US Dollar Index (DXY) in August 2026
The US Dollar Index (DXY) ended August 2026 at 99.43 on August 31, 2026, down 0.37% from 99.80 at the end of July 2026. Its highest close of the month was 100.01 on August 12, 2026, its lowest 98.80 on August 21, 2026.
Month close
99.43
August 31, 2026
Month change
−0.37 (−0.37%)
from 99.80
Highest close
100.01
August 12, 2026
Lowest close
98.80
August 21, 2026
Every close of August 2026
21 sessions, newest first.
| Date | Close | Change |
|---|---|---|
| 99.43 | −0.27 (−0.27%) | |
| 99.70 | +0.54 (+0.54%) | |
| 99.16 | −0.01 (−0.01%) | |
| 99.17 | +0.25 (+0.25%) | |
| 98.92 | −0.08 (−0.08%) | |
| 99.00 | +0.20 (+0.20%) | |
| 98.80 | −0.10 (−0.10%) | |
| 98.90 | +0.07 (+0.07%) | |
| 98.83 | −0.82 (−0.82%) | |
| 99.65 | +0.01 (+0.01%) | |
| 99.64 | −0.03 (−0.03%) | |
| 99.67 | −0.29 (−0.29%) | |
| 99.96 | −0.05 (−0.05%) | |
| 100.01 | +0.19 (+0.19%) | |
| 99.82 | +0.01 (+0.01%) | |
| 99.81 | +0.21 (+0.21%) | |
| 99.60 | −0.37 (−0.37%) | |
| 99.97 | +0.28 (+0.28%) | |
| 99.69 | −0.20 (−0.20%) | |
| 99.89 | −0.07 (−0.07%) | |
| 99.96 | +0.16 (+0.16%) |
US Dollar Index (DXY), month by month
| Month | Last close | Change |
|---|---|---|
| September 2026so far | 100.97 | +1.54 (+1.55%) |
| August 2026 | 99.43 | −0.37 (−0.37%) |
| July 2026 | 99.80 | −1.39 (−1.37%) |
| June 2026 | 101.19 | +2.28 (+2.31%) |
| May 2026 | 98.91 | +0.83 (+0.85%) |
| April 2026 | 98.08 | −1.88 (−1.88%) |
| March 2026 | 99.96 | +2.35 (+2.41%) |
| February 2026 | 97.61 | +0.62 (+0.64%) |
| January 2026 | 96.99 | −1.29 (−1.31%) |
| December 2025 | 98.28 | −1.18 (−1.19%) |
| November 2025 | 99.46 | −0.34 (−0.34%) |
| October 2025 | 99.80 | +2.03 (+2.08%) |
| September 2025 | 97.77 | 0.00 (0.00%) |
US Dollar Index (DXY) in August 2026: what people ask
What was the US Dollar Index (DXY) at the end of August 2026?
It closed at 99.43 on Monday, August 31, 2026, down 0.37% from 99.80 at the end of July 2026.
What was the highest US Dollar Index (DXY) in August 2026?
Its highest close of August 2026 was 100.01 on Wednesday, August 12, 2026; its lowest was 98.80 on August 21, 2026, over 21 sessions.
Source: ICE US Dollar Index (DX-Y.NYB), daily closes. Daily closes; a month's change runs from the previous month's last close. Not investment advice. US Dollar Index (DXY) today