ROP'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 |
|---|---|---|---|---|
| 27 Jan 2026 | -9.6% | -5.5% | -4.6% | -4.1% |
| 24 Jul 2024 | -7.4% | +2.4% | +2.6% | +3.9% |
| 4 Apr 2025 | -6.4% | +3.4% | +5.1% | +4.4% |
| 3 Feb 2026 | -6.4% | +0.0% | +4.9% | +2.2% |
| 23 Oct 2025 | -5.7% | -7.6% | -7.5% | -14.9% |
| 18 May 2022 | -4.9% | +3.5% | -8.9% | +5.6% |
| 30 Jul 2026 | -4.6% | +2.0% | +9.5% | +13.2% |
| 5 May 2022 | -4.5% | -3.3% | -4.1% | -2.5% |
| 31 Jan 2024 | -4.4% | +2.2% | +2.0% | -4.0% |
| 11 Feb 2026 | -4.3% | -0.5% | +5.2% | -5.3% |
Biggest one-day rises
Of these 9, 8 were higher 21 sessions later · n = 9 · could be chance.
| Date | One-day change | After 5 sessions | After 21 sessions | After 63 sessions |
|---|---|---|---|---|
| 22 Oct 2026 | +9.7% | +3.1% | pending | pending |
| 9 Apr 2025 | +6.7% | +0.5% | +3.0% | -1.0% |
| 1 Jun 2026 | +5.8% | -3.1% | +3.0% | +23.4% |
| 23 Jul 2026 | +5.5% | +9.6% | +16.0% | +12.0% |
| 10 Nov 2022 | +5.3% | -2.0% | +0.3% | -1.8% |
| 27 Apr 2023 | +5.1% | +0.1% | -0.7% | +8.9% |
| 30 Jan 2025 | +5.1% | +2.2% | +2.7% | -2.1% |
| 1 Jul 2026 | +4.8% | +0.4% | +10.5% | -1.5% |
| 16 Jul 2026 | +4.5% | -2.5% | +9.6% | +2.3% |
| 29 Jul 2026 | +4.4% | -3.3% | +3.6% | +6.5% |