Race Cards / Horse Changes
21 November 2018 - Happy Valley
Gear Changes
| Race | Horse | Change |
| 1 | (2) GLORIAM | (blinkers, 1st-time tongue tie) |
| 1 | (12) GENTLEMEN | (blinkers removed) |
| 2 | (6) SHOW MISSION | (2nd-time blinkers, tongue tie) |
| 2 | (12) JOYFUL FOREVER | (hood removed, blinkers) |
| 3 | (8) GREAT VICTORY | (1st-time Hood) |
| 4 | (4) CHEER WIN | (pacifiers removed, 2nd-time blinkers, tongue tie) |
| 4 | (12) ROCKAGE | (Crossed Nose Band) |
| 4 | (R) E MASTER | (Crossed Nose Band) |
Trainer Changes
| Race | Horse | From | To |
| 2 | (4) GREAT SON | M. Freedman | L. Ho |
| 3 | (R) LEVANTE | M. Freedman | L. Ho |
Suspended Jockeys
| Currently Suspended Jockeys | Details | Suspended | Resuming |
| M. F. Poon | Careless riding | 18/11/2018 | 01/12/2018 |
| N. Callan | Careless riding | 21/11/2018 | 26/11/2018 |
| Deferred Suspended Jockeys | Details | Suspended | Resuming |
| C. Y. Ho | Careless riding | 25/11/2018 | 29/11/2018 |
| A. Badel | Careless riding | 28/11/2018 | 03/12/2018 |
| K. Teetan | Careless riding | 28/11/2018 | 03/12/2018 |
| M. Chadwick | breach of Rule 100(2) | 02/12/2018 | 06/12/2018 |
| W. M. Lai | Careless riding | 05/12/2018 | 10/12/2018 |