Symbol Mapping Message Fields
The Symbol Mapping message are sent as an unsequenced message. One unsequenced Symbol Mapping message for each Symbol are sent in a continuous loop as bandwidth allows.
Members who consume the 5G-Shaped Multicast PITCH feeds will be able to receive the full list of symbols in approximately 5 minutes, and will allow for optimal distribution in situations where market data is susceptible to throttling as a result of high message burst rates. All 1 Gigabit-Shaped ( 1G-Shaped) feeds will continue to complete the full loop of Symbol Mapping messages in approximately 30 minutes.
| 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. |
| Total Length = 38 bytes | ||||