| Day | Rate | Set date |
|---|---|---|
| 2 May | 80.0455 | 02.05.2018 |
| 3 May | 79.8965 | 03.05.2018 |
| 4 May | 80.0270 | 04.05.2018 |
| 5 May | 80.0270 | 04.05.2018 |
| 6 May | 80.0270 | 04.05.2018 |
| 7 May | 79.9040 | 07.05.2018 |
| 8 May | 79.6300 | 08.05.2018 |
| 9 May | 79.9010 | 09.05.2018 |
| 10 May | 79.8905 | 10.05.2018 |
| 11 May | 80.3600 | 11.05.2018 |
| 12 May | 80.3600 | 11.05.2018 |
| 13 May | 80.3600 | 11.05.2018 |
| 14 May | 80.9545 | 14.05.2018 |
| 15 May | 80.8720 | 15.05.2018 |
| 16 May | 79.8925 | 16.05.2018 |
| 17 May | 79.9645 | 17.05.2018 |
| 18 May | 80.1115 | 18.05.2018 |
| 19 May | 80.1115 | 18.05.2018 |
| 20 May | 80.1115 | 18.05.2018 |
| 21 May | 80.1280 | 21.05.2018 |
| 22 May | 80.2105 | 22.05.2018 |
| 23 May | 80.1055 | 23.05.2018 |
| 24 May | 80.1930 | 24.05.2018 |
| 25 May | 79.1505 | 25.05.2018 |
| 26 May | 79.1505 | 25.05.2018 |
| 27 May | 79.1505 | 25.05.2018 |
| 28 May | 78.5280 | 28.05.2018 |
| 29 May | 78.4060 | 29.05.2018 |
| 30 May | 78.3880 | 30.05.2018 |
| 31 May | 78.8020 | 31.05.2018 |