| Name | Number | Required |
| TestReqID | 112 | N |
| Name | Number | Required |
| EncryptMethod | 98 | Y |
| HeartBtInt | 108 | Y |
| RawDataLength | 95 | N |
| RawData | 96 | N |
| ResetSeqNumFlag | 141 | N |
| MaxMessageSize | 383 | N |
| àRefMsgType | 372 | N |
| àMsgDirection | 385 | N |
| Name | Number | Required |
| TestReqID | 112 | Y |
| Name | Number | Required |
| BeginSeqNo | 7 | Y |
| EndSeqNo | 16 | Y |
| Name | Number | Required |
| RefSeqNum | 45 | Y |
| RefTagID | 371 | N |
| RefMsgType | 372 | N |
| SessionRejectReason | 373 | N |
| Text | 58 | N |
| EncodedTextLen | 354 | N |
| EncodedText | 355 | N |
| Name | Number | Required |
| GapFillFlag | 123 | N |
| NewSeqNo | 36 | Y |
| Name | Number | Required |
| Text | 58 | N |
| EncodedTextLen | 354 | N |
| EncodedText | 355 | N |
| Name | Number | Required |
| AdvId | 2 | Y |
| AdvTransType | 5 | Y |
| AdvRefID | 3 | N |
| Symbol | 55 | Y |
| SymbolSfx | 65 | N |
| SecurityID | 48 | N |
| IDSource | 22 | N |
| SecurityType | 167 | N |
| MaturityMonthYear | 200 | N |
| MaturityDay | 205 | N |
| PutOrCall | 201 | N |
| StrikePrice | 202 | N |
| OptAttribute | 206 | N |
| ContractMultiplier | 231 | N |
| CouponRate | 223 | N |
| SecurityExchange | 207 | N |
| Issuer | 106 | N |
| EncodedIssuerLen | 348 | N |
| EncodedIssuer | 349 | N |
| SecurityDesc | 107 | N |
| EncodedSecurityDescLen | 350 | N |
| EncodedSecurityDesc | 351 | N |
| AdvSide | 4 | Y |
| Shares | 53 | Y |
| Price | 44 | N |
| Currency | 15 | N |
| TradeDate | 75 | N |
| TransactTime | 60 | N |
| Text | 58 | N |
| EncodedTextLen | 354 | N |
| EncodedText | 355 | N |
| URLLink | 149 | N |
| LastMkt | 30 | N |
| TradingSessionID | 336 | N |
| Name | Number | Required |
| IOIid | 23 | Y |
| IOITransType | 28 | Y |
| IOIRefID | 26 | N |
| Symbol | 55 | Y |
| SymbolSfx | 65 | N |
| SecurityID | 48 | N |
| IDSource | 22 | N |
| SecurityType | 167 | N |
| MaturityMonthYear | 200 | N |
| MaturityDay | 205 | N |
| PutOrCall | 201 | N |
| StrikePrice | 202 | N |
| OptAttribute | 206 | N |
| ContractMultiplier | 231 | N |
| CouponRate | 223 | N |
| SecurityExchange | 207 | N |
| Issuer | 106 | N |
| EncodedIssuerLen | 348 | N |
| EncodedIssuer | 349 | N |
| SecurityDesc | 107 | N |
| EncodedSecurityDescLen | 350 | N |
| EncodedSecurityDesc | 351 | N |
| Side | 54 | Y |
| IOIShares | 27 | Y |
| Price | 44 | N |
| Currency | 15 | N |
| ValidUntilTime | 62 | N |
| IOIQltyInd | 25 | N |
| IOINaturalFlag | 130 | N |
| àIOIQualifier | 104 | N |
| Text | 58 | N |
| EncodedTextLen | 354 | N |
| EncodedText | 355 | N |
| TransactTime | 60 | N |
| URLLink | 149 | N |
| àRoutingType | 216 | N |
| àRoutingID | 217 | N |
| SpreadToBenchmark | 218 | N |
| Benchmark | 219 | N |
| Name | Number | Required |
| OrigTime | 42 | N |
| Urgency | 61 | N |
| Headline | 148 | Y |
| EncodedHeadlineLen | 358 | N |
| EncodedHeadline | 359 | N |
| àRoutingType | 216 | N |
| àRoutingID | 217 | N |
| àRelatdSym | 46 | N |
| àSymbolSfx | 65 | N |
| àSecurityID | 48 | N |
| àIDSource | 22 | N |
| àSecurityType | 167 | N |
| àMaturityMonthYear | 200 | N |
| àMaturityDay | 205 | N |
| àPutOrCall | 201 | N |
| àStrikePrice | 202 | N |
| àOptAttribute | 206 | N |
| àContractMultiplier | 231 | N |
| àCouponRate | 223 | N |
| àSecurityExchange | 207 | N |
| àIssuer | 106 | N |
| àEncodedIssuerLen | 348 | N |
| àEncodedIssuer | 349 | N |
| àSecurityDesc | 107 | N |
| àEncodedSecurityDescLen | 350 | N |
| àEncodedSecurityDesc | 351 | N |
| àText | 58 | Y |
| àEncodedTextLen | 354 | N |
| àEncodedText | 355 | N |
| URLLink | 149 | N |
| RawDataLength | 95 | N |
| RawData | 96 | N |
| Name | Number | Required |
| EmailThreadID | 164 | Y |
| EmailType | 94 | Y |
| OrigTime | 42 | N |
| Subject | 147 | Y |
| EncodedSubjectLen | 356 | N |
| EncodedSubject | 357 | N |
| àRoutingType | 216 | N |
| àRoutingID | 217 | N |
| àRelatdSym | 46 | N |
| àSymbolSfx | 65 | N |
| àSecurityID | 48 | N |
| àIDSource | 22 | N |
| àSecurityType | 167 | N |
| àMaturityMonthYear | 200 | N |
| àMaturityDay | 205 | N |
| àPutOrCall | 201 | N |
| àStrikePrice | 202 | N |
| àOptAttribute | 206 | N |
| àContractMultiplier | 231 | N |
| àCouponRate | 223 | N |
| àSecurityExchange | 207 | N |
| àIssuer | 106 | N |
| àEncodedIssuerLen | 348 | N |
| àEncodedIssuer | 349 | N |
| àSecurityDesc | 107 | N |
| àEncodedSecurityDescLen | 350 | N |
| àEncodedSecurityDesc | 351 | N |
| OrderID | 37 | N |
| ClOrdID | 11 | N |
| àText | 58 | Y |
| àEncodedTextLen | 354 | N |
| àEncodedText | 355 | N |
| RawDataLength | 95 | N |
| RawData | 96 | N |
| Name | Number | Required |
| QuoteReqID | 131 | Y |
| àSymbol | 55 | Y |
| àSymbolSfx | 65 | N |
| àSecurityID | 48 | N |
| àIDSource | 22 | N |
| àSecurityType | 167 | N |
| àMaturityMonthYear | 200 | N |
| àMaturityDay | 205 | N |
| àPutOrCall | 201 | N |
| àStrikePrice | 202 | N |
| àOptAttribute | 206 | N |
| àContractMultiplier | 231 | N |
| àCouponRate | 223 | N |
| àSecurityExchange | 207 | N |
| àIssuer | 106 | N |
| àEncodedIssuerLen | 348 | N |
| àEncodedIssuer | 349 | N |
| àSecurityDesc | 107 | N |
| àEncodedSecurityDescLen | 350 | N |
| àEncodedSecurityDesc | 351 | N |
| àPrevClosePx | 140 | N |
| àQuoteRequestType | 303 | N |
| àTradingSessionID | 336 | N |
| àSide | 54 | N |
| àOrderQty | 38 | N |
| àFutSettDate | 64 | N |
| àOrdType | 40 | N |
| àFutSettDate2 | 193 | N |
| àOrderQty2 | 192 | N |
| àExpireTime | 126 | N |
| àTransactTime | 60 | N |
| àCurrency | 15 | N |
| Name | Number | Required |
| QuoteReqID | 131 | N |
| QuoteID | 117 | Y |
| QuoteResponseLevel | 301 | N |
| TradingSessionID | 336 | N |
| Symbol | 55 | Y |
| SymbolSfx | 65 | N |
| SecurityID | 48 | N |
| IDSource | 22 | N |
| SecurityType | 167 | N |
| MaturityMonthYear | 200 | N |
| MaturityDay | 205 | N |
| PutOrCall | 201 | N |
| StrikePrice | 202 | N |
| OptAttribute | 206 | N |
| ContractMultiplier | 231 | N |
| CouponRate | 223 | N |
| SecurityExchange | 207 | N |
| Issuer | 106 | N |
| EncodedIssuerLen | 348 | N |
| EncodedIssuer | 349 | N |
| SecurityDesc | 107 | N |
| EncodedSecurityDescLen | 350 | N |
| EncodedSecurityDesc | 351 | N |
| BidPx | 132 | N |
| OfferPx | 133 | N |
| BidSize | 134 | N |
| OfferSize | 135 | N |
| ValidUntilTime | 62 | N |
| BidSpotRate | 188 | N |
| OfferSpotRate | 190 | N |
| BidForwardPoints | 189 | N |
| OfferForwardPoints | 191 | N |
| TransactTime | 60 | N |
| FutSettDate | 64 | N |
| OrdType | 40 | N |
| FutSettDate2 | 193 | N |
| OrderQty2 | 192 | N |
| Currency | 15 | N |
| Name | Number | Required |
| QuoteReqID | 131 | N |
| QuoteID | 117 | Y |
| QuoteCancelType | 298 | Y |
| QuoteResponseLevel | 301 | N |
| TradingSessionID | 336 | N |
| àSymbol | 55 | Y |
| àSymbolSfx | 65 | N |
| àSecurityID | 48 | N |
| àIDSource | 22 | N |
| àSecurityType | 167 | N |
| àMaturityMonthYear | 200 | N |
| àMaturityDay | 205 | N |
| àPutOrCall | 201 | N |
| àStrikePrice | 202 | N |
| àOptAttribute | 206 | N |
| àContractMultiplier | 231 | N |
| àCouponRate | 223 | N |
| àSecurityExchange | 207 | N |
| àIssuer | 106 | N |
| àEncodedIssuerLen | 348 | N |
| àEncodedIssuer | 349 | N |
| àSecurityDesc | 107 | N |
| àEncodedSecurityDescLen | 350 | N |
| àEncodedSecurityDesc | 351 | N |
| àUnderlyingSymbol | 311 | N |
| Name | Number | Required |
| QuoteID | 117 | N |
| Symbol | 55 | Y |
| SymbolSfx | 65 | N |
| SecurityID | 48 | N |
| IDSource | 22 | N |
| SecurityType | 167 | N |
| MaturityMonthYear | 200 | N |
| MaturityDay | 205 | N |
| PutOrCall | 201 | N |
| StrikePrice | 202 | N |
| OptAttribute | 206 | N |
| ContractMultiplier | 231 | N |
| CouponRate | 223 | N |
| SecurityExchange | 207 | N |
| Issuer | 106 | N |
| EncodedIssuerLen | 348 | N |
| EncodedIssuer | 349 | N |
| SecurityDesc | 107 | N |
| EncodedSecurityDescLen | 350 | N |
| EncodedSecurityDesc | 351 | N |
| Side | 54 | N |
| TradingSessionID | 336 | N |
| Name | Number | Required |
| MDReqID | 262 | Y |
| SubscriptionRequestType | 263 | Y |
| MarketDepth | 264 | Y |
| MDUpdateType | 265 | N |
| AggregatedBook | 266 | N |
| àMDEntryType | 269 | Y |
| àSymbol | 55 | Y |
| àSymbolSfx | 65 | N |
| àSecurityID | 48 | N |
| àIDSource | 22 | N |
| àSecurityType | 167 | N |
| àMaturityMonthYear | 200 | N |
| àMaturityDay | 205 | N |
| àPutOrCall | 201 | N |
| àStrikePrice | 202 | N |
| àOptAttribute | 206 | N |
| àContractMultiplier | 231 | N |
| àCouponRate | 223 | N |
| àSecurityExchange | 207 | N |
| àIssuer | 106 | N |
| àEncodedIssuerLen | 348 | N |
| àEncodedIssuer | 349 | N |
| àSecurityDesc | 107 | N |
| àEncodedSecurityDescLen | 350 | N |
| àEncodedSecurityDesc | 351 | N |
| àTradingSessionID | 336 | N |
| Name | Number | Required |
| MDReqID | 262 | Y |
| MDReqRejReason | 281 | N |
| Text | 58 | N |
| EncodedTextLen | 354 | N |
| EncodedText | 355 | N |
| Name | Number | Required |
| SecurityStatusReqID | 324 | Y |
| Symbol | 55 | Y |
| SymbolSfx | 65 | N |
| SecurityID | 48 | N |
| IDSource | 22 | N |
| SecurityType | 167 | N |
| MaturityMonthYear | 200 | N |
| MaturityDay | 205 | N |
| PutOrCall | 201 | N |
| StrikePrice | 202 | N |
| OptAttribute | 206 | N |
| ContractMultiplier | 231 | N |
| CouponRate | 223 | N |
| SecurityExchange | 207 | N |
| Issuer | 106 | N |
| EncodedIssuerLen | 348 | N |
| EncodedIssuer | 349 | N |
| SecurityDesc | 107 | N |
| EncodedSecurityDescLen | 350 | N |
| EncodedSecurityDesc | 351 | N |
| Currency | 15 | N |
| SubscriptionRequestType | 263 | Y |
| TradingSessionID | 336 | N |
| Name | Number | Required |
| SecurityStatusReqID | 324 | N |
| Symbol | 55 | Y |
| SymbolSfx | 65 | N |
| SecurityID | 48 | N |
| IDSource | 22 | N |
| SecurityType | 167 | N |
| MaturityMonthYear | 200 | N |
| MaturityDay | 205 | N |
| PutOrCall | 201 | N |
| StrikePrice | 202 | N |
| OptAttribute | 206 | N |
| ContractMultiplier | 231 | N |
| CouponRate | 223 | N |
| SecurityExchange | 207 | N |
| Issuer | 106 | N |
| EncodedIssuerLen | 348 | N |
| EncodedIssuer | 349 | N |
| SecurityDesc | 107 | N |
| EncodedSecurityDescLen | 350 | N |
| EncodedSecurityDesc | 351 | N |
| Currency | 15 | N |
| TradingSessionID | 336 | N |
| UnsolicitedIndicator | 325 | N |
| SecurityTradingStatus | 326 | N |
| FinancialStatus | 291 | N |
| CorporateAction | 292 | N |
| HaltReason | 327 | N |
| InViewOfCommon | 328 | N |
| DueToRelated | 329 | N |
| BuyVolume | 330 | N |
| SellVolume | 331 | N |
| HighPx | 332 | N |
| LowPx | 333 | N |