C'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 4 Nov 2026 (1406 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 |
|---|---|---|---|---|
| 3 Apr 2025 | -12.1% | -2.3% | +11.4% | +38.9% |
| 4 Apr 2025 | -7.8% | +6.0% | +19.5% | +47.2% |
| 13 Mar 2023 | -7.4% | -1.5% | +4.9% | +9.5% |
| 2 Aug 2024 | -7.1% | -0.6% | +5.6% | +10.3% |
| 4 Mar 2025 | -6.2% | -6.7% | -0.8% | +5.8% |
| 13 Oct 2026 | -5.6% | -1.6% | pending | pending |
| 15 Mar 2023 | -5.4% | -2.5% | +10.6% | +8.8% |
| 12 Feb 2026 | -5.3% | +4.4% | -3.4% | +12.3% |
| 14 Jul 2026 | -5.3% | -0.3% | +3.2% | -1.0% |
| 27 Feb 2026 | -5.2% | -3.3% | -2.6% | +14.3% |
Biggest one-day rises
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 |
|---|---|---|---|---|
| 15 Jul 2022 | +13.2% | +3.9% | +9.2% | -13.2% |
| 9 Apr 2025 | +9.2% | -3.2% | +11.4% | +35.2% |
| 6 Nov 2024 | +8.4% | -0.2% | +4.5% | +17.8% |
| 17 May 2022 | +7.6% | +3.2% | -8.1% | +6.3% |
| 10 Nov 2022 | +6.7% | -0.4% | -5.5% | +6.4% |
| 15 Jan 2025 | +6.5% | +4.7% | +8.8% | -20.1% |
| 23 May 2022 | +6.1% | +1.2% | -12.2% | -2.5% |
| 6 Feb 2026 | +6.0% | -9.6% | -11.2% | +2.3% |
| 14 Mar 2023 | +5.9% | -4.9% | -0.2% | +3.8% |
| 31 Mar 2026 | +5.7% | +8.9% | +12.8% | +23.6% |