--- title: component block – FIX 5.0 SP1 – FIX Dictionary – Onix Solutions description: component block – FIX 5.0 SP1 – FIX Dictionary – Onix Solutions --- ![Dictionary icon](https://www.onixs.biz/hubfs/SIC_website_2020/images/interface/img-icon-book.svg) # component block – FIX 5.0 SP1 – FIX Dictionary | Messages by MsgType \| Messages by Name \| Fields by Tag \| Fields by Name \| FIX 5.0 SP1 \| Home FIX 5.0 SP1 : component block Structure \| Used In Description Structure Tag Field Name Req'd Comments 268 NoMDEntries Y Number of entries following. => 269 MDEntryType Y Must be the first field in this repeating group. => 270 MDEntryPx N Conditionally required if MDEntryType is not Imbalance(A) ), Trade Volume (B), or Open Interest(C); Conditionally required when MDEntryType = "auction clearing price" => 15 Currency N Can be used to specify the currency of the quoted price. => 271 MDEntrySize N Conditionally required if MDEntryType = Bid(0), Offer(1), Trade(2) ), Trade Volume (B), or Open Interest(C) conditionally required when MDEntryType = "auction clearing price" => 272 MDEntryDate N => 273 MDEntryTime N => 274 TickDirection N => 275 MDMkt N Market posting quote / trade. Valid values: See Volume 6: Appendix 6-C => 336 TradingSessionID N => 625 TradingSessionSubID N => 276 QuoteCondition N Space-delimited list of conditions describing a quote. => 277 TradeCondition N Space-delimited list of conditions describing a trade => 282 MDEntryOriginator N => 283 LocationID N => 284 DeskID N => 286 OpenCloseSettlFlag N Used if MDEntryType = Opening Price(4), Closing Price(5), or Settlement Price(6). => 59 TimeInForce N For optional use when this Bid or Offer represents an order => 432 ExpireDate N For optional use when this Bid or Offer represents an order. ExpireDate and ExpireTime cannot both be specified in one Market Data Entry. => 126 ExpireTime N For optional use when this Bid or Offer represents an order. ExpireDate and ExpireTime cannot both be specified in one Market Data Entry. => 110 MinQty N For optional use when this Bid or Offer represents an order => 18 ExecInst N Can contain multiple instructions, space delimited. => 287 SellerDays N => 37 OrderID N For optional use when this Bid, Offer, or Trade represents an order => 299 QuoteEntryID N For optional use when this Bid, Offer, or Trade represents a quote => 288 MDEntryBuyer N For optional use in reporting Trades => 289 MDEntrySeller N For optional use in reporting Trades => 346 NumberOfOrders N In an Aggregated Book, used to show how many individual orders make up an MDEntry => 290 MDEntryPositionNo N Display position of a bid or offer, numbered from most competitive to least competitive, per market side, beginning with 1 => 546 Scope N => 811 PriceDelta N => 58 Text N Text to describe the Market Data Entry. Part of repeating group. => 354 EncodedTextLen N Must be set if EncodedText field is specified and must immediately precede it. => 355 EncodedText N Encoded (non-ASCII characters) representation of the Text field in the encoded format specified via the MessageEncoding field. => 1023 MDPriceLevel N Display position of a bid or offer, numbered from most competitive to least competitive, per market side, beginning with 1 => 528 OrderCapacity N Designates the capacity of the firm placing the order => 1024 MDOriginType N => 332 HighPx N Used to report high price in association with trade, bid or ask rather than a separate entity => 333 LowPx N Used to report low price in association with trade, bid or ask rather than a separate entitty => 1020 TradeVolume N Used to report trade volume in association with trade, bid or ask rather than a separate entity => 63 SettlType N => 64 SettlDate N => 1070 MDQuoteType N => 83 RptSeq N Used to identify the sequence number within a feed type => 1048 DealingCapacity N Identifies role of dealer; Agent, Principal, RisklessPrincipal => 1026 MDEntrySpotRate N => 1027 MDEntryForwardPoints N => 278 MDEntryID N Conditionally required when maintaining an order-depth book, that is, when AggregatedBook (266) is "N". allows subsequent Incremental changes to be applied using MDEntryID. => Component Block - N => 198 SecondaryOrderID N For optional use to support Hit/Take (selecting a specific order from the feed) without disclosing a private order id. => 40 OrdType N Used to support market mechanism type; limit order, market order, committed principal order => 423 PriceType N => Component Block - N Insert here the set of YieldData (yield-related) fields defined in "Common Components of Application Messages => Component Block - N Insert here the set of SpreadOrBenchmarkCurveData (Fixed Income spread or benchmark curve) fields defined in Common Components of Application Messages => Component Block - N => 1093 LotType N Can be used to specify the lot type of the quoted size in order depth books. => 326 SecurityTradingStatus N => 327 HaltReason N Used In MarketDataSnapshotFullRefresh | | --- | | ![](https://www.onixs.biz/hs-fs/hubfs/fix-dictionary/img/spacer.gif?height=5&name=spacer.gif) | - Follow OnixS - [Follow us on Twitter ](https://twitter.com/onixsbiz) - [Connect with us on LinkedIn ](https://www.linkedin.com/company/onix-solutions/) We track how people interact with our online web content and resources, and some of that tracking involves storing cookies on your device. 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