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title: "FIX 5.0 SP2 EP299: <BaseTradingRules> component block – FIX Dictionary – Onix Solutions"
description: "<meta name=\"description\" content=\"&lt;BaseTradingRules&gt; component block &ndash; FIX 5.0 SP2 EP299, FIX protocol version FIX 5.0 SP2 EP299\" /> <meta name=\"keywords\" content=\"component block, BaseTradingRules, FIX 5.0 SP2 EP299, FIX Protocol, FIX dictionary\" />"
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# <BaseTradingRules> component block

## FIX 5.0 SP2 EP299

### Description

 Trading rules that are applicable to a market, market segment or individual security independent of a trading session.

### Structure

| Tag | Field Name | Req'd | Comments |
| --- | --- | --- | --- |
| [Component Block - <TickRules>](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/compBlock_TickRules.html) | 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 - <LotTypeRules>](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/compBlock_LotTypeRules.html) | N | Specifies the lot types that are valid for trading. |  |
| [Component Block - <PriceLimits>](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/compBlock_PriceLimits.html) | N | Specifies the price limits that are valid for trading. |  |
| [Component Block - <PriceRangeRuleGrp>](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/compBlock_PriceRangeRuleGrp.html) | N | Specifies the valid price range tables for trading. |  |
| [Component Block - <QuoteSizeRuleGrp>](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/compBlock_QuoteSizeRuleGrp.html) | N | Specifies the valid quote sizes for trading. |  |
| 827 | [ExpirationCycle](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/tagNum_827.html) | N |  |
| 1786 | [TradeVolType](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/tagNum_1786.html) | N |  |
| 562 | [MinTradeVol](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/tagNum_562.html) | N | The minimum order quantity that can be submitted for an order. |
| 1140 | [MaxTradeVol](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/tagNum_1140.html) | 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](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/tagNum_1143.html) | 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](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/tagNum_1144.html) | N |  |
| 1245 | [TradingCurrency](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/tagNum_1245.html) | N | Used when the trading currency can differ from the price currency |
| 2934 | [TradingCurrencyCodeSource](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/tagNum_2934.html) | N |  |
| 561 | [RoundLot](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/tagNum_561.html) | N | Trading lot size of security |
| 1377 | [MultilegModel](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/tagNum_1377.html) | 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](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/tagNum_1378.html) | N | Used for multileg security only. Defines the method used when applying the multileg price to the legs. |
| 423 | [PriceType](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/tagNum_423.html) | N | Defines the default Price Type used for trading. |
| 2557 | [FastMarketPercentage](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/tagNum_2557.html) | N | Can be used as a factor to be applied to other base trading rules during a fast market, e.g. to widen price or size ranges by the specified percentage factor. |
| 2559 | [QuoteSideIndicator](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/tagNum_2559.html) | N |  |

### Used In

- [<SecurityTradingRules>](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/compBlock_SecurityTradingRules.html)
- [MarketDefinition <BU>](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/msgType_BU_6685.html)
- [MarketDefinitionUpdateReport <BV>](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep299/msgType_BV_6686.html)

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