- i -

• Implied : MDSubBookType
• ImpliedInOut : ImpliedMarketIndicator
• In : Direction
• IncorrectNumInGroupCount : SessionRejectReason
• Indicative : QuoteType
• IndividualLegOfAMultilegSecurity : MultiLegReportingType
• Info : LogLevel
• InquireEnrichmentRuleIdListRequest : TemplateId
• InquireEnrichmentRuleIdListResponse : TemplateId
• InquireMarginBasedRiskLimitRequest : TemplateId
• InquireMarginBasedRiskLimitResponse : TemplateId
• InquireMMParameterRequest : TemplateId
• InquireMMParameterResponse : TemplateId
• InquirePreTradeRiskLimitsRequest : TemplateId
• InquireSessionListRequest : TemplateId
• InquireSessionListResponse : TemplateId
• InquireUserRequest : TemplateId
• InquireUserResponse : TemplateId
• InstrumentDeletion : DeleteReason , ReversalCancellationReason
• InstrumentStateChange : ExecRestatementReason
• InstrumentStateFreeze : QuoteEntryRejectReason
• InstrumentSuspended : MassActionReason
• InstrumentSuspension : DeleteReason , ReversalCancellationReason
• InternalConnectionLoss : MassActionReason
• InternalTechnicalError : SessionRejectReason
• InterProductSpread : ProductComplex , RelatedProductComplex
• IntradayAuction : MatchSubType
• IntradayExpiration : DeleteReason , ReversalCancellationReason
• InvalidMsgID : SessionRejectReason
• InvalidPrice : QuoteEntryRejectReason , QuoteEventReason
• InvalidQuoteSpread : QuoteEntryRejectReason
• InvalidQuoteType : QuoteEntryRejectReason
• InvalidQuotingModel : QuoteEntryRejectReason
• InvalidSize : QuoteEntryRejectReason
• InvalidUnderlyingPrice : QuoteEntryRejectReason
• IOC : TimeInForce
• IOCOrderCancelled : ExecRestatementReason