--- title: component block – FIX 5.0 – FIX Dictionary – Onix Solutions description: component block – FIX 5.0 – 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 – FIX Dictionary | Messages by MsgType \| Messages by Name \| Fields by Tag \| Fields by Name \| FIX 5.0 \| Home FIX 5.0 : component block Structure \| Used In Description The InstrumentExtension component block identifies additional security attributes that are more commonly found for Fixed Income securities. Structure Tag Field Name Req'd Comments 668 DeliveryForm N Identifies the form of delivery. 869 PctAtRisk N Percent at risk due to lowest possible call. Component Block - N Number of repeating InstrAttrib group entries. Used In TradeCaptureReportRequest Confirmation AllocationReport AllocationInstructionAlert SecurityDefinitionRequest SecurityDefinition SecurityStatusRequest SecurityStatus AllocationInstruction SecurityListRequest | | --- | | ![](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/compblock_instrumentextension.html#) [OnixS ](https://www.onixs.biz/) Menu --- --- [OnixS ](https://www.onixs.biz/) ### Search the site Search