--- title: component block – FIX 5.0 SP2 – FIX Dictionary – Onix Solutions description: component block – FIX 5.0 SP2 – 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 SP2 – FIX Dictionary | Messages by MsgType \| Messages by Name \| Fields by Tag \| Fields by Name \| FIX 5.0 SP2 \| Home FIX 5.0 SP2 : component block Structure \| Used In Description Structure Tag Field Name Req'd Comments Component Block - N This block specifies the rules for determining how a security ticks, i.e. the price increments at which it can be quoted and traded, depending on the current price of the security Component Block - N Specifies the lot types that are valid for trading. Component Block - N Specifies the price limits that are valid for trading. 827 ExpirationCycle N 562 MinTradeVol N The minimum order quantity that can be submitted for an order. 1140 MaxTradeVol N The maximum order quantity that can be submitted for a security. For listed derivatives this indicates the minimum quantity necessary for an order or trade to qualify as a block trade 1143 MaxPriceVariation N The maximum price variation of an execution from one event to the next for a given security. Expressed in absolute price terms. 1144 ImpliedMarketIndicator N 1245 TradingCurrency N Used when the trading currency can differ from the price currency 561 RoundLot N Trading lot size of security 1377 MultilegModel N Used for multileg security only. Defines whether the security is pre-defined or user-defined. Not that value = 2 (User-defined, Non-Securitized, Multileg) does not apply for Securities. 1378 MultilegPriceMethod N Used for multileg security only. Defines the method used when applying the multileg price to the legs. 423 PriceType N Defines the default Price Type used for trading. Used In MarketDefinition MarketDefinitionUpdateReport | | --- | | ![](https://www.onixs.biz/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.sp2/compblock_basetradingrules.html#) [OnixS ](https://www.onixs.biz/) Menu --- --- [OnixS ](https://www.onixs.biz/) ### Search the site Search