Defines message type. Always third field in message. Always unencrypted.
The value is case-sensitive.
"U" as the first character of the value (e.g. U1, U2) indicates that the message format is privately defined between the sender and receiver.
| Code | Meaning |
|---|---|
| 0 | HEARTBEAT |
| 1 | TEST_REQUEST |
| 2 | RESEND_REQUEST |
| 3 | REJECT |
| 4 | SEQUENCE_RESET |
| 5 | LOGOUT |
| 6 | INDICATION_OF_INTEREST |
| 7 | ADVERTISEMENT |
| 8 | EXECUTION_REPORT |
| 9 | ORDER_CANCEL_REJECT |
| A | LOGON |
| B | NEWS |
| C | |
| D | ORDER_SINGLE |
| E | ORDER_LIST |
| F | ORDER_CANCEL_REQUEST |
| G | ORDER_CANCEL |
| H | ORDER_STATUS_REQUEST |
| J | ALLOCATION |
| K | LIST_CANCEL_REQUEST |
| L | LIST_EXECUTE |
| M | LIST_STATUS_REQUEST |
| N | LIST_STATUS |
| P | ALLOCATION_ACK |
| Q | DONT_KNOW_TRADE |
| R | QUOTE_REQUEST |
| S | QUOTE |
| T | SETTLEMENT_INSTRUCTIONS |