STT'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 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 |
|---|---|---|---|---|
| 14 Jul 2023 | -12.1% | +3.2% | +4.8% | -4.9% |
| 17 Apr 2023 | -9.2% | +1.1% | -8.3% | -5.2% |
| 14 Apr 2022 | -8.5% | -6.5% | -9.9% | -13.5% |
| 4 Apr 2025 | -7.9% | +4.1% | +19.0% | +43.2% |
| 3 Apr 2025 | -7.5% | -4.6% | +9.3% | +32.5% |
| 13 Mar 2023 | -7.4% | -0.7% | +6.6% | -0.4% |
| 15 Jul 2025 | -7.3% | +7.5% | +9.3% | +11.9% |
| 19 Jan 2022 | -7.1% | +0.5% | -0.2% | -18.6% |
| 16 Apr 2021 | -7.0% | +0.8% | +7.4% | +5.5% |
| 17 Feb 2022 | -6.6% | -5.2% | -5.6% | -29.1% |
Biggest one-day rises
Of these 10, 8 were higher 21 sessions later · n = 10 · could be chance.
| Date | One-day change | After 5 sessions | After 21 sessions | After 63 sessions |
|---|---|---|---|---|
| 15 Jul 2022 | +9.7% | +3.8% | +13.4% | -2.3% |
| 9 Apr 2025 | +9.3% | -3.3% | +14.0% | +33.1% |
| 7 Dec 2022 | +8.2% | -0.7% | +1.4% | +0.1% |
| 30 Nov 2022 | +7.8% | +1.0% | -1.8% | +14.4% |
| 16 Jul 2024 | +7.4% | -1.2% | -6.9% | +8.1% |
| 21 Oct 2022 | +6.6% | +8.2% | +10.8% | +26.9% |
| 10 Nov 2022 | +6.2% | -6.7% | +0.5% | +18.7% |
| 9 Jul 2021 | +5.7% | +0.3% | +7.7% | +6.6% |
| 13 Oct 2022 | +5.6% | +2.1% | +27.5% | +31.7% |
| 24 Jun 2022 | +5.4% | -3.5% | +2.0% | -3.1% |