NSC'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 6 Nov 2026 (1408 sessions). Later changes are measured from the close on the day of the move.
Biggest one-day falls
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 |
|---|---|---|---|---|
| 3 Apr 2025 | -7.5% | -2.4% | +1.3% | +18.5% |
| 8 Jul 2021 | -7.2% | +3.8% | +1.3% | +3.9% |
| 1 Apr 2022 | -6.8% | -2.9% | -3.7% | -15.3% |
| 20 Oct 2022 | -5.9% | +9.1% | +21.1% | +25.9% |
| 18 May 2022 | -5.6% | -2.1% | -6.8% | +9.4% |
| 28 May 2026 | -5.5% | -0.2% | +2.8% | +13.0% |
| 25 Oct 2023 | -5.3% | +2.4% | +17.0% | +27.0% |
| 25 Jan 2023 | -5.0% | +2.4% | -7.0% | -16.8% |
| 30 Apr 2024 | -4.6% | +1.5% | -3.6% | +9.0% |
| 8 Mar 2022 | -4.5% | +0.9% | -3.3% | -5.7% |
Biggest one-day rises
Of these 10, 6 were higher 21 sessions later · n = 10 · could be chance.
| Date | One-day change | After 5 sessions | After 21 sessions | After 63 sessions |
|---|---|---|---|---|
| 26 Jul 2024 | +10.9% | -1.0% | -1.4% | +3.1% |
| 6 Nov 2024 | +9.9% | -2.8% | -5.9% | -8.0% |
| 1 Feb 2024 | +9.1% | -0.5% | +1.5% | -7.9% |
| 23 Apr 2026 | +7.7% | -1.7% | -2.1% | +9.1% |
| 9 Apr 2025 | +7.6% | -3.6% | +1.3% | +20.8% |
| 12 May 2025 | +7.0% | +1.9% | +5.1% | +16.4% |
| 2 Mar 2022 | +5.5% | -2.0% | +5.9% | -9.7% |
| 10 Nov 2022 | +5.4% | +1.1% | +4.1% | -0.8% |
| 23 Jul 2026 | +5.3% | -4.2% | +0.6% | -5.9% |
| 22 Oct 2024 | +4.9% | -3.1% | -0.0% | -1.7% |