WLK
Westlake Corporation
stockNYSE
Market OpenNov 6, 2026 12:00:56 PM EST
64.46USD-2.753%(-1.82)195,604
As of 2026-10-15, there were 4,259,386 shares short with a short interest of 12.87%.
WLK Short Interest - Official
WLK Short Position Change - Official
WLK Short Interest - Official
| Settlement Date1 | Short Interest % | Short Position | Days to Cover2 | Short Position Change | Short Position Change % | Shares Out | Shares Float |
|---|---|---|---|---|---|---|---|
| 2026-10-15 | 12.87 | 4,259,386 | 3.90 | -608,316 | -12.50 | 127,796,548 | 33,089,071 |
| 2026-09-30 | 14.74 | 4,867,702 | 6.71 | -441,845 | -8.32 | 127,796,548 | 33,030,442 |
| 2026-09-15 | 16.07 | 5,309,547 | 7.42 | -368,394 | -6.49 | 127,796,548 | 33,030,442 |
| 2026-08-31 | 17.19 | 5,677,941 | 7.91 | +741,900 | +15.03 | 127,796,548 | 33,030,442 |
| 2026-08-14 | 14.94 | 4,936,041 | 3.70 | +102,433 | +2.12 | 127,796,548 | 33,030,442 |
| 2026-07-31 | 14.62 | 4,833,608 | 4.84 | -441,976 | -8.38 | 128,122,944 | 33,051,876 |
| 2026-07-15 | 15.86 | 5,275,584 | 4.48 | +407,685 | +8.37 | 128,122,944 | 33,273,414 |
| 2026-06-30 | 14.63 | 4,867,899 | 3.62 | +891,235 | +22.41 | 128,122,944 | 33,273,414 |
| 2026-06-15 | 11.95 | 3,976,664 | 4.70 | +374,326 | +10.39 | 128,122,944 | 33,273,414 |
| 2026-05-15 | 10.71 | 3,602,338 | 2.49 | +118,932 | +3.41 | 128,122,944 | 33,636,116 |
| 2026-04-30 | 10.50 | 3,483,406 | 3.55 | +36,084 | +1.05 | 128,083,490 | 33,179,151 |
| 2026-04-15 | 10.39 | 3,447,322 | 3.25 | -1,006,155 | -22.59 | 128,083,490 | 33,179,151 |
| 2026-03-31 | 13.42 | 4,453,477 | 3.46 | -575,654 | -11.45 | 127,910,338 | 33,179,151 |
| 2026-03-13 | 15.16 | 5,029,131 | 3.52 | +11,040 | +0.22 | 127,910,338 | 33,179,151 |
| 2026-02-27 | 15.12 | 5,018,091 | 3.60 | -536,023 | -9.65 | 128,273,152 | 33,179,151 |
| 2026-02-13 | 16.74 | 5,554,114 | 3.71 | -544,629 | -8.93 | 128,273,152 | 33,179,151 |
| 2026-01-30 | 18.38 | 6,098,743 | 4.55 | -200,820 | -3.19 | 128,273,152 | 33,179,151 |
| 2026-01-15 | 18.99 | 6,299,563 | 4.12 | +103,966 | +1.68 | 128,273,152 | 33,179,151 |
| 2025-12-31 | 18.67 | 6,195,597 | 4.89 | +728,050 | +13.32 | 128,273,152 | 33,179,151 |
| 2025-12-15 | 16.48 | 5,467,547 | 2.84 | -729,886 | -11.78 | 128,273,152 | 33,179,151 |
| 2025-11-28 | 18.68 | 6,197,433 | 3.37 | +1,176,853 | +23.44 | 128,273,152 | 33,180,434 |
| 2025-11-14 | 15.13 | 5,020,580 | 4.18 | -180,172 | -3.46 | 128,273,152 | 33,180,434 |
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.