| Day | Rate | Set date |
|---|---|---|
| 3 September | 142.9900 | 03.09.2018 |
| 4 September | 143.2900 | 04.09.2018 |
| 5 September | 143.9500 | 05.09.2018 |
| 6 September | 143.2400 | 06.09.2018 |
| 7 September | 143.5400 | 07.09.2018 |
| 10 September | 144.7500 | 10.09.2018 |
| 11 September | 145.5200 | 11.09.2018 |
| 12 September | 145.1800 | 12.09.2018 |
| 13 September | 146.7000 | 13.09.2018 |
| 14 September | 146.4100 | 14.09.2018 |
| 17 September | 147.1700 | 17.09.2018 |
| 18 September | 147.7400 | 18.09.2018 |
| 19 September | 147.5900 | 19.09.2018 |
| 20 September | 149.2500 | 20.09.2018 |
| 21 September | 147.2200 | 21.09.2018 |
| 24 September | 148.0100 | 24.09.2018 |
| 25 September | 148.9400 | 25.09.2018 |
| 26 September | 148.4200 | 26.09.2018 |
| 27 September | 148.3000 | 27.09.2018 |
| 28 September | 148.1500 | 28.09.2018 |