Westlake Corporation (WLK) Stock Price History
Historical prices from 2011 to 2026
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WLK Historical Performance
Short-Term Returns
WLK Stock Price Trajectory (2011–2026)
As of May 6, 2026, Westlake Corporation (WLK) trades at $104.78, representing a +34.0% return over the past year. The stock has delivered a +11.1% total return over five years (+0.5% CAGR), reflecting significant long-term value creation.
The stock reached its all-time high of $162.64 on April 9, 2024. From this peak, WLK has corrected -35.6%, currently trading 20% above its 200-day moving average, indicating continued institutional support.
When compared to Basic Materials sector peers OLN (+39.1% 1Y), LYB (+38.3% 1Y), and HUN (+29.1% 1Y), WLK has underperformed the peer group average. Compare WLK vs OLN →
WLK Historical Price Data (2011–2026)
Showing 30 of 3,650 records| Date | Open | High | Low | Close | Volume | Change % |
|---|---|---|---|---|---|---|
| 2026-05-05 | 102.53 | 106.93 | 101.23 | 104.78 | 1.80M | -8.78% |
| 2026-05-04 | 115.52 | 116.26 | 112.40 | 114.87 | 1.16M | -0.10% |
| 2026-05-01 | 115.75 | 117.00 | 114.78 | 114.99 | 866K | -0.25% |
| 2026-04-30 | 112.50 | 115.71 | 111.19 | 115.28 | 701K | +3.47% |
| 2026-04-29 | 112.09 | 112.48 | 110.48 | 111.41 | 918K | +0.96% |
| 2026-04-28 | 112.41 | 112.86 | 109.14 | 110.35 | 680K | -0.76% |
| 2026-04-27 | 111.91 | 113.66 | 109.42 | 111.19 | 632K | +0.50% |
| 2026-04-24 | 112.00 | 113.49 | 109.68 | 110.64 | 1.04M | -1.43% |
| 2026-04-23 | 114.35 | 115.60 | 110.58 | 112.25 | 964K | -1.78% |
| 2026-04-22 | 117.87 | 117.87 | 113.50 | 114.28 | 1.07M | -1.18% |
| 2026-04-21 | 112.93 | 115.85 | 112.15 | 115.65 | 845K | +1.55% |
| 2026-04-20 | 111.72 | 115.60 | 111.72 | 113.88 | 830K | +1.13% |
| 2026-04-17 | 113.20 | 114.51 | 110.79 | 112.61 | 1.47M | -5.37% |
| 2026-04-16 | 116.73 | 119.22 | 116.41 | 119.00 | 1.07M | +3.25% |
| 2026-04-15 | 118.13 | 118.41 | 114.42 | 115.25 | 943K | -2.27% |
| 2026-04-14 | 117.78 | 118.98 | 115.01 | 117.93 | 914K | -1.85% |
| 2026-04-13 | 119.34 | 121.94 | 118.79 | 120.15 | 602K | +1.50% |
| 2026-04-10 | 118.97 | 120.92 | 117.50 | 118.37 | 908K | +0.99% |
| 2026-04-09 | 120.99 | 122.53 | 116.26 | 117.21 | 1.21M | -2.98% |
| 2026-04-08 | 115.23 | 120.89 | 113.33 | 120.81 | 1.49M | -2.09% |
| 2026-04-07 | 120.78 | 124.23 | 119.44 | 123.39 | 995K | +3.23% |
| 2026-04-06 | 117.61 | 119.58 | 116.36 | 119.53 | 1.03M | +0.11% |
| 2026-04-02 | 116.00 | 119.93 | 114.49 | 119.40 | 761K | +2.42% |
| 2026-04-01 | 117.00 | 119.35 | 115.43 | 116.58 | 1.05M | -0.21% |
| 2026-03-31 | 116.75 | 119.69 | 114.47 | 116.82 | 1.21M | +0.71% |
| 2026-03-30 | 115.11 | 117.17 | 113.59 | 116.00 | 1.96M | +2.39% |
| 2026-03-27 | 112.86 | 114.44 | 111.80 | 113.29 | 1.07M | -0.15% |
| 2026-03-26 | 113.63 | 115.94 | 112.56 | 113.46 | 1.02M | -0.67% |
| 2026-03-25 | 114.41 | 116.19 | 113.23 | 114.22 | 1.12M | +0.11% |
| 2026-03-24 | 107.94 | 115.13 | 107.07 | 114.09 | 1.03M | +5.15% |
Full WLK Stock Analysis
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View ValuationCompare WLK vs LIN
Side-by-side business, growth, and profitability comparison vs Linde plc.
Start ComparisonWLK — Frequently Asked Questions
Quick answers to the most common questions about buying WLK stock.
How has WLK stock performed recently?
WLK returned +34.0% over the past year, beating its 5-year annualized CAGR of +0.5%. The stock trades above its 200-day moving average, confirming the uptrend.
What is WLK's all-time high price?
Westlake Corporation reached $162.64 on 2024-04-09. The 52-week high is $124.23. Current 1-year return of +34.0% places the stock closer to historical peaks.
Where can I download WLK historical price data?
This page provides WLK daily OHLCV data with 50-day MA, 200-day MA, and RSI indicators. Data spans 2011-2026, downloadable in CSV format.