---
title: SecurityListRequest <x> message – FIX 5.0 SP1 – FIX Dictionary – Onix Solutions
description: SecurityListRequest <x> message – FIX 5.0 SP1 – FIX Dictionary – Onix Solutions
---

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# SecurityListRequest <x> message – 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 : SecurityListRequest <x> message Structure \| Related Messages Description The Security List Request message is used to return a list of securities from the counterparty that match criteria provided on the request Subscription for security status can be optionally specified by including the SubscriptionRequestType <263>[263] field on the message. SecurityListRequestType <559>[559] specifies the criteria of the request: 0 - Symbol <55> 1 - SecurityType <167> and/or CFICode <461> 2 - Product <460> 3 - TradingSessionID <336> 4 - All Securities The Security List Request may also be used to request a list of securities for a given market segment. Security List Request Structure Tag Field Name Req'd Comments Component Block - <StandardHeader> Y MsgType = x (lowercase X) 320 SecurityReqID Y 559 SecurityListRequestType Y Type of Security List Request being made Component Block - <Instrument> N Insert here the set of "Instrument" (symbology) fields defined in "Common Components of Application Messages" of the requested Security Component Block - <InstrumentExtension> N Insert here the set of "InstrumentExtension" fields defined in "Common Components of Application Messages" Component Block - <FinancingDetails> N Insert here the set of "FinancingDetails" fields defined in "Common Components of Application Messages" Component Block - <UndInstrmtGrp> N Number of underlyings Component Block - <InstrmtLegGrp> N Number of legs that make up the Security 15 Currency N 58 Text N Comment, instructions, or other identifying information. 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. 336 TradingSessionID N Optional Trading Session Identifier to specify a particular trading session for which you want to obtain a list of securities that are tradeable. 625 TradingSessionSubID N 263 SubscriptionRequestType N Subscribe or unsubscribe for security status to security specified in request. 1301 MarketID N Identifies the market which lists and trades the instrument. 1300 MarketSegmentID N Identifies the segment of the market to which the specify trading rules and listing rules apply. The segment may indicate the venue, whether retail or wholesale, or even segregation by nationality. Component Block - <StandardTrailer> Y Related Messages DerivativeSecurityListRequest <z> |
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