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Credit valuation adjustment

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are required to compute the value of CVA. Calculating CVA risk would require 250 daily market risk scenarios over the 12-month stress period. CVA has to be calculated for each market risk scenario, resulting in 250 million simulations. These calculations have to be repeated across 6 risk types and 5
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The "CVA charge". The hedging of the CVA desk has a cost associated to it, i.e. the bank has to buy the hedging instrument. This cost is then allocated to each business line of an investment bank (usually as a contra revenue). This allocated cost is called the "CVA
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A good introduction can be found in a paper by Michael Pykhtin and Steven Zhu. Karlsson et al. (2016) present a numerical efficient method for calculating expected exposure, potential future exposure and CVA for interest rate derivatives, in particular Bermudan
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on all risk factors; this is computationally demanding. There exists a simple approximation for CVA. This consists in buying default protection, typically a
654: 1181: 183: 1079:'s July 2015 consultation document regarding CVA calculations, if CVA is calculated using 100 timesteps with 10,000 scenarios per timestep, 1 million 1128: 1331: 1282: 1224: 1301: 1076: 1252: 103:. "CVA" can refer more generally to several related concepts, as delineated aside. The most common transactions attracting CVA involve 161:
as well as on the market risk factors that drive derivatives' values and, therefore, exposure. It is typically calculated under
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on the net CVA-risk, the CVA desk is responsible also for managing (minimizing) the capital requirements under Basel.
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a portion of profits on uncollateralized financial derivatives. These reserved profits can be viewed as the
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during the life of the transaction. CVA is one of a family of related valuation adjustments, collectively
904: 888:{\displaystyle \mathrm {EE} ^{*}(t)=\mathbb {E} \left\lbrack {{\frac {B_{0}}{B_{t}}}~E(t)}\right\rbrack } 555: 138: 80: 765: 1326: 1231: 1032: 1008: 924: 174: 158: 84: 996: 908: 633: 142: 112: 100: 33: 1020: 982: 962: 480: 399: 1142: 1124: 928: 920: 154: 911:, netted for each counterparty. The CDS price may then be used to back out the CVA charge. 486: 405: 1143:"Credit Exposures for Interest Rate Derivatives using the Stochastic Grid Bundling Method" 1104: 1004: 506: 1266: 1108: 456: 1000: 752:{\displaystyle \mathrm {CVA} =LGD\int _{0}^{T}\mathrm {EE} ^{*}(t)~d\mathrm {PD} (0,t)} 645: 615: 595: 535: 436: 381: 1310: 985:, increasingly CVA pricing and hedging is under the "ownership" of a centralized CVA 430: 141:
one defines CVA as the difference between the risk-free portfolio value and the true
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expectation of the discounted loss. The risk-neutral expectation can be written as
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hedge to reduce the amount of capital required under the CVA calculation of
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greatly simplifies the analysis. Under this assumption this simplifies to
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liquidity horizons, resulting in potentially 8.75 billion simulations.
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changes in counterparty risk will result in earnings volatility; see
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is the risk neutral probability of counterparty default between times
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In particular, this desk addresses volatility in earnings due to the
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Counterparty credit risk pricing, assessment, and dynamic hedging
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Patrik Karlsson, Shashi Jain. and Cornelis W. Oosterlee (2016).
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Credit Valuation Adjustment (CVA) - Corporate Finance Institute
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invested today at the prevailing interest rate for maturity
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Assuming independence between exposure and counterparty's
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here focuses on addressing changes to the counterparty's
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is the risk-neutral discounted expected exposure (EE):
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hedge for possible losses due to counterparty default;
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Further, since under 324: 318: 32:A part of the regulatory Capital and RWA ( 29:The mathematical concept as defined below; 1265:Kenneth Kapner and Charles Gates (2016). 857: 847: 841: 840: 832: 831: 813: 805: 802: 778: 770: 767: 726: 705: 697: 690: 685: 658: 656: 617: 597: 559: 557: 537: 508: 488: 458: 438: 413: 407: 383: 342: 298: 288: 282: 258: 248: 243: 227: 214: 187: 185: 957:Financial risk management § Banking 149:'s default. In other words, CVA is the 1097: 1054: 429:is the future value of one unit of the 1077:Basel Committee on Banking Supervision 1019:, banks are required to hold specific 1109:Credit valuation adjustment framework 7: 999:requiring that CVA be considered in 91:to compensate it for taking on the 1123:Pykhtin, M.; Zhu, S. (July 2007). 809: 806: 774: 771: 730: 727: 701: 698: 665: 662: 659: 585:{\displaystyle \mathrm {PD} (s,t)} 563: 560: 346: 343: 200: 194: 191: 188: 14: 919:The CVA charge may be seen as an 787:{\displaystyle \mathrm {EE} ^{*}} 87:price, as charged by a bank to a 1251:. 7 October 2013. Archived from 1197:. Global Trading. Archived from 133:XVA § Valuation adjustments 99:; for further context here see 93:credit risk of that counterparty 36:) calculation introduced under 173:Unilateral CVA is given by the 1332:Monte Carlo methods in finance 877: 871: 825: 819: 746: 734: 717: 711: 579: 567: 519: 513: 362: 350: 315: 309: 233: 220: 203: 197: 1: 1193:Alvin Lee (17 August 2015). 1147:Applied Mathematical Finance 973:(expected positive/negative 953:XVA § Accounting impact 941:XVA § Accounting impact 109:foreign exchange derivatives 983:Middle Office finance teams 73:Credit valuation adjustment 1348: 1221:European Banking Authority 950: 130: 83:, is an "adjustment" to a 1180:CVA calculation example: 1164:"Valuation Adjustments 1" 1038:Potential future exposure 1013:potential future exposure 105:interest rate derivatives 1287:Citigroup Global Markets 947:Function of the CVA desk 532:is the exposure at time 503:is the time of default, 169:Risk-neutral expectation 155:counterparty credit risk 1182:Monte-Carlo with Python 965:generate counterparty 905:Monte-Carlo simulation 889: 788: 753: 626: 606: 586: 546: 526: 497: 473: 447: 423: 392: 369: 163:a simulation framework 22:CVA related concepts: 1230:. EBA. Archived from 951:Further information: 921:accounting adjustment 890: 789: 754: 627: 607: 587: 547: 527: 498: 496:{\displaystyle \tau } 474: 448: 424: 422:{\displaystyle B_{t}} 393: 370: 139:financial mathematics 131:Further information: 81:financial mathematics 1322:Mathematical finance 1223:(25 February 2015). 1201:on 11 September 2015 1033:Financial derivative 915:Accounting treatment 801: 766: 655: 616: 596: 556: 536: 525:{\displaystyle E(t)} 507: 487: 457: 437: 406: 382: 184: 1225:"EBA Report on CVA" 997:accounting standard 909:Credit Default Swap 695: 634:credit default swap 472:{\displaystyle LGD} 253: 34:risk-weighted asset 1281:James Lee (2010). 1021:regulatory capital 943:and next section. 885: 784: 749: 681: 622: 602: 582: 542: 522: 493: 481:loss given default 469: 443: 419: 388: 365: 239: 1317:Actuarial science 1075:According to the 1009:credit worthiness 981:trading desk and 929:net present value 867: 863: 722: 625:{\displaystyle t} 605:{\displaystyle s} 545:{\displaystyle t} 446:{\displaystyle t} 391:{\displaystyle T} 304: 69: 68: 1339: 1289: 1279: 1273: 1263: 1257: 1256: 1245: 1239: 1238: 1236: 1229: 1217: 1211: 1210: 1208: 1206: 1190: 1184: 1178: 1172: 1171: 1156: 1150: 1139: 1133: 1132: 1129:GARP Risk Review 1120: 1111: 1102: 1085: 1073: 1067: 1059: 1003:accounting. The 963:investment banks 894: 892: 891: 886: 884: 880: 865: 864: 862: 861: 852: 851: 842: 835: 818: 817: 812: 793: 791: 790: 785: 783: 782: 777: 758: 756: 755: 750: 733: 720: 710: 709: 704: 694: 689: 668: 631: 629: 628: 623: 611: 609: 608: 603: 591: 589: 588: 583: 566: 551: 549: 548: 543: 531: 529: 528: 523: 502: 500: 499: 494: 478: 476: 475: 470: 452: 450: 449: 444: 428: 426: 425: 420: 418: 417: 397: 395: 394: 389: 374: 372: 371: 366: 349: 338: 334: 323: 319: 305: 303: 302: 293: 292: 283: 263: 262: 252: 247: 232: 231: 219: 218: 206: 19: 1347: 1346: 1342: 1341: 1340: 1338: 1337: 1336: 1307: 1306: 1298: 1293: 1292: 1280: 1276: 1264: 1260: 1247: 1246: 1242: 1234: 1227: 1219: 1218: 1214: 1204: 1202: 1192: 1191: 1187: 1179: 1175: 1162:(May 3, 2016). 1158: 1157: 1153: 1140: 1136: 1122: 1121: 1114: 1105:Basel Committee 1103: 1099: 1094: 1089: 1088: 1074: 1070: 1060: 1056: 1051: 1029: 959: 949: 917: 901: 853: 843: 836: 804: 799: 798: 769: 764: 763: 696: 653: 652: 642: 636:(CDS) spreads. 614: 613: 594: 593: 554: 553: 534: 533: 505: 504: 485: 484: 455: 454: 435: 434: 409: 404: 403: 380: 379: 294: 284: 272: 269: 268: 264: 254: 223: 210: 182: 181: 171: 143:portfolio value 135: 129: 17: 12: 11: 5: 1345: 1343: 1335: 1334: 1329: 1324: 1319: 1309: 1308: 1305: 1304: 1297: 1296:External links 1294: 1291: 1290: 1274: 1258: 1255:on 2023-06-03. 1240: 1237:on 2015-06-07. 1212: 1185: 1173: 1151: 1134: 1112: 1096: 1095: 1093: 1090: 1087: 1086: 1068: 1053: 1052: 1050: 1047: 1046: 1045: 1040: 1035: 1028: 1025: 1001:mark-to-market 948: 945: 916: 913: 900: 897: 896: 895: 883: 879: 876: 873: 870: 860: 856: 850: 846: 839: 834: 830: 827: 824: 821: 816: 811: 808: 781: 776: 773: 760: 759: 748: 745: 742: 739: 736: 732: 729: 725: 719: 716: 713: 708: 703: 700: 693: 688: 684: 680: 677: 674: 671: 667: 664: 661: 646:credit quality 641: 638: 621: 601: 581: 578: 575: 572: 569: 565: 562: 541: 521: 518: 515: 512: 492: 468: 465: 462: 442: 416: 412: 398:  is the 387: 376: 375: 364: 361: 358: 355: 352: 348: 345: 341: 337: 333: 330: 327: 322: 317: 314: 311: 308: 301: 297: 291: 287: 281: 278: 275: 271: 267: 261: 257: 251: 246: 242: 238: 235: 230: 226: 222: 217: 213: 209: 205: 202: 199: 196: 193: 190: 170: 167: 159:credit spreads 128: 125: 113:capital charge 67: 66: 65: 64: 60: 59: 58: 51: 41: 30: 24: 23: 16:Economics term 15: 13: 10: 9: 6: 4: 3: 2: 1344: 1333: 1330: 1328: 1325: 1323: 1320: 1318: 1315: 1314: 1312: 1303: 1300: 1299: 1295: 1288: 1284: 1278: 1275: 1272: 1268: 1262: 1259: 1254: 1250: 1244: 1241: 1233: 1226: 1222: 1216: 1213: 1200: 1196: 1189: 1186: 1183: 1177: 1174: 1169: 1165: 1161: 1155: 1152: 1148: 1144: 1138: 1135: 1130: 1126: 1119: 1117: 1113: 1110: 1106: 1101: 1098: 1091: 1082: 1078: 1072: 1069: 1065: 1058: 1055: 1048: 1044: 1041: 1039: 1036: 1034: 1031: 1030: 1026: 1024: 1022: 1018: 1014: 1011:, offsetting 1010: 1006: 1002: 998: 995: 990: 988: 984: 980: 976: 972: 968: 964: 958: 954: 946: 944: 942: 938: 934: 930: 926: 922: 914: 912: 910: 906: 899:Approximation 898: 881: 874: 868: 858: 854: 848: 844: 837: 828: 822: 814: 797: 796: 795: 779: 743: 740: 737: 723: 714: 706: 691: 686: 682: 678: 675: 672: 669: 651: 650: 649: 647: 639: 637: 635: 619: 599: 576: 573: 570: 539: 516: 510: 490: 482: 466: 463: 460: 440: 432: 431:base currency 414: 410: 401: 385: 359: 356: 353: 339: 335: 331: 328: 325: 320: 312: 306: 299: 295: 289: 285: 279: 276: 273: 265: 259: 255: 249: 244: 240: 236: 228: 224: 215: 211: 207: 180: 179: 178: 176: 168: 166: 164: 160: 156: 152: 148: 144: 140: 134: 126: 124: 122: 118: 114: 110: 106: 102: 98: 94: 90: 86: 82: 78: 74: 61: 56: 52: 49: 48: 46: 42: 39: 35: 31: 28: 27: 26: 25: 21: 20: 1277: 1270: 1261: 1253:the original 1243: 1232:the original 1215: 1203:. Retrieved 1199:the original 1188: 1176: 1167: 1154: 1146: 1137: 1100: 1071: 1057: 991: 979:Front Office 970: 966: 960: 918: 902: 761: 643: 377: 175:risk-neutral 172: 151:market value 147:counterparty 136: 89:counterparty 85:derivative's 76: 72: 70: 1327:Credit risk 1081:simulations 933:credit risk 127:Calculation 1311:Categories 1168:fincad.com 1092:References 1205:19 August 1160:John Hull 1064:swaptions 1017:Basel III 815:∗ 780:∗ 707:∗ 683:∫ 491:τ 332:τ 241:∫ 229:∗ 117:Basel III 1107:(2020). 1027:See also 975:exposure 923:made to 400:maturity 63:Charge". 43:The CVA 1005:hedging 994:IFRS 13 937:IFRS 13 931:of the 925:reserve 479:is the 121:IFRS 13 79:), in 55:Basel 3 38:Basel 3 955:, and 866:  762:where 721:  552:, and 378:where 115:under 1235:(PDF) 1228:(PDF) 1049:Notes 1271:GFMI 1207:2015 987:desk 969:and 612:and 45:desk 1043:XVA 971:ENE 967:EPE 153:of 137:In 97:xVA 77:CVA 1313:: 1285:, 1269:. 1166:. 1149:. 1145:. 1127:. 1115:^ 989:. 483:, 453:, 107:, 71:A 1209:. 1170:. 1131:. 1066:. 882:] 878:) 875:t 872:( 869:E 859:t 855:B 849:0 845:B 838:[ 833:E 829:= 826:) 823:t 820:( 810:E 807:E 775:E 772:E 747:) 744:t 741:, 738:0 735:( 731:D 728:P 724:d 718:) 715:t 712:( 702:E 699:E 692:T 687:0 679:D 676:G 673:L 670:= 666:A 663:V 660:C 620:t 600:s 580:) 577:t 574:, 571:s 568:( 564:D 561:P 540:t 520:) 517:t 514:( 511:E 467:D 464:G 461:L 441:t 415:t 411:B 386:T 363:) 360:t 357:, 354:0 351:( 347:D 344:P 340:d 336:] 329:= 326:t 321:| 316:) 313:t 310:( 307:E 300:t 296:B 290:0 286:B 280:D 277:G 274:L 266:[ 260:Q 256:E 250:T 245:0 237:= 234:] 225:L 221:[ 216:Q 212:E 208:= 204:) 201:T 198:( 195:A 192:V 189:C 75:( 57:; 40:;

Index

risk-weighted asset
Basel 3
desk
Basel 3
financial mathematics
derivative's
counterparty
credit risk of that counterparty
xVA
Financial economics § Derivative pricing
interest rate derivatives
foreign exchange derivatives
capital charge
Basel III
IFRS 13
XVA § Valuation adjustments
financial mathematics
portfolio value
counterparty
market value
counterparty credit risk
credit spreads
a simulation framework
risk-neutral
maturity
base currency
loss given default
credit default swap
credit quality
Monte-Carlo simulation

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