IEMG'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 5 Nov 2026 (1407 sessions). Later changes are measured from the close on the day of the move.
Biggest one-day falls
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 |
|---|---|---|---|---|
| 5 Jun 2026 | -6.4% | +5.6% | +2.7% | +6.8% |
| 5 Nov 2026 | -5.6% | pending | pending | pending |
| 4 Apr 2025 | -5.5% | +2.8% | +11.2% | +19.7% |
| 23 Jun 2026 | -5.4% | +1.9% | -3.6% | +3.0% |
| 3 Mar 2026 | -5.0% | +0.6% | -1.7% | +20.2% |
| 7 Mar 2022 | -3.8% | -2.8% | +7.0% | -0.6% |
| 5 May 2022 | -3.7% | -5.0% | +2.5% | -2.9% |
| 15 May 2026 | -3.6% | +1.4% | +5.2% | +3.6% |
| 24 Oct 2022 | -3.6% | +1.1% | +10.5% | +24.9% |
| 10 Oct 2025 | -3.6% | +4.2% | +6.6% | +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 |
|---|---|---|---|---|
| 16 Mar 2022 | +7.5% | +0.5% | -1.3% | -8.4% |
| 9 Apr 2025 | +6.9% | +0.9% | +8.8% | +17.8% |
| 8 Apr 2026 | +5.4% | +2.9% | +10.2% | +9.9% |
| 11 Jun 2026 | +4.5% | +4.3% | -3.0% | +0.4% |
| 30 Jul 2026 | +4.4% | +2.8% | +6.0% | +0.2% |
| 4 Nov 2022 | +4.1% | +4.9% | +7.4% | +13.1% |
| 26 May 2026 | +3.7% | +2.9% | -1.1% | -1.6% |
| 31 Mar 2026 | +3.7% | +6.2% | +12.5% | +16.2% |
| 10 Nov 2022 | +3.6% | +2.5% | +4.3% | +10.4% |
| 26 Sep 2024 | +3.4% | -0.6% | -3.5% | -7.3% |