STOCKS
WDC
Western Digital
How often this market makes each size of move, graded against its own history · to 31 August 2026
Daily moves
| Reading | Times | Share | |
|---|---|---|---|
| Max | 5 | 1.9% | |
| Very High | 7 | 2.7% | |
| High | 17 | 6.5% | |
| Moderate | 8 | 3.1% | |
| Low | 97 | 37.2% | |
| Very Low | 127 | 48.7% |
A Very High or Max day shows up about 6 times a year for WDC — 12 times in the history we hold. The most recent was 6 Aug 2026, when it fell 13.0%.
Biggest moves on record
| When | Move | Reading |
|---|---|---|
| 6 Jan 2026 | +16.8% | Moderate |
| 15 Jun 2026 | +16.1% | High |
| 30 Jul 2026 | +15.4% | High |
| 29 Oct 2025 | +13.2% | Low |
| 26 Jun 2026 | −13.2% | Very High |