ESS'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 8 Mar 2021 to 4 Nov 2026 (1424 sessions). Later changes are measured from the close on the day of the move.
Biggest one-day falls
Of these 9, 6 were higher 21 sessions later · n = 9 · could be chance.
| Date | One-day change | After 5 sessions | After 21 sessions | After 63 sessions |
|---|---|---|---|---|
| 4 Apr 2025 | -7.9% | -2.8% | +5.6% | +6.5% |
| 30 Jul 2025 | -7.6% | -5.2% | -0.2% | -4.6% |
| 10 Mar 2023 | -6.7% | -2.0% | +1.2% | +12.1% |
| 9 May 2022 | -5.6% | -1.4% | -6.3% | -2.5% |
| 30 Jul 2026 | -5.0% | +1.2% | +0.8% | -7.3% |
| 28 Oct 2026 | -4.9% | +3.9% | pending | pending |
| 13 Jun 2022 | -4.7% | -1.0% | +2.1% | +4.8% |
| 26 Nov 2021 | -4.6% | -1.2% | +2.6% | -6.3% |
| 29 Apr 2022 | -4.6% | -4.8% | -13.8% | -14.3% |
| 5 Jan 2023 | -4.4% | +7.1% | +10.0% | +3.0% |
Biggest one-day rises
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 |
|---|---|---|---|---|
| 9 Apr 2025 | +6.8% | -0.0% | +3.9% | +6.4% |
| 10 Nov 2022 | +5.4% | -5.1% | +0.0% | +9.0% |
| 14 Nov 2023 | +5.1% | -1.6% | +15.0% | +9.6% |
| 13 Dec 2023 | +4.7% | +0.9% | +5.3% | +1.2% |
| 28 Apr 2026 | +4.3% | -0.4% | +3.2% | +10.8% |
| 6 Jan 2023 | +4.3% | +1.8% | +7.3% | -0.7% |
| 2 Jun 2023 | +4.3% | +2.5% | +4.0% | +5.0% |
| 2 Feb 2023 | +4.3% | -0.2% | -1.0% | -7.5% |
| 14 Dec 2023 | +4.2% | -2.6% | -1.8% | -3.5% |
| 13 Jan 2025 | +4.1% | +0.8% | +2.6% | -2.8% |