XBI'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 30 Mar 2021 to 4 Nov 2026 (1408 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 |
|---|---|---|---|---|
| 9 May 2022 | -8.2% | +6.4% | +13.7% | +41.0% |
| 11 May 2022 | -7.2% | +8.1% | +6.7% | +44.5% |
| 6 May 2025 | -6.6% | +0.5% | +7.0% | +11.6% |
| 5 May 2022 | -6.0% | -12.1% | -6.3% | +25.0% |
| 26 Apr 2022 | -6.0% | +0.2% | -11.7% | +8.7% |
| 18 Jan 2022 | -5.9% | -3.3% | +0.1% | -10.5% |
| 4 Apr 2025 | -5.7% | +0.9% | +4.8% | +15.0% |
| 13 Jun 2022 | -5.5% | +10.6% | +28.4% | +32.9% |
| 5 Jan 2022 | -5.5% | -4.4% | -13.7% | -11.3% |
| 15 Nov 2024 | -5.3% | +4.8% | +3.0% | +1.0% |
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 |
|---|---|---|---|---|
| 10 Nov 2022 | +7.7% | -3.1% | -1.9% | +2.9% |
| 9 Apr 2025 | +7.3% | +0.3% | +2.0% | +16.2% |
| 31 Mar 2026 | +7.3% | +2.4% | +2.5% | +21.6% |
| 23 Jun 2022 | +6.2% | -2.6% | +6.2% | +2.4% |
| 19 Aug 2026 | +5.9% | -0.9% | -7.7% | pending |
| 5 Jul 2022 | +5.8% | +1.1% | +3.8% | -1.2% |
| 27 Feb 2024 | +5.7% | -3.3% | -7.8% | -13.4% |
| 17 Jun 2022 | +5.7% | +13.6% | +25.0% | +21.6% |
| 13 May 2022 | +5.7% | +2.5% | -7.6% | +38.3% |
| 4 Aug 2022 | +5.5% | +2.3% | -5.6% | -8.5% |