Palantir: a 3.7σ fall on 16 October 2026
Recorded 18 October 2026On 16 October 2026 Palantir fell 7.22% close to close, 3.7 times its typical daily move of 1.95% over the 20 sessions before it: its largest move since 4 August 2026. 11 other instruments of the 168 measured that day moved 2σ or more.
The day
Daily closes, as recorded the night after
- Move
- −7.22%
- Size
- −3.7σ
- Typical day before it
- 1.95%
- Close
- 186.03
- Previous close, 15 October 2026
- 200.5
- Since, to 21 October 2026
- +8.43%
Palantir, the 30 sessions to 16 October 2026
Daily closes; the last point is the quake
Show values
| Point | PLTR |
|---|---|
| 3 Sep 2026 | 183 |
| 4 Sep 2026 | 174 |
| 8 Sep 2026 | 170 |
| 9 Sep 2026 | 170 |
| 10 Sep 2026 | 166 |
| 11 Sep 2026 | 167 |
| 14 Sep 2026 | 173 |
| 15 Sep 2026 | 173 |
| 16 Sep 2026 | 174 |
| 17 Sep 2026 | 176 |
| 18 Sep 2026 | 178 |
| 21 Sep 2026 | 183 |
| 22 Sep 2026 | 185 |
| 23 Sep 2026 | 192 |
| 24 Sep 2026 | 193 |
| 25 Sep 2026 | 190 |
| 28 Sep 2026 | 187 |
| 29 Sep 2026 | 187 |
| 30 Sep 2026 | 187 |
| 1 Oct 2026 | 190 |
| 2 Oct 2026 | 189 |
| 5 Oct 2026 | 189 |
| 6 Oct 2026 | 192 |
| 7 Oct 2026 | 194 |
| 8 Oct 2026 | 199 |
| 9 Oct 2026 | 209 |
| 12 Oct 2026 | 209 |
| 13 Oct 2026 | 209 |
| 14 Oct 2026 | 201 |
| 15 Oct 2026 | 201 |
| 16 Oct 2026 | 186 |
The same day
Other quakes on 16 October 2026
| Instrument | Move | Size |
|---|---|---|
| Volatility Index VIX | +21.45% | +4.8σ |
| RTX RTX | +3.73% | +3.3σ |
Palantir's other quakes
On record, newest first
- 9 October 2026: +5.17%, +3.6σ
- 4 August 2026: +29.45%, +10.0σ
How it is measured
The move is the close-to-close return; its size is that return divided by the standard deviation of Palantir'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 Palantir'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.