ILMN'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, 3 were higher 21 sessions later · n = 9 · could be chance.
| Date | One-day change | After 5 sessions | After 21 sessions | After 63 sessions |
|---|---|---|---|---|
| 30 Oct 2026 | -18.6% | pending | pending | pending |
| 6 May 2022 | -14.6% | -6.2% | -6.4% | -10.5% |
| 9 May 2022 | -11.4% | +5.9% | +5.8% | -2.7% |
| 6 Feb 2026 | -10.4% | -2.4% | +2.2% | +18.5% |
| 7 Feb 2025 | -9.6% | -9.7% | -23.9% | -31.8% |
| 10 Jun 2022 | -9.0% | -8.3% | -11.3% | +4.1% |
| 25 May 2023 | -9.0% | +7.1% | -5.2% | -18.3% |
| 12 Aug 2022 | -8.4% | -2.7% | -4.4% | +15.2% |
| 10 Nov 2023 | -8.0% | -4.1% | +19.6% | +36.0% |
| 8 Feb 2023 | -8.0% | +7.8% | -2.3% | +5.5% |
Biggest one-day rises
Of these 10, 4 were higher 21 sessions later · n = 10 · could be chance.
| Date | One-day change | After 5 sessions | After 21 sessions | After 63 sessions |
|---|---|---|---|---|
| 31 Oct 2025 | +24.8% | -1.3% | +3.2% | +9.6% |
| 11 Jan 2022 | +17.0% | -9.3% | -15.5% | -18.7% |
| 13 Mar 2023 | +17.0% | -3.2% | -0.0% | -8.3% |
| 10 Nov 2022 | +11.2% | -6.4% | -13.1% | -10.1% |
| 13 Feb 2023 | +9.8% | -6.1% | +5.7% | -5.1% |
| 4 Oct 2022 | +9.5% | -2.9% | +2.9% | -1.2% |
| 19 Aug 2026 | +8.9% | +9.7% | +16.9% | pending |
| 15 Aug 2022 | +8.8% | -13.7% | -13.1% | +7.1% |
| 9 Apr 2025 | +8.5% | -3.6% | -0.7% | +30.1% |
| 24 Aug 2022 | +8.2% | -4.3% | -9.7% | +5.4% |