MPC'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 8, 3 were higher 21 sessions later · n = 8 · could be chance.
| Date | One-day change | After 5 sessions | After 21 sessions | After 63 sessions |
|---|---|---|---|---|
| 3 Apr 2025 | -13.1% | -5.5% | +11.5% | +38.0% |
| 30 Apr 2024 | -9.4% | -0.4% | -4.9% | -2.1% |
| 4 Nov 2026 | -8.1% | pending | pending | pending |
| 8 Oct 2024 | -7.7% | -1.9% | -3.0% | -10.5% |
| 10 Apr 2025 | -7.5% | +5.1% | +30.1% | +45.3% |
| 27 Oct 2026 | -7.4% | -2.0% | pending | pending |
| 4 Apr 2023 | -7.2% | +3.5% | -16.5% | -9.3% |
| 16 Jun 2022 | -7.0% | -6.8% | -4.5% | +4.6% |
| 4 Nov 2025 | -6.1% | +8.9% | +3.5% | +6.6% |
| 3 May 2023 | -5.9% | +1.5% | -0.4% | +24.6% |
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 |
|---|---|---|---|---|
| 9 Apr 2025 | +10.9% | -5.6% | +14.8% | +37.6% |
| 28 Sep 2022 | +7.8% | +7.5% | +13.5% | +15.1% |
| 10 Aug 2026 | +7.4% | +11.8% | +24.7% | pending |
| 4 Feb 2025 | +6.7% | -1.0% | -11.8% | -7.3% |
| 1 Oct 2026 | +6.3% | +10.3% | +5.9% | pending |
| 30 Jan 2024 | +6.1% | -1.9% | +0.1% | +7.5% |
| 2 Feb 2022 | +6.1% | +1.6% | -0.3% | +23.6% |
| 3 Feb 2026 | +6.0% | +8.8% | +15.9% | +38.9% |
| 5 Jan 2026 | +5.9% | +0.3% | +12.0% | +40.3% |
| 2 Mar 2026 | +5.9% | +2.8% | +16.4% | +23.3% |