US Dollar / Japanese Yen: a 5.3σ fall on 3 September 2026
Recorded 7 October 2026On 3 September 2026 US Dollar / Japanese Yen fell 2.05% close to close, 5.3 times its typical daily move of 0.39% over the 20 sessions before it: its largest move since 30 July 2026. 33 other instruments of the 199 measured that day moved 2σ or more.
The day
Daily closes, as recorded the night after
- Move
- −2.05%
- Size
- −5.3σ
- Typical day before it
- 0.39%
- Close
- 155.66
- Previous close, 2 September 2026
- 158.92
- Since, to 23 October 2026
- +0.36%
US Dollar / Japanese Yen, the 30 sessions to 3 September 2026
Daily closes; the last point is the quake
Show values
| Point | USD/JPY |
|---|---|
| 23 Jul 2026 | 163.8 |
| 26 Jul 2026 | 163.6 |
| 27 Jul 2026 | 163.8 |
| 28 Jul 2026 | 163.9 |
| 29 Jul 2026 | 163.3 |
| 30 Jul 2026 | 160.2 |
| 2 Aug 2026 | 157.6 |
| 3 Aug 2026 | 157.5 |
| 4 Aug 2026 | 157.7 |
| 5 Aug 2026 | 157.6 |
| 6 Aug 2026 | 158.4 |
| 9 Aug 2026 | 157.9 |
| 10 Aug 2026 | 159.2 |
| 11 Aug 2026 | 159.3 |
| 12 Aug 2026 | 159.3 |
| 13 Aug 2026 | 159.4 |
| 16 Aug 2026 | 159.2 |
| 17 Aug 2026 | 159.3 |
| 18 Aug 2026 | 159.6 |
| 19 Aug 2026 | 158.3 |
| 20 Aug 2026 | 158.9 |
| 23 Aug 2026 | 158.9 |
| 24 Aug 2026 | 159.1 |
| 25 Aug 2026 | 159.2 |
| 26 Aug 2026 | 159.3 |
| 27 Aug 2026 | 159.3 |
| 30 Aug 2026 | 160.1 |
| 31 Aug 2026 | 159.7 |
| 1 Sep 2026 | 160.2 |
| 2 Sep 2026 | 158.9 |
| 3 Sep 2026 | 155.7 |
The same day
Other quakes on 3 September 2026
| Instrument | Move | Size |
|---|---|---|
| Euro / Japanese Yen EUR/JPY | −1.69% | −5.8σ |
| Canadian Dollar / Japanese Yen CAD/JPY | −1.67% | −5.5σ |
| Australian Dollar / Japanese Yen AUD/JPY | −1.53% | −5.1σ |
| British Pound / Japanese Yen GBP/JPY | −1.72% | −4.4σ |
| Swiss Franc / Japanese Yen CHF/JPY | −1.39% | −3.6σ |
| Robinhood HOOD | +16.57% | +3.6σ |
| Strategy MSTR | +17.56% | +3.1σ |
| New Zealand Dollar / Japanese Yen NZD/JPY | −1.47% | −3.0σ |
| US Dollar / Hungarian Forint USD/HUF | −1.93% | −3.0σ |
US Dollar / Japanese Yen's other quakes
On record, newest first
- 2 August 2026: −1.62%, −3.3σ
- 30 July 2026: −1.91%, −6.9σ
- 2 July 2026: −0.67%, −3.8σ
How it is measured
The move is the close-to-close return; its size is that return divided by the standard deviation of US Dollar / Japanese Yen's previous 20 daily returns. A quake is 3σ or more. This record was made the night after the day finished trading and has not been changed since. The live chart is on US Dollar / Japanese Yen's page; the last few months of every market's daily moves are on the volatility terrain, and every quake on record is in the quake archive.