WEC'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, 8 were higher 21 sessions later · n = 10 · could be chance.
| Date | One-day change | After 5 sessions | After 21 sessions | After 63 sessions |
|---|---|---|---|---|
| 6 Oct 2022 | -4.5% | -2.1% | +5.6% | +10.4% |
| 2 Oct 2023 | -4.4% | +6.1% | +5.7% | +13.2% |
| 11 Jan 2024 | -4.1% | -2.5% | -4.6% | -2.8% |
| 29 Sep 2022 | -4.0% | -5.8% | -0.2% | +4.8% |
| 30 Nov 2021 | -3.9% | +6.2% | +11.7% | +5.0% |
| 4 Apr 2025 | -3.8% | +2.5% | +5.2% | +0.2% |
| 13 Jun 2022 | -3.8% | -3.9% | +4.7% | +9.4% |
| 14 Jun 2022 | -3.7% | +1.4% | +9.5% | +14.3% |
| 26 Sep 2023 | -3.6% | -4.2% | +0.8% | +3.5% |
| 5 Jul 2022 | -3.6% | +1.6% | +5.3% | -5.7% |
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 |
|---|---|---|---|---|
| 10 Nov 2022 | +5.1% | -1.2% | +4.0% | -0.3% |
| 13 Dec 2023 | +4.8% | -6.0% | -5.1% | -6.1% |
| 13 Mar 2023 | +4.1% | +3.7% | +7.7% | -0.7% |
| 5 Apr 2023 | +3.7% | -0.4% | -2.4% | -8.8% |
| 29 Oct 2026 | +3.7% | pending | pending | pending |
| 24 Mar 2023 | +3.7% | +1.7% | +5.4% | -3.8% |
| 3 Oct 2022 | +3.5% | -7.9% | -0.7% | +2.5% |
| 22 Oct 2026 | +3.4% | +2.2% | pending | pending |
| 28 Oct 2022 | +3.2% | -0.2% | +6.7% | +3.4% |
| 27 Mar 2024 | +3.2% | -0.2% | +0.4% | -2.4% |