--- 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 146 NoRelatedSym Y Number of related symbols (instruments) in Request => Component Block - Y Insert here the set of "Instrument" (symbology) fields defined in "Common Components of Application Messages" => Component Block - N => Component Block - N => 140 PrevClosePx N Useful for verifying security identification => 303 QuoteRequestType N Indicates the type of Quote Request (e.g. Manual vs. Automatic) being generated. => 537 QuoteType N Type of quote being requested from counterparty or market (e.g. Indicative, Firm, or Restricted Tradeable) => 336 TradingSessionID N => 625 TradingSessionSubID N Used In RFQRequest | | --- | | ![](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. By continuing to use our site you accept that you agree to this. For more details see our [Cookie usage, and Data Privacy and Protection Policies](https://www.onixs.biz/cookies-and-privacy.html). [Ok](https://www.onixs.biz/fix-dictionary/5.0.sp1/compblock_rfqreqgrp.html#) [OnixS ](https://www.onixs.biz/) Menu --- --- [OnixS ](https://www.onixs.biz/) ### Search the site Search