---
title: "FIX 5.0 SP2 EP292: <LegOptionExerciseExpiration> component block – FIX Dictionary – Onix Solutions"
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# <LegOptionExerciseExpiration> component block

## FIX 5.0 SP2 EP292

### Description

 The LegOptionExerciseExpiration component is a subcomponent of the LegOptionExercise component used to specify option exercise expiration dates and times. The purpose of LegOptionExercise is to identify the scheduled opportunities for exercise. LegOptionExerciseExpiration identifies the end of the schedule.

### Structure

| Tag | Field Name | Req'd | Comments |
| --- | --- | --- | --- |
| 41517 | [LegOptionExerciseExpirationDateBusinessDayConvention](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep292/tagNum_41517.html) | N | When specified, this overrides the business day convention defined in the LegDateAdjustment component in InstrumentLeg. The specified values would be specific to the option exercise expiration date. |
| [Component Block - <LegOptionExerciseExpirationDateBusinessCenterGrp>](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep292/compBlock_LegOptionExerciseExpirationDateBusinessCenterGrp.html) | N | When specified, this overrides the business centers defined in the LegDateAdjustment component in InstrumentLeg. The specified values would be specific to the option exercise expiration date. |  |
| [Component Block - <LegOptionExerciseExpirationDateGrp>](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep292/compBlock_LegOptionExerciseExpirationDateGrp.html) | N |  |  |
| 41518 | [LegOptionExerciseExpirationDateRelativeTo](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep292/tagNum_41518.html) | N |  |
| 41519 | [LegOptionExerciseExpirationDateOffsetPeriod](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep292/tagNum_41519.html) | N | Conditionally required when [LegOptionExerciseExpirationDateOffsetUnit <41520>](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep292/tagNum_41520.html) is specified. |
| 41520 | [LegOptionExerciseExpirationDateOffsetUnit](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep292/tagNum_41520.html) | N | Conditionally required when [LegOptionExerciseExpirationDateOffsetPeriod <41519>](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep292/tagNum_41519.html) is specified. |
| 41521 | [LegOptionExerciseExpirationFrequencyPeriod](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep292/tagNum_41521.html) | N | Conditionally required when [LegOptionExerciseExpirationFrequencyUnit <41522>](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep292/tagNum_41522.html) is specified. |
| 41522 | [LegOptionExerciseExpirationFrequencyUnit](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep292/tagNum_41522.html) | N | Conditionally required when [LegOptionExerciseExpirationFrequencyPeriod <41521>](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep292/tagNum_41521.html) is specified. |
| 41523 | [LegOptionExerciseExpirationRollConvention](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep292/tagNum_41523.html) | N | When specified, this overrides the date roll convention defined in the LegDateAdjustment component in InstrumentLeg. The specified values would be specific to this instance of the option expiration date. |
| 41524 | [LegOptionExerciseExpirationDateOffsetDayType](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep292/tagNum_41524.html) | N |  |
| 41525 | [LegOptionExerciseExpirationTime](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep292/tagNum_41525.html) | N |  |
| 41526 | [LegOptionExerciseExpirationTimeBusinessCenter](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep292/tagNum_41526.html) | N |  |

### Used In

- [<LegOptionExercise>](https://www.onixs.biz/fix-dictionary/5.0.sp2.ep292/compBlock_LegOptionExercise.html)

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