US Dollar / Hong Kong Dollar: a 12.9σ fall on 22 October 2026
Recorded 24 October 2026On 22 October 2026 US Dollar / Hong Kong Dollar fell 0.13% close to close, 12.9 times its typical daily move of 0.01% over the 20 sessions before it: larger than every one of the 68 sessions on record before it. 53 other instruments of the 199 measured that day moved 2σ or more.
The day
Daily closes, as recorded the night after
- Move
- −0.13%
- Size
- −12.9σ
- Typical day before it
- 0.01%
- Close
- 7.8362
- Previous close, 21 October 2026
- 7.8464
- Since, to 30 October 2026
- +0.12%
US Dollar / Hong Kong Dollar, the 30 sessions to 22 October 2026
Daily closes; the last point is the quake
Show values
| Point | USD/HKD |
|---|---|
| 10 Sep 2026 | 7.8412 |
| 13 Sep 2026 | 7.8420 |
| 14 Sep 2026 | 7.8431 |
| 15 Sep 2026 | 7.8445 |
| 16 Sep 2026 | 7.8441 |
| 17 Sep 2026 | 7.8459 |
| 20 Sep 2026 | 7.8447 |
| 21 Sep 2026 | 7.8448 |
| 22 Sep 2026 | 7.8426 |
| 23 Sep 2026 | 7.8425 |
| 24 Sep 2026 | 7.8427 |
| 27 Sep 2026 | 7.8441 |
| 28 Sep 2026 | 7.8447 |
| 29 Sep 2026 | 7.8461 |
| 30 Sep 2026 | 7.8462 |
| 1 Oct 2026 | 7.8464 |
| 4 Oct 2026 | 7.8470 |
| 5 Oct 2026 | 7.8466 |
| 6 Oct 2026 | 7.8477 |
| 7 Oct 2026 | 7.8474 |
| 8 Oct 2026 | 7.8474 |
| 11 Oct 2026 | 7.8472 |
| 12 Oct 2026 | 7.8474 |
| 13 Oct 2026 | 7.8484 |
| 14 Oct 2026 | 7.8477 |
| 15 Oct 2026 | 7.8472 |
| 18 Oct 2026 | 7.8475 |
| 19 Oct 2026 | 7.8476 |
| 20 Oct 2026 | 7.8484 |
| 21 Oct 2026 | 7.8464 |
| 22 Oct 2026 | 7.8362 |
The same day
Other quakes on 22 October 2026
| Instrument | Move | Size |
|---|---|---|
| 2-Year T-Note Futures ZT | +0.35% | +5.7σ |
| US 5-Year Treasury Yield US5Y | −4.10% | −5.2σ |
| 10-Year T-Note Futures ZN | +1.23% | +5.0σ |
| US 10-Year Treasury Yield US10Y | −3.75% | −4.8σ |
| Lockheed Martin LMT | +6.96% | +4.6σ |
| US Dollar / Japanese Yen USD/JPY | −1.04% | −3.8σ |
| 30-Year T-Bond Futures ZB | +2.10% | +3.7σ |
| ASML ASML | −6.93% | −3.6σ |
| US 30-Year Treasury Yield US30Y | −2.79% | −3.6σ |
| Euro / Japanese Yen EUR/JPY | −1.16% | −3.5σ |
| New Zealand Dollar / Japanese Yen NZD/JPY | −1.37% | −3.4σ |
| Euro / Polish Zloty EUR/PLN | +0.46% | +3.0σ |
| Hang Seng HSI | −3.03% | −3.0σ |
US Dollar / Hong Kong Dollar's other quakes
On record, newest first
- 21 October 2026: −0.03%, −3.3σ
- 19 August 2026: −0.05%, −3.5σ
- 17 August 2026: −0.03%, −3.0σ
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 / Hong Kong Dollar'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 / Hong Kong Dollar'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.