| Day | Rate | Set date |
|---|---|---|
| 1 August | 38.7250 | 01.08.2018 |
| 2 August | 38.6900 | 02.08.2018 |
| 3 August | 38.5470 | 03.08.2018 |
| 4 August | 38.5470 | 03.08.2018 |
| 5 August | 38.5470 | 03.08.2018 |
| 6 August | 38.4960 | 06.08.2018 |
| 7 August | 38.5190 | 07.08.2018 |
| 8 August | 38.4990 | 08.08.2018 |
| 9 August | 38.4600 | 09.08.2018 |
| 10 August | 38.1140 | 10.08.2018 |
| 11 August | 38.1140 | 10.08.2018 |
| 12 August | 38.1140 | 10.08.2018 |
| 13 August | 38.0690 | 13.08.2018 |
| 14 August | 37.9530 | 14.08.2018 |
| 15 August | 37.7730 | 15.08.2018 |
| 16 August | 37.8220 | 16.08.2018 |
| 17 August | 37.8690 | 17.08.2018 |
| 18 August | 37.8690 | 17.08.2018 |
| 19 August | 37.8690 | 17.08.2018 |
| 20 August | 37.7260 | 20.08.2018 |
| 21 August | 37.6460 | 21.08.2018 |
| 22 August | 38.0190 | 22.08.2018 |
| 23 August | 37.9560 | 23.08.2018 |
| 24 August | 37.8870 | 24.08.2018 |
| 25 August | 37.8870 | 24.08.2018 |
| 26 August | 37.8870 | 24.08.2018 |
| 27 August | 37.9290 | 27.08.2018 |
| 28 August | 38.0980 | 28.08.2018 |
| 29 August | 38.1400 | 29.08.2018 |
| 30 August | 38.2390 | 30.08.2018 |
| 31 August | 38.1750 | 31.08.2018 |