Member to Cboe
| Message Name | Level | Type | Sequenced |
|---|---|---|---|
| Login Request | Session | 0x37 | No |
| Logout Request | Session | 0x02 | No |
| Client Heartbeat | Session | 0x03 | No |
| New Order | Application | 0x38 | Yes |
| Cancel Order | Application | 0x39 | Yes |
| Modify Order | Application | 0x3A | Yes |
| Purge Orders | Application | 0x47 | Yes |