KEY'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 10, 7 were higher 21 sessions later · n = 10 · could be chance.
| Date | One-day change | After 5 sessions | After 21 sessions | After 63 sessions |
|---|---|---|---|---|
| 13 Mar 2023 | -27.3% | +2.5% | +5.9% | -8.3% |
| 3 Apr 2025 | -12.1% | -2.7% | +10.2% | +29.5% |
| 2 May 2023 | -9.4% | +0.1% | +1.1% | +25.1% |
| 1 Mar 2022 | -8.3% | -2.6% | +0.1% | -12.3% |
| 9 Mar 2023 | -7.2% | -23.6% | -24.6% | -30.3% |
| 23 Mar 2023 | -6.5% | +9.8% | -1.2% | -15.3% |
| 20 Oct 2023 | -6.3% | +0.3% | +23.9% | +48.2% |
| 4 May 2023 | -6.3% | +1.8% | +15.8% | +36.2% |
| 17 Jun 2021 | -6.2% | +2.1% | -9.8% | +2.8% |
| 17 Mar 2023 | -6.1% | +2.9% | +4.9% | -12.1% |
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 |
|---|---|---|---|---|
| 6 Nov 2024 | +15.7% | -4.6% | -4.5% | -11.4% |
| 5 May 2023 | +10.1% | -8.5% | +10.3% | +25.1% |
| 14 Nov 2023 | +9.9% | +0.8% | +26.1% | +21.2% |
| 9 Apr 2025 | +9.8% | -3.1% | +6.7% | +26.2% |
| 21 Mar 2023 | +9.3% | -3.1% | -5.6% | -21.3% |
| 12 Aug 2024 | +9.1% | +4.8% | +1.1% | +20.5% |
| 10 Nov 2022 | +8.7% | -4.0% | -8.7% | +2.1% |
| 17 May 2023 | +8.6% | +0.2% | -0.4% | +8.1% |
| 2 Nov 2023 | +8.3% | -0.4% | +24.4% | +31.6% |
| 13 Dec 2023 | +7.2% | +0.9% | -0.3% | +5.2% |