--- title: MaturityDay <205> field – FIX 4.4 – FIX Dictionary – Onix Solutions description: MaturityDay <205> field – FIX 4.4 – FIX Dictionary – Onix Solutions --- ![Dictionary icon](https://www.onixs.biz/hubfs/SIC_website_2020/images/interface/img-icon-book.svg) # MaturityDay <205> field – FIX 4.4 – FIX Dictionary | Messages by MsgType \| Messages by Name \| Fields by Tag \| Fields by Name \| FIX 4.4 \| Home FIX 4.4 : MaturityDay <205> field Type: DayOfMonth Used In Description No longer used as of FIX 4.3. Included here for reference to prior versions. *** REPLACED FIELD - See Appendix 6-F: 2.Replaced Fields: MaturityDay (tag 205) and UnderlyingMaturityDay (tag 314) [Replaced in FIX 4.3] *** Day of month used in conjunction with MaturityMonthYear <200> to specify the maturity date for SecurityType <167>="FUT"(replaced) or "OPT"(replaced). Valid values: 1-31 Used In | | --- | | ![](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/4.4/tagnum_205.html#) [OnixS ](https://www.onixs.biz/) Menu --- --- [OnixS ](https://www.onixs.biz/) ### Search the site Search