Berkshire Hathaway: a 3.5σ rise on 2 November 2026
Recorded 4 November 2026On 2 November 2026 Berkshire Hathaway rose 2.51% close to close, 3.5 times its typical daily move of 0.72% over the 20 sessions before it: its largest move since 17 September 2026. 28 other instruments of the 197 measured that day moved 2σ or more.
The day
Daily closes, as recorded the night after
- Move
- +2.51%
- Size
- +3.5σ
- Typical day before it
- 0.72%
- Close
- 556.11
- Previous close, 30 October 2026
- 542.49
- Since, to 6 November 2026
- +2.66%
Berkshire Hathaway, the 30 sessions to 2 November 2026
Daily closes; the last point is the quake
Show values
| Point | BRK.B |
|---|---|
| 21 Sep 2026 | 502 |
| 22 Sep 2026 | 503 |
| 23 Sep 2026 | 507 |
| 24 Sep 2026 | 505 |
| 25 Sep 2026 | 505 |
| 28 Sep 2026 | 503 |
| 29 Sep 2026 | 502 |
| 30 Sep 2026 | 498 |
| 1 Oct 2026 | 501 |
| 2 Oct 2026 | 503 |
| 5 Oct 2026 | 504 |
| 6 Oct 2026 | 506 |
| 7 Oct 2026 | 506 |
| 8 Oct 2026 | 511 |
| 9 Oct 2026 | 516 |
| 12 Oct 2026 | 518 |
| 13 Oct 2026 | 521 |
| 14 Oct 2026 | 526 |
| 15 Oct 2026 | 526 |
| 16 Oct 2026 | 532 |
| 19 Oct 2026 | 532 |
| 20 Oct 2026 | 540 |
| 21 Oct 2026 | 539 |
| 22 Oct 2026 | 547 |
| 23 Oct 2026 | 542 |
| 26 Oct 2026 | 549 |
| 27 Oct 2026 | 543 |
| 28 Oct 2026 | 540 |
| 29 Oct 2026 | 542 |
| 30 Oct 2026 | 542 |
| 2 Nov 2026 | 556 |
The same day
Other quakes on 2 November 2026
| Instrument | Move | Size |
|---|---|---|
| RBOB Gasoline GASOLINE | −12.44% | −7.1σ |
| Brent Crude Oil BRENT | −10.94% | −5.9σ |
| Orange Juice OJ | +14.43% | +3.7σ |
| Occidental Petroleum OXY | −5.12% | −3.7σ |
| Heating Oil HEATOIL | −7.70% | −3.3σ |
| WTI Crude Oil WTI | −7.36% | −3.1σ |
| ConocoPhillips COP | −4.67% | −3.0σ |
| Exxon Mobil XOM | −4.05% | −3.0σ |
Berkshire Hathaway's other quakes
On record, newest first
- 4 November 2026: +3.95%, +4.6σ
- 17 September 2026: −2.04%, −3.6σ
- 28 July 2026: +3.06%, +3.9σ
How it is measured
The move is the close-to-close return; its size is that return divided by the standard deviation of Berkshire Hathaway'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 Berkshire Hathaway'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.