Overview
The <Instrument> component block consists of tags that are required to uniquely identify an instrument.
Using the FIX Tag Directory
- Context – Select to filter by context (e.g., “Order routing, FIX client to TT FIX”, “Request by security ID”, “TT Premium Order Types”). Only tags available for the selected context will be displayed.
- Show Comments – Select to display text in the Comments column of the table. Clear to display a condensed table without text in the Comments column.
- Flat tag list – Select to display all tags for the selected context in one list. Clear to display all tags for the selected context separated by component (e.g., Header, Instrument, Parties)
An asterisk (*) on the tag number button indicates that it appears in the table more than once for the selected context.
| Tag | Name | Type | Required | Comments |
|---|---|---|---|---|
| 48 | SecurityID | STRING | Y | ID that uniquely identifies an instrument. Must match one of the IDs provided in response to the Security Definition Request (c) made at connection initiation. |
| 48 | SecurityID | STRING | Y | ID that uniquely identifies an instrument. Must match one of the IDs provided in response to the Security Definition Request (c) made at connection initiation. |
| 55 | Symbol | STRING | C Not used when Tag 167 (SecurityType)=MLEG. | Exchange-provided product symbol for the tradable product. Note: The instrument name that displayed on the TT front end is a combination of the values provided in tag 55 (Symbol) and tag 541 (MaturityDate). For example, if tag 55 = ABC and tag 541 = 20260215, the TT front end will show ABC Feb26. |
| 55 | Symbol | STRING | C Not used when Tag 167 (SecurityType)=MLEG. | Exchange-provided product symbol for the tradable product. Note: The instrument name that displayed on the TT front end is a combination of the values provided in tag 55 (Symbol) and tag 541 (MaturityDate). For example, if tag 55 = ABC and tag 541 = 20260215, the TT front end will show ABC Feb26. |