Exxon Mobil: a 3.4σ rise on 10 August 2026
Recorded 7 November 2026On 10 August 2026 Exxon Mobil rose 4.41% close to close, 3.4 times its typical daily move of 1.30% over the 20 sessions before it: larger than every one of the 4 sessions on record before it. 6 other instruments of the 199 measured that day moved 2σ or more.
The day
Daily closes, as recorded the night after
- Move
- +4.41%
- Size
- +3.4σ
- Typical day before it
- 1.30%
- Close
- 159.79
- Previous close, 7 August 2026
- 153.04
- Since, to 6 November 2026
- +3.80%
Exxon Mobil, the 20 sessions to 10 August 2026
Daily closes; the last point is the quake
Show values
| Point | XOM |
|---|---|
| 13 Jul 2026 | 144.5 |
| 14 Jul 2026 | 145.1 |
| 15 Jul 2026 | 144.5 |
| 16 Jul 2026 | 145.9 |
| 17 Jul 2026 | 147.4 |
| 20 Jul 2026 | 148.4 |
| 21 Jul 2026 | 151.7 |
| 22 Jul 2026 | 154.4 |
| 23 Jul 2026 | 156.9 |
| 24 Jul 2026 | 156.9 |
| 27 Jul 2026 | 154.8 |
| 28 Jul 2026 | 153.0 |
| 29 Jul 2026 | 156.8 |
| 30 Jul 2026 | 157.0 |
| 31 Jul 2026 | 155.4 |
| 3 Aug 2026 | 155.1 |
| 4 Aug 2026 | 154.0 |
| 5 Aug 2026 | 151.6 |
| 6 Aug 2026 | 154.8 |
| 7 Aug 2026 | 153.0 |
| 10 Aug 2026 | 159.8 |
The same day
Other quakes on 10 August 2026
| Instrument | Move | Size |
|---|---|---|
| Chevron CVX | +4.48% | +3.0σ |
Exxon Mobil's other quakes
On record, newest first
- 2 November 2026: −4.05%, −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 Exxon Mobil'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 Exxon Mobil'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.