MDT'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, 3 were higher 21 sessions later · n = 10 · could be chance.
| Date | One-day change | After 5 sessions | After 21 sessions | After 63 sessions |
|---|---|---|---|---|
| 18 Feb 2025 | -7.3% | +5.1% | +6.7% | +1.8% |
| 8 Nov 2022 | -6.3% | +4.0% | -3.0% | +5.2% |
| 15 Dec 2021 | -6.0% | -2.8% | +4.1% | +5.2% |
| 26 May 2022 | -5.8% | -4.0% | -9.6% | -9.4% |
| 4 Apr 2025 | -5.7% | +0.0% | -0.7% | +7.8% |
| 18 Oct 2021 | -5.5% | +2.4% | -2.3% | -10.4% |
| 22 Nov 2022 | -5.3% | +1.4% | -0.1% | +8.1% |
| 14 Jul 2026 | -5.1% | +3.8% | +14.5% | +15.9% |
| 23 May 2024 | -5.1% | -0.0% | -1.2% | +9.5% |
| 22 Apr 2022 | -4.7% | -3.2% | -3.3% | -15.2% |
Biggest one-day rises
Of these 9, 6 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 | +6.1% | pending | pending | pending |
| 3 Jun 2026 | +5.7% | +3.0% | +6.6% | +18.3% |
| 4 Jun 2026 | +5.1% | -2.0% | +2.3% | +13.6% |
| 2 Jul 2026 | +5.0% | +0.8% | +4.2% | +3.9% |
| 18 Nov 2025 | +4.7% | +4.5% | -2.3% | -3.9% |
| 24 Apr 2023 | +4.6% | +1.1% | -2.9% | -0.0% |
| 21 Nov 2023 | +4.6% | +0.3% | +5.1% | +9.9% |
| 14 Jan 2025 | +4.2% | +3.0% | +8.2% | -2.6% |
| 9 Apr 2025 | +4.2% | -3.0% | -2.1% | +6.3% |
| 17 Jul 2024 | +4.0% | -1.6% | +2.9% | +11.4% |