| CAccruedInterestCalculationMethod | Accrued interest Calculation Methods |
| CAggressorSide | |
| CAlgorithmicTradeIndicator | |
| CAlgorithmicTradeIndicator | |
| CAllowOneProductStrip | |
| CApplSeqResetIndicator | |
| CAuctionType | Exposes list of available auction types |
| CBookType | Exposes list of available book types |
| CBusinessDayType | Exposes list of available feed types |
| CCachedDepthIncrementalListener | Cached Depth Incremental listener |
| CCalculationMethodType | Exposes list of available calculation method types |
| CClosedBookIndicator | Exposes list of available closed book indicators |
| CCompletionIndicator | |
| CComplexInstrumentUpdateListener | Complex Instrument Update listener |
| CContractCycleSubType | |
| CContractCycleType | |
| CContractDisplayInstruction | |
| CContractFrequency | |
| CContractIdentificationEligibility | |
| CContractMonthType | |
| CConversionMode | |
| CConversionModeQualifier | |
| CCouponType | Coupon Types |
| CCoverIndicator | Cover Indicator |
| CCrossMatchInstruction | Cross Match Instruction |
| CCrossRequestListener | Cross Request listener |
| CCrossRequestType | |
| CCrossRequestType | |
| CDataContainer | |
| CDataSource | |
| CDecaySplit | Exposes list of available Decay splits |
| CDecimal | Decimal type for better precision |
| CDepositType | Deposit Type |
| CDepthListener | Depth listener |
| CDisableOnBookTrading | |
| CDisplayDayOfWeek | |
| CDisplaySeason | |
| CEmdiHandler | Eurex Enhanced Market Data Interface Handler |
| CEmdiHandlerManager | EMDI Handler Manager |
| CEmdsHandler | Eurex Extended Market Data Service Handler |
| CEobiHandler | Eurex Enhanced Order Book Interface Handler |
| CEobiHandlerManager | EOBI Handler Manager |
| CErrorCode | Known (selected) error codes |
| CErrorListener | |
| CEventType | |
| Cexception | STL class |
| CExchangeTradeListener | OTC trade listener |
| CExerciseStyle | |
| CExerciseStyle | |
| CFastMarketIndicator | |
| CFeedActivityListener | Provides notifications about feed activity events |
| CFeedDescriptor | Feed descriptor |
| CFeedEngine | The Feed Engine machinery |
| CFeedEngineThreadIdle | Identifies reasons feed engine threads becomes idle |
| CFeedEngineThreadPool | A pool of threads executing feed engine tasks |
| CFeedEngineThreadPoolListener | |
| CFeedEngineThreadPoolSettings | |
| CFeedType | Exposes list of available feed types |
| CField | Field primary attributes (tag and a reference to a value) |
| CFieldSet | |
| CFieldValueRef | |
| CFilteringTraits | Export/Import template instantiations |
| CFlatIndicator | Flat Indicators |
| CFlexibleInstrumentUpdateListener | Flexible Instrument Update listener |
| CGroup | |
| CHandlerSettings | Handler base configuration settings |
| CHandlerState | Defines the state that the handler is in |
| CHandlerStateListener | Status Listener |
| CIInterfaceDescriptorProvider | |
| CImpliedMarketIndicator | |
| CImpliedMarketIndicator | |
| CInputSource | |
| CInputSource | |
| CInstrumentAttributeType | |
| CInstrumentAuctionType | |
| CInstrumentPartyIDSource | |
| CInstrumentPartyRole | |
| CInstrumentPartyRoleQualifier | |
| CInstrumentScopeOperator | Exposes list of Instrument scope operators |
| CInstrumentStateChangeListener | Instrument State Change listener |
| CInstrumentType | Exposes list of available instrument types for tick rule |
| CInterfaceDescriptor | Interface descriptor |
| CLastFragment | |
| CLastFragment | |
| CLegSecurityIDSource | |
| CLegSecurityType | |
| CLegSecurityType | Exposes list of available leg security types |
| CLegSide | |
| CLegSide | Exposes list of leg sides |
| Cless< OnixS::Eurex::MarketData::StringRef > | Allows using of StringRef in collections like std::map |
| CListMethod | |
| CLogLevel | Log level |
| CLogSettings | Logging options |
| CMarketCondition | |
| CMarketCondition | Indicator for stressed market conditions |
| CMarketDataType | |
| CMarketDepthTraits | Export/Import template instantiations |
| CMarketImbalanceIndicator | Exposes list of available market imbalance indicators |
| CMarketSegmentRelationship | Exposes list of available market segment relationship types |
| CMarketSegmentStatus | Exposes list of available market segment statuses |
| CMarketSegmentSubType | Exposes list of available market segment subtypes |
| CMarketSegmentType | Exposes list of available market segment types |
| CMassInstrumentStateChangeListener | Mass Instrument State Change listener |
| CMassMarketCondition | |
| CMassSoldOutIndicator | |
| CMatchAlgorithm | Exposes list of available match algorithms |
| CMatchSubType | |
| CMatchType | |
| CMatchType | Exposes list of available match types |
| CMaturityFrequencyUnit | |
| CMDEntryType | |
| CMDEntryType | Exposes list of available entry types |
| CMdiHandler | Eurex Market Data Interface Handler |
| CMdiHandlerManager | EMDI Handler Manager |
| CMDOriginType | |
| CMDOriginType | Exposes list of available origin types |
| CMDReportEvent | |
| CMDUpdateAction | |
| CMDUpdateAction | Exposes list of available update actions |
| CMessageListener | Auxiliary messages listener |
| CMessageStringingFlag | Contains flags which affect FIX message textual presentation |
| CMidpointTrading | |
| CMonth | Defines all the months in the year |
| CMultilegModel | |
| CMultiLegPriceModel | |
| CMultiLegPriceModel | MultiLegPriceModel |
| CMultiLegReportingType | |
| CMultiLegReportingType | MultiLegReportingType |
| CNetFeedEngineProcessResult | Designed to reflect various aspects of feed engine processing flow |
| CNetFeedRole | Feed roles (primary, secondary) |
| CNetFeedType | Feed types based on type of market data service |
| CNoMarketSegments | |
| CNumber | Helper class for conversion from string to number |
| CONIXS_ILINK3StaticAssert< bool > | |
| CONIXS_ILINK3StaticAssert< true > | |
| COpenInterestListener | Open interest listener |
| COrderBook | |
| COrderBook | |
| COrderBookListener | Order Book listener |
| COrderBookListener | Order Book listener |
| COrderDataListener | |
| COrderInfo | |
| COrderType | |
| COrdType | |
| CPacketListener | Product State Change listener |
| CPostTradeAnonymityType | |
| CPotentialSecurityTradingEvent | |
| CPriceLevel | Encapsulates price level concept |
| CPriceLevel | Encapsulates price level concept |
| CPriceLevelCollections | Miscellaneous traits for PriceLevel class |
| CPriceLevelCollections | Miscellaneous traits for PriceLevel class |
| CPriceNotation | |
| CPriceType | |
| CProductComplex | |
| CProductInfo | Product information |
| CProductStateChangeListener | Product State Change listener |
| CPutOrCall | |
| CPutOrCall | |
| CQuoteCondition | |
| CQuoteRequestListener | Quote Request listener |
| CQuoteSideIndicator | Exposes list of available Quote side indicators |
| CQuoteSideModelType | Exposes list of available quote side model types |
| CReferenceDataListener | |
| CReferenceDataListener | Reference data listener |
| CRefreshIndicator | Exposes list of available sub book types |
| CRelatedPriceType | |
| CRelatedPriceType | |
| CReplayListener | Listening interface for log replay-related events |
| CReplayMode | Logging options |
| CReplayOptions | Defines params which affect replay |
| CScaledSimpleInstrumentUpdateListener | Scaled Simple Instrument Update Listener |
| CSecurityClassificationReasonType | |
| CSecurityClassificationValueType | |
| CSecurityIDSource | |
| CSecurityMassStatus | |
| CSecurityMassTradingEvent | |
| CSecurityMassTradingStatus | |
| CSecurityStatus | |
| CSecurityStatus | Exposes list of available security statuses |
| CSecurityTradingEvent | |
| CSecurityTradingEvent | |
| CSecurityTradingStatus | |
| CSecurityTradingStatus | Exposes list of available security trading statuses |
| CSecurityType | |
| CSecurityType | Exposes list of available security types |
| CSecurityUpdateAction | |
| CSecurityUpdateAction | |
| CSemaphore | Semaphore |
| CServiceDescriptor | Service endpoint description |
| CSettlementListener | Settlement listener |
| CSettlMethod | |
| CSettlMethod | |
| CSettlPriceType | Exposes list of available settlement supplements |
| CSettlSubMethod | |
| CSide | |
| CSide | Exposes list of available aggressor sides |
| CSnapshotListener | |
| CSoldOutIndicator | |
| CSoldOutIndicator | Exposes list of available sold out indicators |
| CStateChangeListener | |
| CStringRef | |
| CSubBookType | Exposes list of available sub book types |
| CTESSecurityMassStatus | |
| CTESSecurityStatus | |
| CTESTradSesStatus | |
| CThisThread | Current thread related tasks |
| CThreadAffinity | Represents set of CPU indices |
| CTimeSpan | |
| CTimeSpanFormats | Time span formats supported |
| CTimestamp | Represents timestamp without time-zone information |
| CTimestampFormat | Collection of timestamp formats supported |
| CTopOfBookImpliedListener | Top Of Book Implied listener |
| CTrade< TTradeEntry > | Trade |
| CTrade< MDIncrementalEntry > | |
| CTrade< MDSnapshotEntry > | |
| CTradeCondition | Indicates whether a synthetic match is occurred |
| CTradeCondition | Exposes list of available trade conditions |
| CTradeConditionSet | |
| CTradeDataListener | |
| CTradeListener | Trade listener |
| CTradingSessionID | |
| CTradingSessionId | Exposes list of available trading session IDs |
| CTradingSessionSubID | |
| CTradingSessionSubID | Exposes list of available trading session sub IDs |
| CTradingStyle | |
| CTradingStyle | |
| CTradSesEvent | |
| CTradSesStatus | |
| CTradSesStatus | Exposes list of available trade session statuses |
| CTrdType | |
| CTrdType | Exposes list of available trade types |
| CUSApproval | Exposes list of available market segment types |
| CValuationMethod | |
| CWarningListener | Warning listener |
| CWarrantType | |
| CWatchService | Abstract watch service |
| CYearMonthDay | Year, month, day fields |