JCI'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, 7 were higher 21 sessions later · n = 9 · could be chance.
| Date | One-day change | After 5 sessions | After 21 sessions | After 63 sessions |
|---|---|---|---|---|
| 2 Aug 2023 | -9.3% | -4.7% | -7.1% | -22.3% |
| 4 May 2022 | -8.7% | -9.7% | -3.7% | -2.6% |
| 29 Jul 2025 | -7.4% | +1.5% | +5.8% | +9.5% |
| 4 Apr 2025 | -7.2% | +8.4% | +23.9% | +47.7% |
| 1 May 2024 | -7.1% | +7.9% | +18.9% | +16.9% |
| 16 Jan 2024 | -7.0% | +6.2% | +8.9% | +23.3% |
| 3 Apr 2025 | -6.8% | -1.3% | +15.7% | +37.7% |
| 4 Nov 2026 | -6.3% | pending | pending | pending |
| 6 Jan 2026 | -6.2% | -1.6% | +16.3% | +22.0% |
| 12 Dec 2023 | -6.0% | +2.4% | +6.7% | +19.4% |
Biggest one-day rises
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 2025 | +11.3% | +3.5% | -6.9% | +4.8% |
| 9 Apr 2025 | +10.8% | -2.8% | +16.6% | +34.8% |
| 5 Nov 2025 | +8.8% | +1.5% | -5.5% | +13.9% |
| 6 Nov 2024 | +8.8% | +5.2% | +3.5% | +10.4% |
| 5 May 2023 | +6.1% | -0.1% | +0.7% | +1.3% |
| 2 Jun 2026 | +6.0% | +4.1% | -0.9% | -1.9% |
| 3 Nov 2022 | +5.7% | +10.4% | +11.3% | +9.6% |
| 27 Oct 2026 | +5.7% | -3.8% | pending | pending |
| 4 Nov 2022 | +5.7% | +4.0% | +3.6% | +1.7% |
| 16 Mar 2022 | +5.1% | +0.8% | -4.3% | -22.4% |