MOS'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 4 Nov 2026 (1405 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 |
|---|---|---|---|---|
| 6 Aug 2025 | -13.3% | +4.1% | +4.9% | -14.2% |
| 9 May 2022 | -12.8% | +12.9% | +1.9% | -3.1% |
| 4 May 2023 | -10.0% | -6.8% | -13.3% | +7.5% |
| 20 Mar 2026 | -10.0% | +6.0% | +2.6% | -6.7% |
| 14 Oct 2022 | -9.9% | +13.3% | +13.4% | +1.1% |
| 4 Apr 2025 | -9.7% | +10.1% | +29.9% | +60.1% |
| 23 Jun 2022 | -9.6% | +4.4% | +11.6% | +16.4% |
| 21 Apr 2022 | -9.4% | -4.9% | -15.6% | -30.4% |
| 10 Oct 2025 | -9.2% | -3.4% | -14.7% | -15.3% |
| 2 Nov 2021 | -9.2% | -0.3% | -7.8% | +17.6% |
Biggest one-day rises
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 |
|---|---|---|---|---|
| 4 Nov 2026 | +17.4% | pending | pending | pending |
| 11 Mar 2026 | +10.1% | -4.7% | -15.1% | -32.0% |
| 25 Feb 2022 | +9.2% | +21.1% | +37.5% | +19.3% |
| 1 Feb 2022 | +9.1% | +3.1% | +28.0% | +55.9% |
| 3 May 2022 | +8.7% | -15.0% | -11.2% | -21.8% |
| 9 Apr 2025 | +8.4% | +9.3% | +32.4% | +48.6% |
| 21 Mar 2022 | +8.2% | +1.1% | +12.8% | -23.1% |
| 13 Jan 2025 | +8.0% | +1.1% | -2.5% | +0.0% |
| 10 Nov 2022 | +7.8% | -6.6% | -11.4% | -5.8% |
| 10 Mar 2022 | +7.7% | -1.8% | +18.8% | -13.5% |