GWW'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, 5 were higher 21 sessions later · n = 10 · could be chance.
| Date | One-day change | After 5 sessions | After 21 sessions | After 63 sessions |
|---|---|---|---|---|
| 1 Aug 2025 | -10.3% | +1.9% | +9.1% | +2.6% |
| 12 Feb 2026 | -7.1% | +0.9% | -5.0% | +15.0% |
| 14 Apr 2022 | -6.8% | +1.6% | -3.2% | -7.4% |
| 31 Jan 2025 | -5.6% | -2.5% | -6.8% | +0.7% |
| 4 Aug 2026 | -5.2% | +0.1% | -1.2% | +5.9% |
| 27 Jul 2023 | -4.9% | -0.2% | -1.1% | -6.3% |
| 28 Nov 2023 | -4.3% | +3.0% | +6.7% | +25.8% |
| 5 May 2022 | -4.3% | -2.5% | +3.6% | +15.9% |
| 13 Jul 2022 | -4.2% | +3.8% | +25.0% | +13.5% |
| 19 Jan 2023 | -4.0% | +3.1% | +24.0% | +22.1% |
Biggest one-day rises
Of these 9, 7 were higher 21 sessions later · n = 9 · could be chance.
| Date | One-day change | After 5 sessions | After 21 sessions | After 63 sessions |
|---|---|---|---|---|
| 2 Feb 2023 | +13.0% | -2.1% | +3.8% | -0.9% |
| 29 Jul 2022 | +8.3% | +2.6% | +4.4% | -0.8% |
| 29 Oct 2021 | +7.5% | +2.5% | +4.3% | +7.3% |
| 28 Oct 2022 | +7.1% | +3.1% | +2.9% | +2.7% |
| 4 Nov 2026 | +6.5% | pending | pending | pending |
| 6 Nov 2024 | +6.5% | +0.8% | -0.6% | -12.8% |
| 11 Oct 2024 | +5.8% | +3.9% | +12.7% | +0.4% |
| 27 Apr 2023 | +5.5% | -4.1% | -4.3% | +5.3% |
| 7 May 2026 | +5.5% | +4.1% | +5.7% | +3.5% |
| 2 Feb 2024 | +5.4% | -1.2% | +1.6% | -4.0% |