--- title: IOI <6> message – FIX 5.0 SP1 – FIX Dictionary – Onix Solutions description: IOI <6> message – FIX 5.0 SP1 – FIX Dictionary – Onix Solutions --- ![Dictionary icon](https://www.onixs.biz/hubfs/SIC_website_2020/images/interface/img-icon-book.svg) # IOI <6> message – FIX 5.0 SP1 – FIX Dictionary | Messages by MsgType \| Messages by Name \| Fields by Tag \| Fields by Name \| FIX 5.0 SP1 \| Home FIX 5.0 SP1 : IOI <6> message Structure \| Related Messages Description Indication of interest messages are used to market merchandise which the broker is buying or selling in either a proprietary or agency capacity. The indications can be time bound with a specific expiration value. Indications are distributed with the understanding that other firms may react to the message first and that the merchandise may no longer be available due to prior trade. Indication messages can be transmitted in various transaction types; NEW, CANCEL, and REPLACE. All message types other than NEW modify the state of the message identified in IOIRefID <26>. Structure Tag Field Name Req'd Comments Component Block - Y MsgType <35> = 6 Component Block - N 23 IOIID Y 28 IOITransType Y 26 IOIRefID N Required for Cancel and Replace IOITransType <28> messages Component Block - Y Insert here the set of (symbology) fields Component Block - N Insert here the set of (firm identification) fields Component Block - N Insert here the set of fields Component Block - N Number of underlyings 54 Side Y Side of Indication Valid values: 1 = Buy 2 = Sell 7 = Undisclosed (for IOIs) B = As Defined (for multilegs) C = Opposite (for multilegs) 854 QtyType N Component Block - N Insert here the set of fields The value zero is used if NoLegs <555> repeating group is used Applicable if needed to express CashOrder Qty <152> 27 IOIQty Y The value zero is used if NoLegs <555> repeating group is used 15 Currency N Component Block - N Insert here the set of fields Component Block - N Required for multileg IOIs 423 PriceType N 44 Price N 62 ValidUntilTime N 25 IOIQltyInd N 130 IOINaturalFlag N Component Block - N Required if any IOIQualifiers are specified. Indicates the number of repeating IOIQualifiers. 58 Text N 354 EncodedTextLen N Must be set if EncodedText <355> field is specified and must immediately precede it. 355 EncodedText N Encoded (non-ASCII characters) representation of the Text <58> field in the encoded format specified via the MessageEncoding <347> field. 60 TransactTime N 149 URLLink N A URL (Uniform Resource Locator) link to additional information (i.e. https://en.wikipedia.org/wiki/URL) Component Block - N Required if any RoutingType <216> and RoutingIDs <217> are specified. Indicates the number within repeating group. Component Block - N Insert here the set of (Fixed Income spread or benchmark curve) fields Component Block - N Component Block - Y Related Messages QuoteResponse NewOrderSingle | | --- | | ![](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.sp1/msgtype_6_6.html#) [OnixS ](https://www.onixs.biz/) Menu --- --- [OnixS ](https://www.onixs.biz/) ### Search the site Search