| Day | Rate | Set date |
|---|---|---|
| 3 October | 18.1900 | .. |
| 4 October | 18.0800 | .. |
| 5 October | 18.0100 | .. |
| 6 October | 18.2500 | .. |
| 7 October | 18.2600 | .. |
| 10 October | 17.9900 | .. |
| 11 October | 17.7000 | .. |
| 12 October | 17.1900 | .. |
| 13 October | 17.1300 | .. |
| 14 October | 16.9700 | .. |
| 17 October | 17.0600 | .. |
| 18 October | 17.2200 | .. |
| 19 October | 17.4200 | .. |
| 20 October | 17.5400 | .. |
| 21 October | 17.3800 | .. |
| 24 October | 17.4500 | .. |
| 25 October | 17.5800 | .. |
| 26 October | 17.9500 | .. |
| 27 October | 18.1500 | .. |
| 28 October | 18.2300 | .. |
| 31 October | 18.1900 | .. |