XLK'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 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 |
|---|---|---|---|---|
| 5 Jun 2026 | -6.9% | +3.1% | +1.3% | +4.6% |
| 3 Apr 2025 | -6.8% | -0.4% | +10.1% | +32.3% |
| 4 Apr 2025 | -6.6% | +8.8% | +16.9% | +42.6% |
| 13 Sep 2022 | -5.3% | -2.5% | -11.7% | +1.3% |
| 27 Jan 2025 | -4.9% | +0.1% | +1.5% | -8.4% |
| 30 Oct 2026 | -4.9% | pending | pending | pending |
| 5 May 2022 | -4.8% | -7.2% | -1.2% | +3.7% |
| 20 Nov 2025 | -4.7% | +5.3% | +7.5% | +2.8% |
| 10 Apr 2025 | -4.7% | -0.6% | +16.9% | +33.4% |
| 3 Sep 2024 | -4.6% | +0.1% | +5.6% | +12.2% |
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 |
|---|---|---|---|---|
| 9 Apr 2025 | +13.4% | -4.7% | +6.5% | +27.2% |
| 10 Nov 2022 | +8.2% | +0.8% | +2.2% | +9.1% |
| 30 Jul 2026 | +5.4% | +5.6% | +5.8% | +8.8% |
| 30 Nov 2022 | +5.0% | -4.7% | -8.5% | +3.1% |
| 4 Aug 2026 | +4.9% | -0.4% | -1.7% | -6.7% |
| 12 May 2025 | +4.6% | +3.2% | +6.1% | +19.6% |
| 6 Feb 2026 | +4.6% | -0.9% | -0.7% | +24.7% |
| 28 Jan 2022 | +4.4% | +1.0% | -4.4% | -10.5% |
| 28 Oct 2022 | +4.3% | -6.6% | -0.1% | +4.9% |
| 27 Jul 2022 | +4.3% | +4.8% | +4.4% | -8.2% |