WLK short interest
Westlake Corporation · Basic Materials · Chemicals - Specialty · settlement date 2026-09-30
| Shares short | 4,867,702 |
|---|---|
| Change vs prior report | -441,845 (-8.3%) |
| Change over six months | +9.3% |
| Days to cover | 6.71 (sector: 2.35) |
| Average daily volume | 725,202 |
| Rank in Basic Materials | #41 of 278 by days to cover |
WLK short interest, last 12 months
| Settlement | Shares short | Change | Days to cover | Avg daily volume |
|---|---|---|---|---|
| 2026-09-30 | 4,867,702 | -8.3% | 6.71 | 725,202 |
| 2026-09-15 | 5,309,547 | -6.5% | 7.42 | 715,420 |
| 2026-08-31 | 5,677,941 | +15.0% | 7.91 | 717,547 |
| 2026-08-14 | 4,936,041 | +2.1% | 3.70 | 1,334,864 |
| 2026-07-31 | 4,833,608 | -8.4% | 4.84 | 998,082 |
| 2026-07-15 | 5,275,584 | +8.4% | 4.48 | 1,177,326 |
| 2026-06-30 | 4,867,899 | +22.4% | 3.62 | 1,346,386 |
| 2026-06-15 | 3,976,664 | +6.3% | 4.70 | 846,901 |
| 2026-05-29 | 3,741,497 | +3.9% | 3.85 | 971,294 |
| 2026-05-15 | 3,602,338 | +3.4% | 2.49 | 1,446,320 |
| 2026-04-30 | 3,483,406 | +1.1% | 3.55 | 981,582 |
| 2026-04-15 | 3,447,322 | -22.6% | 3.25 | 1,059,838 |
| 2026-03-31 | 4,453,477 | -11.4% | 3.46 | 1,287,926 |
| 2026-03-13 | 5,029,131 | +0.2% | 3.52 | 1,427,105 |
| 2026-02-27 | 5,018,091 | -9.7% | 3.60 | 1,393,222 |
| 2026-02-13 | 5,554,114 | -8.9% | 3.71 | 1,497,397 |
| 2026-01-30 | 6,098,743 | -3.2% | 4.55 | 1,340,660 |
| 2026-01-15 | 6,299,563 | +1.7% | 4.12 | 1,527,654 |
| 2025-12-31 | 6,195,597 | +13.3% | 4.89 | 1,266,213 |
| 2025-12-15 | 5,467,547 | -11.8% | 2.84 | 1,926,976 |
| 2025-11-28 | 6,197,433 | +23.4% | 3.37 | 1,840,336 |
| 2025-11-14 | 5,020,580 | -3.5% | 4.18 | 1,201,730 |
| 2025-10-31 | 5,200,752 | +1.2% | 3.89 | 1,336,589 |
| 2025-10-15 | 5,140,703 | +15.5% | 4.33 | 1,186,955 |
| 2025-09-30 | 4,449,184 | -5.6% | 4.01 | 1,110,840 |
import finzdata as yf
yf.Ticker("WLK").short_interest # every report since 2017
yf.Client().short_interest(["WLK"], start="2018-01-01")Basic Materials short interest · WLK price history · Who owns WLK · All short interest