WM'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 9, 5 were higher 21 sessions later · n = 9 · could be chance.
| Date | One-day change | After 5 sessions | After 21 sessions | After 63 sessions |
|---|---|---|---|---|
| 25 Jul 2024 | -8.0% | +3.1% | +5.0% | +6.3% |
| 8 Mar 2022 | -5.1% | +4.9% | +9.3% | +8.9% |
| 4 Apr 2025 | -4.9% | +1.9% | +3.9% | +0.2% |
| 28 Oct 2026 | -4.5% | +5.9% | pending | pending |
| 3 Jun 2024 | -4.5% | +0.6% | +4.8% | +4.4% |
| 28 Oct 2025 | -4.5% | -1.7% | +6.4% | +9.3% |
| 10 Mar 2026 | -4.5% | +0.2% | -1.0% | -6.0% |
| 30 Jul 2026 | -4.3% | +1.2% | -2.9% | -0.5% |
| 6 Oct 2022 | -4.3% | -1.3% | -2.3% | +0.4% |
| 26 Jul 2023 | -4.0% | -0.9% | -4.6% | -5.8% |
Biggest one-day rises
Of these 8, 5 were higher 21 sessions later · n = 8 · could be chance.
| Date | One-day change | After 5 sessions | After 21 sessions | After 63 sessions |
|---|---|---|---|---|
| 30 Jan 2025 | +6.1% | +1.1% | +5.1% | +5.3% |
| 25 Oct 2023 | +6.1% | -0.0% | +4.8% | +13.7% |
| 13 Feb 2024 | +6.0% | +2.4% | +5.8% | +5.6% |
| 26 Apr 2022 | +5.3% | -2.9% | -5.0% | -2.6% |
| 29 Oct 2024 | +5.2% | -1.5% | +4.3% | +0.9% |
| 22 Oct 2026 | +4.1% | -3.4% | pending | pending |
| 16 Jul 2026 | +4.1% | -2.1% | -7.3% | -10.9% |
| 23 Apr 2026 | +4.0% | -0.1% | -6.4% | +2.6% |
| 15 Oct 2026 | +3.9% | +6.7% | pending | pending |
| 9 Apr 2025 | +3.7% | +2.3% | +3.7% | +1.1% |