NWSA'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 5 Nov 2026 (1406 sessions). Later changes are measured from the close on the day of the move.
Biggest one-day falls
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 Nov 2026 | -13.4% | pending | pending | pending |
| 6 May 2022 | -13.3% | +4.3% | +2.7% | +1.5% |
| 10 Feb 2023 | -9.4% | +1.8% | -14.2% | -2.1% |
| 6 Feb 2026 | -7.1% | +1.0% | +6.8% | +20.1% |
| 3 Feb 2026 | -6.6% | -5.7% | -2.9% | +1.7% |
| 1 Oct 2025 | -5.7% | -6.7% | -8.5% | -9.8% |
| 4 Apr 2025 | -5.7% | +6.6% | +12.8% | +19.9% |
| 9 Nov 2022 | -5.4% | +10.8% | +11.7% | +15.5% |
| 13 Jun 2022 | -5.4% | -2.9% | -2.7% | +8.0% |
| 12 May 2021 | -5.4% | -0.5% | +2.7% | -7.5% |
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 | +9.2% | -1.9% | +7.2% | +12.8% |
| 12 May 2023 | +8.5% | +2.3% | +6.9% | +19.1% |
| 10 Nov 2022 | +7.1% | +3.7% | +5.1% | +9.1% |
| 7 Nov 2025 | +6.5% | -2.1% | -2.9% | -11.8% |
| 8 Feb 2024 | +6.5% | +2.6% | +2.5% | -3.7% |
| 25 Jan 2023 | +5.7% | +0.4% | -15.5% | -18.8% |
| 7 May 2021 | +5.5% | -2.7% | -3.5% | -9.9% |
| 9 Aug 2022 | +5.2% | +1.8% | -8.0% | -8.0% |
| 4 Oct 2022 | +4.8% | -5.6% | +0.5% | +15.9% |
| 16 Oct 2023 | +4.7% | -3.6% | -4.2% | +7.3% |