| Day | Rate | Set date |
|---|---|---|
| 1 October | 75.3000 | .. |
| 2 October | 75.2300 | .. |
| 3 October | 76.4100 | .. |
| 4 October | 74.3300 | .. |
| 5 October | 74.3400 | .. |
| 8 October | 74.2900 | .. |
| 9 October | 74.9600 | .. |
| 10 October | 73.1700 | .. |
| 11 October | 70.9700 | .. |
| 12 October | 71.3400 | .. |
| 15 October | 71.7800 | .. |
| 16 October | 71.9200 | .. |
| 17 October | 69.7500 | .. |
| 18 October | 68.6500 | .. |
| 19 October | 69.1200 | .. |
| 22 October | 69.1700 | .. |
| 23 October | 66.4300 | .. |
| 24 October | 66.8200 | .. |
| 25 October | 67.3300 | .. |
| 26 October | 67.5900 | .. |
| 29 October | 67.0400 | .. |
| 30 October | 66.1800 | .. |
| 31 October | 65.3100 | .. |