Boeing: a 3.5σ rise on 3 August 2026
Recorded 7 October 2026On 3 August 2026 Boeing rose 8.03% close to close, 3.5 times its typical daily move of 2.29% over the 20 sessions before it: larger than every one of the 20 sessions on record before it. 7 other instruments of the 200 measured that day moved 2σ or more.
The day
Daily closes, as recorded the night after
- Move
- +8.03%
- Size
- +3.5σ
- Typical day before it
- 2.29%
- Close
- 233.49
- Previous close, 31 July 2026
- 216.14
- Since, to 21 October 2026
- −17.65%
Boeing, the 30 sessions to 3 August 2026
Daily closes; the last point is the quake
Show values
| Point | BA |
|---|---|
| 18 Jun 2026 | 223 |
| 22 Jun 2026 | 221 |
| 23 Jun 2026 | 217 |
| 24 Jun 2026 | 220 |
| 25 Jun 2026 | 218 |
| 26 Jun 2026 | 217 |
| 29 Jun 2026 | 215 |
| 30 Jun 2026 | 216 |
| 1 Jul 2026 | 219 |
| 2 Jul 2026 | 226 |
| 6 Jul 2026 | 235 |
| 7 Jul 2026 | 232 |
| 8 Jul 2026 | 225 |
| 9 Jul 2026 | 223 |
| 10 Jul 2026 | 222 |
| 13 Jul 2026 | 216 |
| 14 Jul 2026 | 217 |
| 15 Jul 2026 | 218 |
| 16 Jul 2026 | 214 |
| 17 Jul 2026 | 214 |
| 20 Jul 2026 | 209 |
| 21 Jul 2026 | 205 |
| 22 Jul 2026 | 209 |
| 23 Jul 2026 | 209 |
| 24 Jul 2026 | 210 |
| 27 Jul 2026 | 212 |
| 28 Jul 2026 | 222 |
| 29 Jul 2026 | 214 |
| 30 Jul 2026 | 221 |
| 31 Jul 2026 | 216 |
| 3 Aug 2026 | 233 |
The same day
Other quakes on 3 August 2026
| Instrument | Move | Size |
|---|---|---|
| US Dollar / Colombian Peso USD/COP | +3.47% | +4.4σ |
| Cosmos ATOM | +7.65% | +3.4σ |
| RBOB Gasoline GASOLINE | −7.91% | −3.0σ |
| US Dollar / Philippine Peso USD/PHP | −0.69% | −3.0σ |
Boeing's other quakes
On record, newest first
- 28 September 2026: −6.91%, −4.4σ
How it is measured
The move is the close-to-close return; its size is that return divided by the standard deviation of Boeing'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 Boeing'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.