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• IlliquidAsDefinedByExchange : InstrumentAttributeType
• Imbalance : MDEntryType
• IMMMonth : ContractMonthType
• ImpliedInOut : ImpliedMarketIndicator
• ImpliedTrade : TradeCondition
• Inactive : SecurityMassStatus , SecurityStatus , TESSecurityMassStatus , TESSecurityStatus , MarketSegmentStatus , SecurityStatus
• Include : InstrumentScopeOperator
• IncludeFieldName : MessageStringingFlag
• IncludeFieldTagNumber : MessageStringingFlag
• Incomplete : CompletionIndicator
• Incremental : NetFeedType
• IndexationCoefficient : InstrumentAttributeType
• IndividualLeg : MultiLegReportingType
• IndividualLegOfMultiLegSecurity : MultiLegReportingType
• Info : LogLevel
• Initial : ConversionMode
• InterProductSpread : ProductComplex , InstrumentType , MarketSegmentSubType
• Intraday : CoverIndicator
• IntradayAuction : MatchSubType , MDEntryType , SecurityMassTradingStatus , SecurityTradingStatus
• IntradayAuctionFreeze : SecurityMassTradingStatus , SecurityTradingStatus
• IntradayAuctionTrade : TrdType
• InvestmentFunds : SecurityType
• IPOAuction : MatchSubType , MDEntryType , SecurityMassTradingStatus , SecurityTradingStatus
• IPOAuctionFreeze : SecurityMassTradingStatus , SecurityTradingStatus
• IPOAuctionTrade : TrdType
• IPSImpliedVolumeWithoutQuantityRestriction : SubBookType
• IPSImpliedVolumeWithQuantityRestriction : SubBookType
• IssuerBusinessUnit : InstrumentAttributeType
• IssuerName : InstrumentAttributeType
• IssuerNumber : InstrumentAttributeType