| Day | Rate | Set date |
|---|---|---|
| 1 February | 64.3300 | 01.02.2018 |
| 2 February | 64.4900 | 02.02.2018 |
| 3 February | 64.4900 | 02.02.2018 |
| 4 February | 64.4900 | 02.02.2018 |
| 5 February | 64.1690 | 05.02.2018 |
| 6 February | 63.5440 | 06.02.2018 |
| 7 February | 63.2360 | 07.02.2018 |
| 8 February | 63.3080 | 08.02.2018 |
| 9 February | 63.3240 | 09.02.2018 |
| 10 February | 63.3240 | 09.02.2018 |
| 11 February | 63.3240 | 09.02.2018 |
| 12 February | 63.7300 | 12.02.2018 |
| 13 February | 64.2850 | 13.02.2018 |
| 14 February | 64.3920 | 14.02.2018 |
| 15 February | 65.1450 | 15.02.2018 |
| 16 February | 65.1210 | 16.02.2018 |
| 17 February | 65.1210 | 16.02.2018 |
| 18 February | 65.1210 | 16.02.2018 |
| 19 February | 65.1000 | 19.02.2018 |
| 20 February | 64.5600 | 20.02.2018 |
| 21 February | 64.2290 | 21.02.2018 |
| 22 February | 63.9110 | 22.02.2018 |
| 23 February | 63.7190 | 23.02.2018 |
| 24 February | 63.7190 | 23.02.2018 |
| 25 February | 63.7190 | 23.02.2018 |
| 26 February | 63.9360 | 26.02.2018 |
| 27 February | 64.2860 | 27.02.2018 |
| 28 February | 63.6410 | 28.02.2018 |