XYL'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, 6 were higher 21 sessions later · n = 9 · could be chance.
| Date | One-day change | After 5 sessions | After 21 sessions | After 63 sessions |
|---|---|---|---|---|
| 27 Oct 2026 | -14.2% | +3.7% | pending | pending |
| 3 Feb 2022 | -12.0% | +0.2% | -8.7% | -5.5% |
| 10 Feb 2026 | -8.0% | +0.2% | -6.9% | -13.5% |
| 23 Jan 2023 | -8.0% | -0.3% | +1.9% | +3.4% |
| 3 Apr 2025 | -6.8% | -3.0% | +10.2% | +18.4% |
| 31 Oct 2024 | -6.5% | +1.5% | +4.6% | +6.4% |
| 4 Apr 2025 | -5.8% | +4.3% | +15.2% | +26.0% |
| 30 Jul 2024 | -5.7% | -4.6% | +1.8% | -1.8% |
| 24 Sep 2026 | -5.5% | -1.7% | +5.9% | pending |
| 20 Jan 2026 | -5.0% | +1.1% | -6.9% | -13.6% |
Biggest one-day rises
Of these 8, 6 were higher 21 sessions later · n = 8 · could be chance.
| Date | One-day change | After 5 sessions | After 21 sessions | After 63 sessions |
|---|---|---|---|---|
| 31 Jul 2025 | +10.7% | -0.8% | -2.1% | +5.8% |
| 4 May 2022 | +9.6% | -10.4% | -5.0% | +8.6% |
| 9 Apr 2025 | +7.4% | -1.2% | +11.2% | +18.9% |
| 10 Nov 2022 | +6.1% | -0.9% | +1.7% | -3.9% |
| 2 Nov 2026 | +5.3% | pending | pending | pending |
| 4 Feb 2025 | +5.2% | +2.2% | +0.1% | -6.5% |
| 19 Jul 2022 | +5.1% | +6.4% | +28.3% | +13.9% |
| 17 Oct 2022 | +5.0% | +6.0% | +23.8% | +25.7% |
| 4 Nov 2026 | +5.0% | pending | pending | pending |
| 6 Feb 2024 | +4.8% | +1.8% | +6.5% | +17.5% |