Symbol Mapping
A Symbol Mapping message is used to map the 6 character multicast feed symbol field to an OSI symbol and Underlying. These messages are not sequenced (sequence = 0).
Symbol Mapping messages only refer to Listed option symbols and will appear before Complex FLEX Instrument Definition messages as necessary. FLEX instruments will still receive FLEX Instrument Definition messages.
| 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 | ||||