| Day | Rate | Set date |
|---|---|---|
| 1 October | 84.9800 | .. |
| 2 October | 84.8000 | .. |
| 3 October | 86.2900 | .. |
| 4 October | 84.5800 | .. |
| 5 October | 84.1600 | .. |
| 8 October | 83.9100 | .. |
| 9 October | 85.0000 | .. |
| 10 October | 83.0900 | .. |
| 11 October | 80.2600 | .. |
| 12 October | 80.4300 | .. |
| 15 October | 80.7800 | .. |
| 16 October | 81.4100 | .. |
| 17 October | 80.0500 | .. |
| 18 October | 79.2900 | .. |
| 19 October | 79.7800 | .. |
| 22 October | 79.8300 | .. |
| 23 October | 76.4400 | .. |
| 24 October | 76.1700 | .. |
| 25 October | 76.8900 | .. |
| 26 October | 77.6200 | .. |
| 29 October | 77.3400 | .. |
| 30 October | 75.9100 | .. |
| 31 October | 75.4700 | .. |