SLB: a 3.7σ rise on 23 October 2026
Recorded 25 October 2026On 23 October 2026 SLB rose 7.08% close to close, 3.7 times its typical daily move of 1.91% over the 20 sessions before it: its largest move since 24 July 2026. 9 other instruments of the 167 measured that day moved 2σ or more.
The day
Daily closes, as recorded the night after
- Move
- +7.08%
- Size
- +3.7σ
- Typical day before it
- 1.91%
- Close
- 53.06
- Previous close, 22 October 2026
- 49.55
- Since, to 28 October 2026
- +1.30%
SLB, the 30 sessions to 23 October 2026
Daily closes; the last point is the quake
Show values
| Point | SLB |
|---|---|
| 11 Sep 2026 | 56.1 |
| 14 Sep 2026 | 53.3 |
| 15 Sep 2026 | 54.2 |
| 16 Sep 2026 | 52.3 |
| 17 Sep 2026 | 52.1 |
| 18 Sep 2026 | 51.1 |
| 21 Sep 2026 | 51.8 |
| 22 Sep 2026 | 52.1 |
| 23 Sep 2026 | 51.9 |
| 24 Sep 2026 | 51.4 |
| 25 Sep 2026 | 51.5 |
| 28 Sep 2026 | 51.5 |
| 29 Sep 2026 | 49.9 |
| 30 Sep 2026 | 48.7 |
| 1 Oct 2026 | 48.7 |
| 2 Oct 2026 | 48.7 |
| 5 Oct 2026 | 50.3 |
| 6 Oct 2026 | 50.0 |
| 7 Oct 2026 | 48.0 |
| 8 Oct 2026 | 49.0 |
| 9 Oct 2026 | 49.0 |
| 12 Oct 2026 | 48.8 |
| 13 Oct 2026 | 48.8 |
| 14 Oct 2026 | 48.5 |
| 15 Oct 2026 | 48.4 |
| 16 Oct 2026 | 49.5 |
| 19 Oct 2026 | 49.1 |
| 20 Oct 2026 | 50.0 |
| 21 Oct 2026 | 51.1 |
| 22 Oct 2026 | 49.5 |
| 23 Oct 2026 | 53.1 |
The same day
Other quakes on 23 October 2026
| Instrument | Move | Size |
|---|---|---|
| Euro / Polish Zloty EUR/PLN | +0.70% | +3.8σ |
SLB's other quakes
On record, newest first
- 24 July 2026: +11.01%, +8.2σ
How it is measured
The move is the close-to-close return; its size is that return divided by the standard deviation of SLB'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 SLB'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.