1392:Doob's optional stopping theorem 1387:Doob–Meyer decomposition theorem 1372:Convergence of random variables 1258:Fisher–Tippett–Gnedenko theorem 229: 970:Binomial options pricing model 348:Binomial Term Structure Models 140: 137: 131: 99: 93: 87: 48:. The model was introduced by 1: 1437:Kolmogorov continuity theorem 1273:Law of the iterated logarithm 291: 218:with variable spacing, but a 1442:Kolmogorov extension theorem 1121:Generalized queueing network 629:Interacting particle systems 7: 574:Continuous-time random walk 10: 1702: 1582:Extreme value theory (EVT) 1382:Doob decomposition theorem 674:Ornstein–Uhlenbeck process 445:Chinese restaurant process 301:Financial Analysts Journal 1650: 1554: 1462:Optional stopping theorem 1359: 1321: 1263:Large deviation principle 1230: 1144: 1101: 1068: 1015:Heath–Jarrow–Morton (HJM) 960: 952:Moving-average (MA) model 937:Autoregressive (AR) model 917: 827: 762:Hidden Markov model (HMM) 744: 696:Schramm–Loewner evolution 500: 425: 239:interest rate derivatives 1377:Doléans-Dade exponential 1207:Progressively measurable 1005:Cox–Ingersoll–Ross (CIR) 59: 1597:Mathematical statistics 1587:Large deviations theory 1417:Infinitesimal generator 1278:Maximal ergodic theorem 1197:Piecewise-deterministic 799:Random dynamical system 664:Markov additive process 205:log-normal distribution 1432:Karhunen–Loève theorem 1367:Cameron–Martin formula 1331:Burkholder–Davis–Gundy 726:Variance gamma process 203:. The model implies a 181: 22:Black–Karasinski model 1562:Actuarial mathematics 1524:Uniform integrability 1519:Stratonovich integral 1447:Lévy–Prokhorov metric 1351:Marcinkiewicz–Zygmund 1238:Central limit theorem 840:Gaussian random field 669:McKean–Vlasov process 589:Dyson Brownian motion 450:Galton–Watson process 375:Colin Turfus (2019). 369:Colin Turfus (2018). 363:Colin Turfus (2018). 313:10.2469/faj.v47.n4.52 182: 18:financial mathematics 1637:Time series analysis 1592:Mathematical finance 1477:Reflection principle 804:Regenerative process 604:Fleming–Viot process 419:Stochastic processes 258:implied volatilities 75: 66:risk-neutral measure 1632:Stochastic analysis 1472:Quadratic variation 1467:Prokhorov's theorem 1402:Feynman–Kac formula 872:Markov random field 520:Birth–death process 354:, Vol. 7 No. 3 1998 278:credit default risk 1602:Probability theory 1482:Skorokhod integral 1452:Malliavin calculus 1035:Korn-Kreer-Lenssen 919:Time series models 882:Pitman–Yor process 224:Hull–White lattice 177: 26:mathematical model 1681:Short-rate models 1668: 1667: 1622:Signal processing 1341:Doob's upcrossing 1336:Doob's martingale 1300:Engelbert–Schmidt 1243:Donsker's theorem 1177:Feller-continuous 1045:Rendleman–Bartter 835:Dirichlet process 752:Branching process 721:Telegraph process 614:Geometric process 594:Empirical process 584:Diffusion process 440:Branching process 435:Bernoulli process 331:978-3-540-22149-4 274:Numerical methods 1693: 1686:Financial models 1642:Machine learning 1529:Usual hypotheses 1412:Girsanov theorem 1397:Dynkin's formula 1162:Continuous paths 1070:Actuarial models 1010:Garman–Kohlhagen 980:Black–Karasinski 975:Black–Derman–Toy 962:Financial models 828:Fields and other 757:Gaussian process 706:Sigma-martingale 510:Additive process 412: 405: 398: 389: 388: 335: 316: 186: 184: 183: 178: 176: 175: 162: 161: 124: 123: 111: 110: 54:Piotr Karasinski 42:zero-coupon bond 38:short-rate model 1701: 1700: 1696: 1695: 1694: 1692: 1691: 1690: 1671: 1670: 1669: 1664: 1646: 1607:Queueing theory 1550: 1492:Skorokhod space 1355: 1346:Kunita–Watanabe 1317: 1283:Sanov's theorem 1253:Ergodic theorem 1226: 1222:Time-reversible 1140: 1103:Queueing models 1097: 1093:Sparre–Anderson 1083:Cramér–Lundberg 1064: 1050:SABR volatility 956: 913: 865:Boolean network 823: 809:Renewal process 740: 689:Non-homogeneous 679:Poisson process 569:Contact process 532:Brownian motion 502:Continuous time 496: 490:Maximal entropy 421: 416: 343: 338: 332: 294: 232: 201:Brownian motion 198: 171: 167: 157: 153: 119: 115: 106: 102: 76: 73: 72: 62: 12: 11: 5: 1699: 1689: 1688: 1683: 1666: 1665: 1663: 1662: 1657: 1655:List of topics 1651: 1648: 1647: 1645: 1644: 1639: 1634: 1629: 1624: 1619: 1614: 1612:Renewal theory 1609: 1604: 1599: 1594: 1589: 1584: 1579: 1577:Ergodic theory 1574: 1569: 1567:Control theory 1564: 1558: 1556: 1552: 1551: 1549: 1548: 1547: 1546: 1541: 1531: 1526: 1521: 1516: 1511: 1510: 1509: 1499: 1497:Snell envelope 1494: 1489: 1484: 1479: 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759: 754: 748: 746: 742: 741: 739: 738: 736:Wiener sausage 733: 731:Wiener process 728: 723: 718: 713: 711:Stable process 708: 703: 701:Semimartingale 698: 693: 692: 691: 686: 676: 671: 666: 661: 656: 651: 646: 644:Jump diffusion 641: 636: 631: 626: 621: 619:Hawkes process 616: 611: 606: 601: 599:Feller process 596: 591: 586: 581: 576: 571: 566: 564:Cauchy process 561: 560: 559: 554: 549: 544: 539: 529: 528: 527: 517: 515:Bessel process 512: 506: 504: 498: 497: 495: 494: 493: 492: 487: 482: 477: 467: 462: 457: 452: 447: 442: 437: 431: 429: 423: 422: 415: 414: 407: 400: 392: 386: 385: 379: 373: 367: 361: 355: 342: 341:External links 339: 337: 336: 330: 317: 295: 293: 290: 231: 228: 220:trinomial tree 209:expected value 199:is a standard 194: 188: 187: 174: 170: 166: 160: 156: 152: 149: 146: 142: 139: 136: 133: 130: 127: 122: 118: 114: 109: 105: 101: 98: 95: 92: 89: 86: 83: 80: 61: 58: 34:interest rates 30:term structure 9: 6: 4: 3: 2: 1698: 1687: 1684: 1682: 1679: 1678: 1676: 1661: 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289: 287: 283: 279: 275: 271: 267: 263: 259: 255: 251: 248: 244: 240: 237: 227: 225: 221: 217: 216:binomial tree 212: 210: 206: 202: 197: 193: 172: 168: 164: 158: 154: 150: 147: 144: 134: 128: 125: 120: 116: 112: 107: 103: 96: 90: 84: 81: 78: 71: 70: 69: 67: 57: 55: 51: 50:Fischer Black 47: 43: 39: 35: 31: 27: 23: 19: 1572:Econometrics 1534:Wiener space 1422:Itô integral 1323:Inequalities 1212:Self-similar 1182:Gauss–Markov 1172:Exchangeable 1152:Càdlàg paths 1088:Risk process 1040:LIBOR market 979: 909:Random graph 904:Random field 716:Superprocess 654:Lévy process 649:Jump process 624:Hunt process 460:Markov chain 351: 321: 307:(4): 52–59. 304: 300: 250:bond options 233: 230:Applications 213: 195: 191: 189: 63: 21: 15: 1617:Ruin theory 1555:Disciplines 1427:Itô's lemma 1202:Predictable 877:Percolation 860:Potts model 855:Ising model 819:White noise 777:Differences 639:Itô process 579:Cox process 475:Loop-erased 470:Random walk 282:Cox process 272:swaptions. 1675:Categories 1627:Statistics 1407:Filtration 1308:Kolmogorov 1292:Blumenthal 1217:Stationary 1157:Continuous 1145:Properties 1030:Hull–White 772:Martingale 659:Local time 547:Fractional 525:pure birth 292:References 1539:Classical 552:Geometric 542:Excursion 254:swaptions 155:σ 129:⁡ 117:ϕ 113:− 104:θ 85:⁡ 56:in 1991. 46:swaptions 1660:Category 1544:Abstract 1078:Bühlmann 684:Compound 270:European 247:Bermudan 243:American 241:such as 1167:Ergodic 1055:Vašíček 897:Poisson 557:Meander 28:of the 1507:Tanaka 1192:Mixing 1187:Markov 1060:Wilkie 1025:Ho–Lee 1020:Heston 792:Super- 537:Bridge 485:Biased 328:  266:floors 236:exotic 190:where 36:; see 20:, the 1360:Tools 1136:M/M/c 1131:M/M/1 1126:M/G/1 1116:Fluid 782:Local 60:Model 24:is a 1312:Lévy 1111:Bulk 995:Chen 787:Sub- 745:Both 326:ISBN 262:caps 252:and 245:and 52:and 892:Cox 309:doi 268:or 260:of 68:): 32:of 16:In 1677:: 1310:, 1306:, 1302:, 1298:, 1294:, 350:, 305:47 303:. 264:, 226:. 192:dW 126:ln 82:ln 1314:) 1290:( 411:e 404:t 397:v 334:. 315:. 311:: 196:t 173:t 169:W 165:d 159:t 151:+ 148:t 145:d 141:] 138:) 135:r 132:( 121:t 108:t 100:[ 97:= 94:) 91:r 88:( 79:d

Index

financial mathematics
mathematical model
term structure
interest rates
short-rate model
zero-coupon bond
swaptions
Fischer Black
Piotr Karasinski
risk-neutral measure
Brownian motion
log-normal distribution
expected value
binomial tree
trinomial tree
Hull–White lattice
exotic
interest rate derivatives
American
Bermudan
bond options
swaptions
implied volatilities
caps
floors
European
Numerical methods
credit default risk
Cox process
Perturbation Methods in Credit Derivatives

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