USD to AUD — 30 Day History
Over the past 30 days, USD to AUD ranged between 1.38474 and 1.4133, averaging 1.39535 across 29 daily closes from 2026-08-17 to 2026-09-15. The rate closed higher than the previous day on 14 of those days, lower on 14, and unchanged on 0.
The largest single-day move in this window was on 2026-08-21, when USD to AUD moved 0.86% lower against the previous close.
Net of the moves in between, USD to AUD is down 0.13% from 2026-08-17 to 2026-09-15 -- the first and last closes in this 30-day table. The full high-to-low span over that time is 0.028559 AUD per USD, across 29 rows of daily open, high, low and close figures in the table below.
The window's high of 1.4133 was set on 2026-08-19, and its low of 1.38474 on 2026-09-10. Day to day, USD to AUD moved an average of 0.21% in either direction across 28 consecutive closes -- a wide high-to-low span can come from one jump or from steady drift, and this is which. The most recent close sits 65.69% of the way up that range.
| Date | Open | High | Low | Close |
|---|---|---|---|---|
| 2026-09-15 | 1.39757 | 1.4024 | 1.39757 | 1.40163 |
| 2026-09-14 | 1.39518 | 1.3977 | 1.39518 | 1.39757 |
| 2026-09-13 | 1.39471 | 1.39518 | 1.3938 | 1.39518 |
| 2026-09-12 | 1.39472 | 1.39472 | 1.393 | 1.39471 |
| 2026-09-11 | 1.38474 | 1.39472 | 1.38474 | 1.39472 |
| 2026-09-10 | 1.38542 | 1.3867 | 1.38474 | 1.38474 |
| 2026-09-09 | 1.38532 | 1.3861 | 1.38532 | 1.38542 |
| 2026-09-08 | 1.38768 | 1.38768 | 1.38532 | 1.38532 |
| 2026-09-07 | 1.38832 | 1.38832 | 1.3861 | 1.38768 |
| 2026-09-06 | 1.38819 | 1.38832 | 1.38819 | 1.38832 |
| 2026-09-05 | 1.38967 | 1.38967 | 1.38819 | 1.38819 |
| 2026-09-04 | 1.39669 | 1.39669 | 1.3882 | 1.38967 |
| 2026-09-03 | 1.39916 | 1.39916 | 1.3902 | 1.39669 |
| 2026-09-02 | 1.39586 | 1.39916 | 1.39586 | 1.39916 |
| 2026-09-01 | 1.39592 | 1.4003 | 1.39586 | 1.39586 |
| 2026-08-31 | 1.3947 | 1.3963 | 1.3947 | 1.39592 |
| 2026-08-30 | 1.39455 | 1.3947 | 1.3899 | 1.3947 |
| 2026-08-29 | 1.39041 | 1.39455 | 1.3899 | 1.39455 |
| 2026-08-28 | 1.39301 | 1.39301 | 1.3899 | 1.39041 |
| 2026-08-27 | 1.39695 | 1.39695 | 1.3908 | 1.39301 |
| 2026-08-26 | 1.39759 | 1.39759 | 1.3918 | 1.39695 |
| 2026-08-25 | 1.39519 | 1.398 | 1.39519 | 1.39759 |
| 2026-08-24 | 1.3967 | 1.3967 | 1.39519 | 1.39519 |
| 2026-08-23 | 1.3967 | 1.3967 | 1.3951 | 1.3967 |
| 2026-08-21 | 1.3951 | 1.3951 | 1.3951 | 1.3951 |
| 2026-08-20 | 1.4072 | 1.4072 | 1.4072 | 1.4072 |
| 2026-08-19 | 1.4133 | 1.4133 | 1.4133 | 1.4133 |
| 2026-08-18 | 1.4062 | 1.4062 | 1.4062 | 1.4062 |
| 2026-08-17 | 1.4035 | 1.4035 | 1.4035 | 1.4035 |