WDFC
Wd-40 Co
stockNASDAQ
At CloseOct 9, 2026 3:59:59 PM EDT
202.21USD-0.829%(-1.69)91,941
After-hoursOct 9, 2026 4:24:30 PM EDT
203.00USD+0.391%(+0.79)
As of 2026-09-30, there were 552,633 shares short with a short interest of 4.13%.
WDFC Short Interest - Official
Short Interest
WDFC Short Position Change - Official
Short Position Change
WDFC Short Interest - Official
| Settlement Date1 | Short Interest % | Short Position | Days to Cover2 | Short Position Change | Short Position Change % | Shares Out | Shares Float |
|---|---|---|---|---|---|---|---|
| 2026-09-30 | 4.13 | 552,633 | 3.92 | -1,257 | -0.23 | 13,421,096 | 13,368,217 |
| 2026-09-15 | 4.14 | 553,890 | 4.95 | -6,276 | -1.12 | 13,421,096 | 13,368,217 |
| 2026-08-31 | 4.19 | 560,166 | 6.17 | +41,105 | +7.92 | 13,421,096 | 13,368,217 |
| 2026-08-14 | 3.88 | 519,061 | 5.11 | +17,704 | +3.53 | 13,421,096 | 13,368,217 |
| 2026-07-31 | 3.75 | 501,357 | 3.71 | +11,223 | +2.29 | 13,421,096 | 13,362,848 |
| 2026-07-15 | 3.66 | 490,134 | 1.84 | -35,450 | -6.74 | 13,421,096 | 13,381,285 |
| 2026-06-30 | 3.92 | 525,584 | 2.81 | -67,785 | -11.42 | 13,455,402 | 13,398,889 |
| 2026-06-15 | 4.43 | 593,369 | 3.84 | +62,730 | +11.82 | 13,455,402 | 13,385,041 |
| 2026-05-15 | 3.96 | 530,639 | 4.02 | -56,806 | -9.67 | 13,455,402 | 13,384,503 |
| 2026-04-30 | 4.36 | 587,445 | 3.02 | -55,516 | -8.63 | 13,455,402 | 13,461,635 |
| 2026-04-15 | 4.78 | 642,961 | 2.65 | -107,039 | -14.27 | 13,455,402 | 13,461,635 |
| 2026-03-31 | 5.57 | 750,000 | 4.37 | +37,411 | +5.25 | 13,486,302 | 13,461,635 |
| 2026-03-13 | 5.29 | 712,589 | 4.99 | +63,949 | +9.86 | 13,486,302 | 13,461,635 |
| 2026-02-27 | 4.82 | 648,640 | 5.16 | +10,517 | +1.65 | 13,486,302 | 13,461,635 |
| 2026-02-13 | 4.74 | 638,123 | 3.49 | +12,141 | +1.94 | 13,486,302 | 13,461,635 |
| 2026-01-30 | 4.65 | 625,982 | 4.26 | -46,342 | -6.89 | 13,486,302 | 13,461,635 |
| 2026-01-15 | 4.99 | 672,324 | 2.46 | +29,706 | +4.62 | 13,486,302 | 13,461,635 |
| 2025-12-31 | 4.77 | 642,618 | 4.77 | -35,056 | -5.17 | 13,527,835 | 13,461,635 |
| 2025-12-15 | 5.03 | 677,674 | 6.22 | +49,742 | +7.92 | 13,527,835 | 13,462,636 |
| 2025-11-28 | 4.66 | 627,932 | 6.30 | +21,951 | +3.62 | 13,527,835 | 13,470,206 |
| 2025-11-14 | 4.50 | 605,981 | 6.12 | -5,886 | -0.96 | 13,527,835 | 13,470,206 |
| 2025-10-31 | 4.54 | 611,867 | 3.51 | -31,489 | -4.89 | 13,527,835 | 13,485,444 |
| 2025-10-15 | 4.77 | 643,356 | 5.72 | +33,261 | +5.45 | 13,533,864 | 13,498,901 |
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.