ALL'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 1 Apr 2021 to 4 Nov 2026 (1406 sessions). Later changes are measured from the close on the day of the move.
Biggest one-day falls
Of these 10, 8 were higher 21 sessions later · n = 10 · could be chance.
| Date | One-day change | After 5 sessions | After 21 sessions | After 63 sessions |
|---|---|---|---|---|
| 20 Oct 2022 | -12.9% | +4.1% | +12.8% | +7.1% |
| 4 Apr 2025 | -9.1% | +3.2% | +8.3% | +4.2% |
| 4 Nov 2021 | -7.2% | -2.1% | -5.6% | +5.0% |
| 22 Apr 2022 | -6.4% | -4.2% | -4.9% | -11.1% |
| 17 Mar 2023 | -6.2% | +0.5% | +8.6% | +6.6% |
| 19 Jan 2023 | -5.9% | +3.2% | +8.4% | -5.2% |
| 2 Aug 2023 | -5.8% | +2.9% | +2.1% | +21.3% |
| 22 Sep 2026 | -5.8% | -1.6% | +9.6% | pending |
| 10 Jan 2025 | -5.6% | +4.4% | +4.7% | +6.9% |
| 13 Jan 2026 | -5.3% | -2.0% | +4.5% | +10.4% |
Biggest one-day rises
Of these 10, 6 were higher 21 sessions later · n = 10 · could be chance.
| Date | One-day change | After 5 sessions | After 21 sessions | After 63 sessions |
|---|---|---|---|---|
| 20 Jul 2023 | +5.9% | +0.7% | -5.2% | +14.7% |
| 31 Jul 2025 | +5.7% | +0.9% | +0.1% | -6.5% |
| 13 Oct 2023 | +5.6% | +2.4% | +7.9% | +26.7% |
| 14 Aug 2024 | +5.2% | -1.2% | +4.6% | +10.0% |
| 9 Apr 2025 | +5.2% | +0.6% | +5.0% | +0.7% |
| 5 Jun 2026 | +4.8% | +0.3% | +13.6% | +17.4% |
| 3 Aug 2023 | +4.6% | -0.6% | +0.1% | +17.5% |
| 16 Aug 2023 | +4.4% | -3.8% | -0.0% | +21.0% |
| 24 Jun 2022 | +4.4% | +2.8% | -9.5% | +1.1% |
| 18 Sep 2025 | +4.3% | +2.0% | -4.8% | +1.7% |