Premarket trading runs 4:00 AM – 9:30 AM ET.
Over the past 5 years, WDC has had 31 qualifying gap events (gaps of 5% or more at the open) — 19 gap-ups and 12 gap-downs. Gap-ups averaged +7.3%, 53% have fully filled, median time to fill 5.5 trading days. Gap-downs averaged -9%, 92% have fully filled, median time to fill 5 trading days. Most recent: a -6.5% gap down on May 1, 2026, which filled in 1 trading day. WDC has 2 unfilled gaps from the past 60 days; the largest is a +8.5% gap up on Apr 29, 2026, currently 61% retraced. Average 20-trading-day return after a WDC gap up: +11.77%. After a gap down: +13.45%.
| 1 day | 1 week | 2 week | 4 week | |
|---|---|---|---|---|
| fills 25% | 74% | 84% | 84% | 84% |
| fills 50% | 42% | 58% | 58% | 63% |
| fills 75% | 21% | 42% | 47% | 53% |
| fills 100% | 5% | 32% | 32% | 47% |
| 1 day | 1 week | 2 week | 4 week | |
|---|---|---|---|---|
| fills 25% | 67% | 75% | 75% | 92% |
| fills 50% | 50% | 67% | 75% | 92% |
| fills 75% | 33% | 67% | 67% | 92% |
| fills 100% | 25% | 50% | 67% | 83% |
| Date | Gap From | Gap % | Status | Days to 50% | Days to Fill | % of Gap Filled After | |||
|---|---|---|---|---|---|---|---|---|---|
| 1 day | 1 week | 2 week | 4 week | ||||||
| 2026-05-01 | $434.52 | -6.51% | Filled | 1d | 1d | 100% | 100% | 100% | 100% |
| 2026-04-29 | $390.99 | +8.53% | Open | 3d | — | 43% | 61% | 61% | 61% |
| 2026-04-08 | $311.96 | +7.39% | Open | — | — | 15% | 24% | 24% | 24% |
| 2026-04-02 | $297.73 | -6.57% | Filled | 1d | 1d | 100% | 100% | 100% | 100% |
| 2026-03-03 | $270.08 | -5.74% | Filled | 2d | 2d | 16% | 100% | 100% | 100% |
| 2025-12-18 | $166.26 | +5.14% | Open | — | — | 4% | 35% | 41% | 41% |
| 2025-11-20 | $153.97 | +5.66% | Filled | 1d | 1d | 100% | 100% | 100% | 100% |
| 2025-10-31 | $138.13 | +12.58% | Filled | 1d | 15d | 88% | 88% | 88% | 100% |
| 2025-10-29 | $124.92 | +5.21% | Open | — | — | 3% | 3% | 3% | 3% |
| 2025-10-13 | $115.42 | +5.92% | Filled | 1d | 2d | 91% | 100% | 100% | 100% |
| 2025-05-12 | $44.10 | +6.30% | Open | — | — | 17% | 17% | 17% | 17% |
| 2025-04-30 | $40.62 | +5.81% | Open | — | — | 49% | 49% | 49% | 49% |
| 2025-04-14 | $34.40 | +5.99% | Open | 1d | — | 57% | 71% | 71% | 71% |
| 2025-04-03 | $41.78 | -7.23% | Filled | 15d | 19d | 5% | 5% | 5% | 100% |
| 2025-02-24 | $68.70 | -23.43% | Open | — | — | 0% | 0% | 0% | 0% |
| 2025-01-30 | $62.80 | +5.81% | Filled | 1d | 17d | 75% | 86% | 86% | 100% |
| 2024-10-25 | $66.32 | +9.45% | Filled | 1d | 5d | 52% | 100% | 100% | 100% |
| 2024-09-26 | $66.00 | +6.55% | Filled | 3d | 6d | 42% | 100% | 100% | 100% |
| 2024-08-05 | $57.23 | -5.59% | Filled | 1d | 1d | 100% | 100% | 100% | 100% |
| 2024-08-01 | $67.05 | -10.01% | Filled | 11d | 37d | 42% | 42% | 51% | 77% |
| 2024-07-31 | $63.18 | +5.05% | Filled | 1d | 2d | 53% | 100% | 100% | 100% |
| 2024-03-21 | $60.72 | +6.72% | Open | — | — | 26% | 43% | 43% | 43% |
| 2024-01-22 | $54.77 | +5.59% | Filled | 15d | 20d | 43% | 43% | 43% | 100% |
| 2023-10-31 | $41.80 | -6.70% | Filled | 1d | 2d | 91% | 100% | 100% | 100% |
| 2023-10-30 | $38.97 | +10.73% | Filled | 1d | 2d | 56% | 100% | 100% | 100% |
| 2023-05-15 | $33.03 | +8.20% | Open | — | — | 44% | 44% | 44% | 44% |
| 2022-12-15 | $35.83 | -5.78% | Filled | 14d | 15d | 3% | 3% | 3% | 100% |
| 2022-08-05 | $49.91 | -8.38% | Filled | 1d | 5d | 57% | 100% | 100% | 100% |
| 2022-05-03 | $53.92 | +11.35% | Filled | 5d | 28d | 14% | 63% | 95% | 95% |
| 2022-01-28 | $53.84 | -8.82% | Filled | 1d | 9d | 62% | 95% | 100% | 100% |
| 2021-10-29 | $57.28 | -12.85% | Filled | 2d | 7d | 49% | 92% | 100% | 100% |
Western Digital (WDC) is trading at $551.20 in premarket, down $24.30 (+4.22%) from the previous close of $575.50.
Premarket trading for WDC on the NASDAQ runs from 4:00 AM to 9:30 AM Eastern Time, ahead of the regular session (9:30 AM – 4:00 PM ET). After-hours runs from 4:00 PM to 8:00 PM ET.
Over the past 5 years, 53% of WDC gap-ups have fully filled and 92% of gap-downs have filled. Median time to fill is 6 trading days for gap-ups and 5 trading days for gap-downs.
Yes. WDC has 2 unfilled gaps from the past 60 days. The largest is a +8.5% gap up from Apr 29, 2026 and is currently 61% retraced.
Based on 31 qualifying gap events over the past 5 years, the average 20-trading-day return after a WDC gap up is +11.77%, and after a gap down is +13.45%.