---
title: "FIX 5.0 SP2 EP299: MarketDataSnapshotFullRefresh <W> message – FIX Dictionary – Onix Solutions"
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# MarketDataSnapshotFullRefresh <W> message

## FIX 5.0 SP2 EP299

### Description

 The Market Data messages are used as the response to a Market Data Request message. In all cases, one Market Data message refers only to one Market Data Request. It can be used to transmit a 2-sided book of orders or list of quotes, a list of trades, index values, opening, closing, settlement, high, low, or VWAP prices, the trade volume or open interest for a security, or any combination of these.

 Market Data messages sent as the result of a Market Data Request message will specify the appropriate [MDReqID <262>](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/tagNum_262.html). Unsolicited Market Data messages can be sent; in such cases, [MDReqID <262>](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/tagNum_262.html) will not be present.

 Market Data messages include many fields, and not all are required to be used. A firm may, at its option, choose to send the minimum fields required, or may choose to send more information, such as tick direction, tagging of best quotes, etc.

### Structure

| Tag | Field Name | Req'd | Comments |
| --- | --- | --- | --- |
| [Component Block - <StandardHeader>](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/compBlock_StandardHeader.html) | Y | [MsgType <35>](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/tagNum_35.html) = W |  |
| [Component Block - <ApplicationSequenceControl>](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/compBlock_ApplicationSequenceControl.html) | N |  |  |
| 911 | [TotNumReports](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/tagNum_911.html) | N | Total number or reports returned in response to a request. |
| 963 | [MDReportID](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/tagNum_963.html) | N | Unique identifier for Market Data Report |
| 715 | [ClearingBusinessDate](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/tagNum_715.html) | N |  |
| 1021 | [MDBookType](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/tagNum_1021.html) | N | Describes the type of book for which the feed is intended. Can be used when multiple feeds are provided over the same connection |
| 1173 | [MDSubBookType](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/tagNum_1173.html) | N | Can be used to define a subordinate book. |
| 264 | [MarketDepth](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/tagNum_264.html) | N | Can be used to define the current depth of the book. |
| 1022 | [MDFeedType](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/tagNum_1022.html) | N | Describes a class of service for a given data feed, ie Regular and Market Maker |
| 1683 | [MDSubFeedType](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/tagNum_1683.html) | N |  |
| 1187 | [RefreshIndicator](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/tagNum_1187.html) | N |  |
| 75 | [TradeDate](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/tagNum_75.html) | N | Used to specify the trading date for which a set of market data applies |
| 262 | [MDReqID](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/tagNum_262.html) | N | Conditionally required if this message is in response to a Market Data Request. |
| 1500 | [MDStreamID](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/tagNum_1500.html) | N |  |
| 1301 | [MarketID](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/tagNum_1301.html) | N |  |
| 1300 | [MarketSegmentID](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/tagNum_1300.html) | N |  |
| [Component Block - <Instrument>](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/compBlock_Instrument.html) | Y | Insert here the set of "Instrument" (symbology) fields defined in "Common Components of Application Messages" |  |
| [Component Block - <InstrumentExtension>](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/compBlock_InstrumentExtension.html) | N |  |  |
| [Component Block - <FinancingDetails>](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/compBlock_FinancingDetails.html) | N |  |  |
| [Component Block - <UndInstrmtGrp>](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/compBlock_UndInstrmtGrp.html) | N | Number of underlyings |  |
| [Component Block - <InstrmtLegGrp>](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/compBlock_InstrmtLegGrp.html) | N | Required for multileg quotes |  |
| [Component Block - <RelatedInstrumentGrp>](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/compBlock_RelatedInstrumentGrp.html) | N |  |  |
| 779 | [LastUpdateTime](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/tagNum_779.html) | Y |  |
| 291 | [FinancialStatus](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/tagNum_291.html) | N |  |
| 292 | [CorporateAction](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/tagNum_292.html) | N |  |
| 451 | [NetChgPrevDay](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/tagNum_451.html) | N |  |
| 1682 | [MDSecurityTradingStatus](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/tagNum_1682.html) | N |  |
| 1684 | [MDHaltReason](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/tagNum_1684.html) | N |  |
| [Component Block - <MDFullGrp>](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/compBlock_MDFullGrp.html) | Y | Number of entries following. |  |
| 813 | [ApplQueueDepth](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/tagNum_813.html) | N | Depth of application messages queued for transmission as of delivery of this message |
| 814 | [ApplQueueResolution](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/tagNum_814.html) | N | Action taken to resolve application queuing |
| [Component Block - <RoutingGrp>](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/compBlock_RoutingGrp.html) | N |  |  |
| [Component Block - <StandardTrailer>](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/compBlock_StandardTrailer.html) | Y |  |  |

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