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6 Indication of Interest

This message is 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 trades.

Various transaction types are available: "new", "cancel", and "replace". "Cancel" and "replace" both modify the state of the message specified by IOIRefID (26).

Structure

TagNameTypeRequiredDescription
Component
Required
23String
Required
28Char Enum
Required
26StringRequired for Cancel and Replace IOITransType messages
55String
Required
65String
48String
22String Enum
167String EnumMust be specified if a Future or Option. If a Future: Symbol, SecurityType, and MaturityMonthYear are required. If an Option: Symbol, SecurityType, MaturityMonthYear, PutOrCall, and StrikePrice are required
200MonthYearSpecifies the month and year of maturity. Required if MaturityDay is specified
205DayOfMonthCan be used in conjunction with MaturityMonthYear to specify a particular maturity date
201Int EnumFor Options
202PriceFor Options
206CharFor Options
231FloatFor Fixed Income, Convertible Bonds, Derivatives, etc. Note: If used, quantities should be expressed in the "nominal" (e.g. contracts vs. shares) amount
223FloatFor Fixed Income
207ExchangeCan be used to identify the security
106String
348IntMust be set if EncodedIssuer field is specified and must immediately precede it
349DataEncoded (non-ASCII characters) representation of the Issuer field in the encoded format specified via the MessageEncoding field
107String
350IntMust be set if EncodedSecurityDesc field is specified and must immediately precede it
351DataEncoded (non-ASCII characters) representation of the SecurityDesc field in the encoded format specified via the MessageEncoding field
54Char Enum
Required
Side of Indication Valid values: 1 = Buy 2 = Sell 7 = Undisclosed (for IOIs)
27String Enum
Required
44Price
15Currency
62UTCTimestamp
25Char Enum
130Boolean Enum
ComponentRequired if any IOIQualifiers are specified. Indicates the number of repeating IOIQualifiers
58String
354IntMust be set if EncodedText field is specified and must immediately precede it
355DataEncoded (non-ASCII characters) representation of the Text field in the encoded format specified via the MessageEncoding field
60UTCTimestamp
149StringA URL (Uniform Resource Locator) link to additional information, e.g. https://www.example.com
ComponentRequired if any RoutingType and RoutingIDs are specified. Indicates the number within repeating group
218PriceOffsetFor Fixed Income
219Char EnumFor Fixed Income
Component
Required