WDC
Western Digital Corp.
stockNASDAQ
At CloseOct 2, 2026 3:59:59 PM EDT
415.31USD-10.215%(-47.25)24,768,459
Pre-marketOct 2, 2026 9:29:30 AM EDT
423.78USD-8.384%(-38.78)
After-hoursOct 2, 2026 4:58:30 PM EDT
415.78USD+0.113%(+0.47)
As of 2026-09-15, there were 17,280,387 shares short with a short interest of 5.06%.
WDC Short Interest - Official
Short Interest
WDC Short Position Change - Official
Short Position Change
WDC Short Interest - Official
| Settlement Date1 | Short Interest % | Short Position | Days to Cover2 | Short Position Change | Short Position Change % | Shares Out | Shares Float |
|---|---|---|---|---|---|---|---|
| 2026-09-15 | 5.06 | 17,280,387 | 3.13 | -2,607,404 | -13.11 | 360,540,944 | 341,457,155 |
| 2026-08-31 | 5.82 | 19,887,791 | 3.14 | -393,324 | -1.94 | 360,540,944 | 341,457,155 |
| 2026-08-14 | 5.94 | 20,281,115 | 2.26 | -4,318,502 | -17.56 | 344,682,131 | 341,457,155 |
| 2026-07-31 | 7.20 | 24,599,617 | 3.18 | +1,341,097 | +5.77 | 344,682,131 | 341,453,019 |
| 2026-07-15 | 6.81 | 23,258,520 | 3.43 | +881,371 | +3.94 | 344,682,131 | 341,450,950 |
| 2026-06-30 | 6.55 | 22,377,149 | 1.62 | -4,072,257 | -15.40 | 344,682,131 | 341,461,980 |
| 2026-06-15 | 7.75 | 26,449,406 | 3.87 | -3,316,128 | -11.14 | 344,682,131 | 341,411,657 |
| 2026-05-15 | 8.71 | 29,765,534 | 3.50 | +624,620 | +2.14 | 344,682,131 | 341,717,045 |
| 2026-04-30 | 8.60 | 29,140,914 | 4.18 | +2,382,733 | +8.90 | 339,037,922 | 338,963,113 |
| 2026-04-15 | 7.89 | 26,758,181 | 3.56 | +104,403 | +0.39 | 339,037,922 | 338,963,113 |
| 2026-03-31 | 7.86 | 26,653,778 | 2.81 | -914,187 | -3.32 | 339,037,922 | 338,963,113 |
| 2026-03-13 | 8.13 | 27,567,965 | 3.53 | -2,314,636 | -7.75 | 339,037,922 | 338,963,113 |
| 2026-02-27 | 8.82 | 29,882,601 | 3.36 | -1,703,031 | -5.39 | 339,037,922 | 338,963,113 |
| 2026-02-13 | 9.32 | 31,585,632 | 2.67 | +44,665 | +0.14 | 339,037,922 | 338,963,113 |
| 2026-01-30 | 9.31 | 31,540,967 | 2.95 | -1,972,399 | -5.89 | 339,037,922 | 338,963,113 |
| 2026-01-15 | 9.89 | 33,513,366 | 3.50 | -3,352,942 | -9.09 | 341,899,281 | 338,963,113 |
| 2025-12-31 | 10.88 | 36,866,308 | 4.54 | +5,514,447 | +17.59 | 341,899,281 | 338,963,113 |
| 2025-12-15 | 9.25 | 31,351,861 | 4.77 | +526,484 | +1.71 | 341,899,281 | 338,963,113 |
| 2025-11-28 | 9.08 | 30,825,377 | 3.93 | -2,799,912 | -8.33 | 341,899,281 | 339,451,282 |
| 2025-11-14 | 9.90 | 33,625,289 | 3.40 | +1,669,084 | +5.22 | 341,899,281 | 339,577,785 |
| 2025-10-31 | 9.27 | 31,956,205 | 3.10 | -2,230,084 | -6.52 | 341,899,281 | 344,545,709 |
| 2025-10-15 | 9.92 | 34,186,289 | 3.29 | -2,662,977 | -7.23 | 342,795,534 | 344,667,132 |
Historical data is split-adjusted.
1 Data from Finra. Finra publishes an updated file every two weeks.
2 Days to Cover (DTC) is also called Short Ratio. This is the Short Position / Average Daily Trading Volume.