AR'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 3 Mar 2021 to 4 Nov 2026 (1427 sessions). Later changes are measured from the close on the day of the move.
Biggest one-day falls
Of these 10, 7 were higher 21 sessions later · n = 10 · could be chance.
| Date | One-day change | After 5 sessions | After 21 sessions | After 63 sessions |
|---|---|---|---|---|
| 4 Apr 2025 | -13.7% | -1.1% | +6.1% | +9.4% |
| 9 May 2022 | -11.2% | +3.3% | +42.9% | +13.7% |
| 14 Jun 2022 | -10.7% | -12.2% | -14.1% | +10.1% |
| 21 Jul 2025 | -10.5% | +0.4% | -8.1% | -5.3% |
| 1 Dec 2021 | -9.9% | +8.8% | +10.5% | +51.5% |
| 28 Dec 2022 | -9.8% | -9.6% | -8.4% | -26.7% |
| 27 Jan 2025 | -9.5% | +5.4% | +1.9% | -1.2% |
| 18 Mar 2021 | -9.5% | +6.1% | +1.1% | +41.5% |
| 29 Apr 2021 | -9.0% | +13.3% | +39.6% | +47.1% |
| 23 Sep 2022 | -8.5% | -0.7% | +7.7% | +5.9% |
Biggest one-day rises
Of these 10, 7 were higher 21 sessions later · n = 10 · could be chance.
| Date | One-day change | After 5 sessions | After 21 sessions | After 63 sessions |
|---|---|---|---|---|
| 10 Mar 2021 | +11.9% | -0.9% | -11.1% | +32.9% |
| 23 May 2022 | +11.6% | +8.9% | -21.9% | +7.3% |
| 15 Feb 2024 | +10.9% | +7.2% | +8.8% | +45.2% |
| 15 Sep 2021 | +10.3% | -6.1% | +10.4% | -8.0% |
| 7 Jul 2022 | +10.3% | +0.1% | +15.4% | +5.8% |
| 21 Feb 2024 | +9.5% | -0.7% | +4.8% | +34.1% |
| 14 May 2021 | +9.4% | +7.8% | +16.9% | +6.5% |
| 2 Feb 2022 | +9.1% | -11.9% | +16.0% | +76.4% |
| 18 May 2023 | +8.6% | -4.9% | -9.1% | +14.3% |
| 3 May 2021 | +8.5% | +12.5% | +32.9% | +33.3% |