The dollar opened the year at 3,753 Toman and closed at 4,851 Toman — up about 29.26% over the year. The year's high was 4,851 Toman in February–March 2018, the low 3,735 Toman in May–June 2017.
| Period | Open | High | Low | Close |
|---|---|---|---|---|
| Mar-Apr 2017 | 3,753 | 3,755 | 3,753 | 3,755 |
| Apr-May 2017 | 3,773 | 3,773 | 3,753 | 3,753 |
| May-Jun 2017 | 3,738 | 3,745 | 3,735 | 3,745 |
| Jun-Jul 2017 | 3,780 | 3,785 | 3,780 | 3,785 |
| Jul-Aug 2017 | 3,772 | 3,830 | 3,772 | 3,830 |
| Aug-Sep 2017 | 3,880 | 3,914 | 3,880 | 3,893 |
| Sep-Oct 2017 | 3,937 | 4,007 | 3,937 | 4,007 |
| Oct-Nov 2017 | 4,030 | 4,122 | 4,030 | 4,122 |
| Nov-Dec 2017 | 4,118 | 4,202 | 4,118 | 4,181 |
| Dec 2017 – Jan 2018 | 4,189 | 4,429 | 4,189 | 4,429 |
| Jan-Feb 2018 | 4,533 | 4,817 | 4,533 | 4,817 |
| Feb-Mar 2018 | 4,478 | 4,851 | 4,478 | 4,851 |
