O's biggest one-day moves since 2021, and what happened next
Describes the past; not a signal. Pre-licensed data — internal estimates, to be re-verified after our licensed data rebuild.
Close-to-close daily changes from 5 Apr 2021 to 4 Nov 2026 (1405 sessions). Later changes are measured from the close on the day of the move.
Biggest one-day falls
Of these 10, 9 were higher 21 sessions later · n = 10 · could be chance.
| Date | One-day change | After 5 sessions | After 21 sessions | After 63 sessions |
|---|---|---|---|---|
| 30 Oct 2023 | -5.7% | +9.8% | +16.8% | +20.0% |
| 28 Nov 2022 | -4.8% | +1.2% | +2.8% | +4.5% |
| 29 Apr 2022 | -4.3% | -4.7% | -1.3% | +7.3% |
| 13 Jun 2022 | -4.2% | +3.6% | +8.7% | +5.4% |
| 10 Apr 2024 | -4.1% | -1.6% | +5.3% | +7.0% |
| 7 Apr 2025 | -4.0% | +6.3% | +7.7% | +9.1% |
| 29 Sep 2022 | -4.0% | +1.4% | +8.0% | +11.9% |
| 4 Nov 2025 | -3.5% | +1.8% | +3.7% | +12.9% |
| 14 Oct 2022 | -3.5% | +3.8% | +15.8% | +21.9% |
| 15 Jul 2025 | -3.5% | +2.1% | +2.2% | +3.7% |
Biggest one-day rises
Of these 9, 6 were higher 21 sessions later · n = 9 · could be chance.
| Date | One-day change | After 5 sessions | After 21 sessions | After 63 sessions |
|---|---|---|---|---|
| 14 Nov 2023 | +4.5% | +2.7% | +11.4% | +1.2% |
| 2 Nov 2023 | +4.3% | +0.3% | +11.5% | +6.7% |
| 16 Jul 2026 | +3.9% | -1.6% | -4.6% | -16.2% |
| 13 Dec 2023 | +3.9% | +0.1% | +3.5% | -6.5% |
| 17 Oct 2022 | +3.5% | +2.6% | +13.1% | +16.2% |
| 10 Nov 2022 | +3.4% | -1.5% | -0.7% | +3.9% |
| 9 Apr 2025 | +3.3% | +6.1% | +5.5% | +7.4% |
| 2 Jul 2026 | +3.3% | -0.8% | -0.6% | -16.2% |
| 15 Jun 2022 | +3.2% | +4.9% | +7.6% | -1.1% |
| 22 Oct 2026 | +3.1% | +0.2% | pending | pending |