WLK (Westlake Corporation) historical data
STOCKListed1-minute bars
| Symbol | WLK |
|---|---|
| Name | Westlake Corporation |
| Exchange | NYSE |
| Sector | Basic Materials |
| Industry | Chemicals - Specialty |
| IPO date | 2004-08-12 |
| History | 2004-08-13 to 2026-10-09 (about 22 years) |
| Bar sizes | Daily, hourly, 5-minute and 1-minute |
| Adjustments | Unadjusted, split-adjusted or split-and-dividend-adjusted, chosen on read |
| Survivorship | Included in the survivorship-free universe |
| Free tier | Last 12 months of daily bars |
Price history at a glance
WLK last closed at $62.29 on 2026-10-09, -20.7% over the past year and -31.0% over five years. Its deepest fall from a prior high in this history was -75.2%, reached on 2020-03-16.
| Last close | $62.29 (2026-10-09) |
|---|---|
| 1-year change | -20.7% |
| 5-year change | -31.0% |
| Annualized since 2004-08-13 | +11.6% |
| 52-week range | $54.89 – $121.80 |
| Deepest drawdown | -75.2% (2020-03-16) |
| Avg. daily dollar volume (3 months) | $66.9m |
| Daily bars in history | 5,574 |
Split- and dividend-adjusted closes. Computed by FinzData from its own daily bars.
Institutional ownership (13F, 2026Q2)
| Managers holding | 358 |
|---|---|
| Shares held | 39,787,940 ($2.9bn reported value) |
| Quarter flows | 87 new, 109 added, 119 trimmed, 68 exited; -4,323,607 shares vs the prior quarter |
From SEC Form 13F filings. Every holder, line by line, and the full history since 2013: yf.Client().holders("WLK") on the look-back bundles. Top holders of WLK · All 13F managers
Get it in Python
import finzdata as yf
df = yf.Ticker("WLK").history(start="2004-08-13", interval="1d")
df.tail()