MA'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, 8 were higher 21 sessions later · n = 10 · could be chance.
| Date | One-day change | After 5 sessions | After 21 sessions | After 63 sessions |
|---|---|---|---|---|
| 4 Apr 2025 | -7.7% | +4.2% | +14.3% | +15.0% |
| 27 Oct 2021 | -6.0% | -1.9% | -3.4% | +4.5% |
| 23 Feb 2026 | -5.8% | +5.0% | +0.6% | +0.5% |
| 26 Oct 2023 | -5.6% | +5.0% | +12.2% | +21.0% |
| 19 Jul 2021 | -5.6% | +7.5% | -0.6% | -2.5% |
| 9 May 2022 | -5.5% | +0.5% | +10.5% | +5.8% |
| 22 Nov 2021 | -5.4% | -2.0% | +11.3% | +12.6% |
| 18 Jun 2025 | -5.4% | +1.3% | +3.1% | +8.9% |
| 7 Mar 2022 | -5.4% | +5.0% | +16.1% | +15.2% |
| 16 Jun 2022 | -5.1% | +7.0% | +10.4% | +2.2% |
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 |
|---|---|---|---|---|
| 28 Jan 2022 | +9.1% | -0.1% | -9.9% | -4.9% |
| 9 Apr 2025 | +7.6% | -0.4% | +10.3% | +6.9% |
| 10 Nov 2022 | +6.9% | +1.2% | +6.2% | +10.1% |
| 27 Apr 2022 | +5.1% | +1.9% | -3.2% | -2.4% |
| 29 Mar 2022 | +4.9% | -1.2% | +3.2% | -12.1% |
| 28 Apr 2022 | +4.8% | -6.7% | -5.6% | -6.5% |
| 6 Jan 2023 | +4.7% | +2.1% | +2.0% | -1.9% |
| 11 Dec 2025 | +4.5% | +0.5% | -3.3% | -9.7% |
| 2 Dec 2021 | +4.5% | +7.6% | +15.8% | +3.4% |
| 9 Mar 2022 | +4.4% | +5.0% | +6.7% | +10.6% |