| Day | Rate | Set date |
|---|---|---|
| 1 October | 22.8900 | .. |
| 2 October | 22.0500 | .. |
| 3 October | 21.5200 | .. |
| 4 October | 22.1500 | .. |
| 5 October | 21.6300 | .. |
| 8 October | 21.5700 | .. |
| 9 October | 21.8800 | .. |
| 10 October | 22.0100 | .. |
| 11 October | 22.4600 | .. |
| 12 October | 21.7300 | .. |
| 15 October | 21.6800 | .. |
| 16 October | 21.7000 | .. |
| 17 October | 20.9900 | .. |
| 18 October | 20.6200 | .. |
| 19 October | 21.3500 | .. |
| 22 October | 21.0500 | .. |
| 23 October | 20.9400 | .. |
| 24 October | 21.2600 | .. |
| 25 October | 21.0100 | .. |
| 26 October | 21.0200 | .. |
| 29 October | 21.1000 | .. |
| 30 October | 20.9100 | .. |
| 31 October | 20.3700 | .. |