MPWR'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 30 Mar 2021 to 9 Nov 2026 (1411 sessions). Later changes are measured from the close on the day of the move.
Biggest one-day falls
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 |
|---|---|---|---|---|
| 31 Oct 2024 | -17.5% | +2.1% | -23.6% | -13.6% |
| 3 Apr 2025 | -15.6% | -2.8% | +25.8% | +48.6% |
| 11 Nov 2024 | -15.0% | -9.2% | -3.6% | +8.1% |
| 10 Apr 2025 | -13.7% | +8.0% | +46.3% | +48.8% |
| 27 Jan 2025 | -11.4% | +4.7% | +11.8% | -2.6% |
| 5 May 2023 | -10.4% | -2.9% | +20.9% | +31.7% |
| 5 Jun 2026 | -10.4% | +6.5% | -11.2% | -17.4% |
| 5 Nov 2026 | -10.3% | pending | pending | pending |
| 3 Sep 2024 | -10.3% | +1.1% | +9.6% | -30.8% |
| 16 Jun 2026 | -9.3% | -4.3% | -12.5% | -23.4% |
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 |
|---|---|---|---|---|
| 9 Apr 2025 | +23.4% | -6.6% | +13.5% | +31.0% |
| 25 May 2023 | +17.5% | +1.8% | +9.1% | +0.2% |
| 9 Nov 2026 | +16.6% | pending | pending | pending |
| 8 Feb 2024 | +14.2% | -0.4% | -2.4% | -3.9% |
| 10 Nov 2022 | +12.5% | -2.8% | +1.6% | +29.6% |
| 8 Aug 2024 | +11.4% | +9.1% | -0.9% | -6.9% |
| 3 May 2022 | +11.3% | -9.8% | +3.2% | +15.0% |
| 12 May 2025 | +11.2% | -1.0% | +1.6% | +18.5% |
| 13 May 2022 | +11.1% | -3.1% | -5.7% | +24.4% |
| 15 Feb 2022 | +10.6% | -10.0% | -5.8% | -7.5% |