CMI'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 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 |
|---|---|---|---|---|
| 5 Feb 2026 | -10.7% | +8.9% | +1.8% | +26.3% |
| 3 Apr 2025 | -7.7% | -4.6% | +2.4% | +11.6% |
| 3 Aug 2023 | -7.5% | -2.2% | -1.8% | -9.5% |
| 7 Mar 2022 | -6.2% | +4.3% | +5.5% | +13.0% |
| 4 Apr 2025 | -6.0% | +3.0% | +7.5% | +19.8% |
| 10 Jun 2026 | -5.8% | +13.8% | +5.4% | -12.8% |
| 4 Nov 2026 | -5.8% | pending | pending | pending |
| 26 Jun 2026 | -5.7% | -1.1% | -6.5% | -23.4% |
| 29 Jul 2026 | -5.5% | +7.3% | -5.3% | -12.4% |
| 13 Mar 2025 | -5.4% | +4.0% | -8.6% | +4.4% |
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 |
|---|---|---|---|---|
| 9 Apr 2025 | +11.0% | -5.4% | +3.4% | +14.9% |
| 5 Nov 2024 | +8.9% | +0.2% | +7.3% | +5.4% |
| 12 May 2025 | +7.8% | +1.8% | -1.6% | +21.4% |
| 8 Apr 2026 | +7.2% | +0.8% | +14.5% | +12.9% |
| 6 Feb 2026 | +6.9% | +4.0% | -3.3% | +17.6% |
| 29 Oct 2025 | +6.5% | -0.5% | +12.9% | +31.2% |
| 6 May 2026 | +6.1% | -0.9% | -9.0% | -10.0% |
| 4 Oct 2022 | +5.7% | -0.7% | +8.9% | +9.2% |
| 21 Oct 2022 | +5.7% | +5.2% | +6.7% | +7.1% |
| 2 Mar 2022 | +5.6% | -4.2% | -1.0% | +1.1% |