Symbol Mapping
A Symbol Mapping message is used to map the 6 character simple instrument multicast feed symbol field to an OSI symbol and Underlying. These messages are not sequenced (sequence = 0) and are sent continuously through the day at variable rates as bandwidth allows.
| Field Name | Offset | Length | Type/(Value) | Description |
|---|---|---|---|---|
| Length | 0 | 1 | Binary | Length of this message including this field |
| Message Type | 1 | 1 | 0x2E | Symbol Mapping Message |
| Feed Symbol | 2 | 6 | Printable ASCII | Symbol right padded with spaces. |
| OSI Symbol | 8 | 21 | Printable ASCII | OSI Symbol |
| Symbol Condition | 29 | 1 | Alphanumeric |
|
| Underlying | 30 | 8 | Alphanumeric | Symbol of underlying equity right padded with spaces. All spaces if not available or not applicable. |
| Total Length = 38 bytes | ||||





