--- 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 428 NoStrikes Y Number of strike price entries => Component Block - Y Insert here the set of "Instrument" (symbology) fields defined in "Common Components of Application Messages" Required if NoStrikes > 0. Must be first field in repeating group. => Component Block - N Underlying Instruments => 140 PrevClosePx N Useful for verifying security identification => 11 ClOrdID N Can use client order identifier or the symbol and side to uniquely identify the stock in the list. => 526 SecondaryClOrdID N => 54 Side N => 44 Price N => 15 Currency N => 58 Text N => 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. Used In ListStrikePrice | | --- | | ![](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_instrmtstrkpxgrp.html#) [OnixS ](https://www.onixs.biz/) Menu --- --- [OnixS ](https://www.onixs.biz/) ### Search the site Search