Optimism: a 3.3σ rise on 13 October 2026
Recorded 15 October 2026On 13 October 2026 Optimism rose 21.44% close to close, 3.3 times its typical daily move of 6.50% over the 20 sessions before it: its largest move since 18 September 2026. 7 other instruments of the 199 measured that day moved 2σ or more.
The day
Daily closes, as recorded the night after
- Move
- +21.44%
- Size
- +3.3σ
- Typical day before it
- 6.50%
- Close
- 0.158805
- Previous close, 12 October 2026
- 0.130772
- Since, to 23 October 2026
- −25.97%
Optimism, the 30 sessions to 13 October 2026
Daily closes; the last point is the quake
Show values
| Point | OP |
|---|---|
| 13 Sep 2026 | 0.095 |
| 14 Sep 2026 | 0.102 |
| 15 Sep 2026 | 0.094 |
| 16 Sep 2026 | 0.096 |
| 17 Sep 2026 | 0.101 |
| 18 Sep 2026 | 0.121 |
| 19 Sep 2026 | 0.122 |
| 20 Sep 2026 | 0.125 |
| 21 Sep 2026 | 0.127 |
| 22 Sep 2026 | 0.135 |
| 23 Sep 2026 | 0.123 |
| 24 Sep 2026 | 0.132 |
| 25 Sep 2026 | 0.146 |
| 26 Sep 2026 | 0.144 |
| 27 Sep 2026 | 0.149 |
| 28 Sep 2026 | 0.134 |
| 29 Sep 2026 | 0.129 |
| 30 Sep 2026 | 0.129 |
| 1 Oct 2026 | 0.128 |
| 2 Oct 2026 | 0.127 |
| 3 Oct 2026 | 0.136 |
| 4 Oct 2026 | 0.134 |
| 5 Oct 2026 | 0.139 |
| 6 Oct 2026 | 0.130 |
| 7 Oct 2026 | 0.123 |
| 8 Oct 2026 | 0.119 |
| 9 Oct 2026 | 0.132 |
| 10 Oct 2026 | 0.139 |
| 11 Oct 2026 | 0.144 |
| 12 Oct 2026 | 0.131 |
| 13 Oct 2026 | 0.159 |
The same day
Other quakes on 13 October 2026
| Instrument | Move | Size |
|---|---|---|
| Johnson & Johnson JNJ | −5.73% | −5.5σ |
| US Dollar / Taiwan Dollar USD/TWD | +0.56% | +3.2σ |
| AbbVie ABBV | −2.40% | −3.1σ |
| KOSPI KOSPI | −5.46% | −3.0σ |
Optimism's other quakes
On record, newest first
- 18 September 2026: +19.60%, +4.0σ
- 19 August 2026: +9.66%, +3.7σ
- 27 July 2026: −8.34%, −3.3σ
- 3 July 2026: +8.33%, +3.3σ
How it is measured
The move is the close-to-close return; its size is that return divided by the standard deviation of Optimism'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 Optimism'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.