WLK
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Westlake Corporation (WLK) closed at $114.99 as of 2026-05-01, trading 5.8% above its 200-week moving average of $108.71. The stock moved further from the line this week, up from 1.9% last week. The 14-week RSI sits at 67, indicating neutral momentum.
Trading volume is running at 0.9x of its 14-week average, which is in the normal range. The balance between buying and selling volume (1.07 ratio) is neutral — neither side is clearly dominating.
Over the past 1085 weeks of data, WLK has crossed below its 200-week moving average 17 times. On average, these episodes lasted 21 weeks. Historically, investors who bought WLK at the start of these episodes saw an average one-year return of +6.4%.
With a market cap of $14.7 billion, WLK is a large-cap stock. The company generates a free cash flow yield of 0.4%. Return on equity stands at -14.5%. The stock trades at 1.7x book value.
Over the past 20.8 years, a hypothetical investment of $100 in WLK would have grown to $977, compared to $852 for the S&P 500. That represents an annualized return of 11.6% vs 10.8% for the index — confirming WLK as a market-beating investment and the kind of quality company where buying during 200-week moving average touches has historically been rewarded.
Free cash flow has been declining at a -100% compound annual rate. A deteriorating cash flow trend warrants extra scrutiny — the stock may be cheap for a reason.
Business Health
Annual financials — how the underlying business has performed over the past several years.
Cash Flow Free cash flow & net income ($M)
Revenue Annual revenue ($M) — business growth proxy
Total Debt Balance sheet debt ($M)
ROIC Return on invested capital (%)
FCF Yield Free cash flow / market cap (%) — Yartseva signal
Gross Margin Pricing power & competitive moat (%)
Shares Outstanding Buybacks vs dilution (millions)
Growth of $100: WLK vs S&P 500
Monthly data normalized to $100 at start. Vertical dashed lines mark 200-week MA touches.
What Happens After WLK Crosses Below the Line?
Across 17 historical episodes, buying WLK when it crossed below its 200-week moving average produced an average return of +7.1% after 12 months (median -5.0%), compared to +12.3% for the S&P 500 over the same periods. 41% of those episodes were profitable after one year. After 24 months, the average return was +28.9% vs +18.4% for the index.
Each line shows $100 invested at the moment WLK crossed below its 200-week MA. Bold blue = stock average. Gray dashed = S&P 500 average over same periods.
Historical Touches
WLK has crossed below its 200-week MA 17 times with an average 1-year return of +6.4% after recovery.
| Crossed Below | Recovered | Weeks | Max Depth | 1-Year Return | Return Since Touch |
|---|---|---|---|---|---|
| Aug 2005 | Aug 2005 | 1 | 2.4% | +6.7% | +1046.7% |
| Sep 2005 | Oct 2005 | 5 | 2.6% | +18.6% | +1034.1% |
| Jun 2006 | Jun 2006 | 3 | 6.4% | +5.8% | +1032.7% |
| Jul 2006 | Jul 2006 | 3 | 6.3% | +0.5% | +1015.1% |
| Aug 2006 | Aug 2006 | 1 | 0.5% | -2.5% | +974.6% |
| Feb 2007 | Apr 2007 | 8 | 7.5% | -43.7% | +963.2% |
| May 2007 | Jul 2009 | 115 | 56.4% | -43.1% | +953.1% |
| Jan 2010 | Mar 2010 | 6 | 13.5% | +89.2% | +1274.5% |
| May 2010 | Jul 2010 | 9 | 18.2% | +169.8% | +1231.6% |
| Aug 2015 | Sep 2015 | 3 | 2.9% | +5.4% | +166.9% |
| Dec 2015 | Jan 2017 | 56 | 24.9% | +7.5% | +148.5% |
| Nov 2018 | Jan 2019 | 7 | 12.0% | +2.1% | +90.0% |
| Feb 2019 | Apr 2019 | 5 | 5.3% | -18.5% | +85.9% |
| Apr 2019 | Nov 2019 | 27 | 18.9% | -35.3% | +103.2% |
| Nov 2019 | Nov 2020 | 51 | 52.9% | +9.0% | +86.0% |
| Dec 2024 | Jan 2025 | 4 | 3.8% | -34.3% | +4.8% |
| Jan 2025 | Mar 2026 | 60 | 47.3% | -28.7% | +3.9% |
| Average | 21 | — | +6.4% | — |
Frequently Asked Questions
Is WLK below its 200-week moving average?
No. Westlake Corporation (WLK) is currently 5.8% above its 200-week moving average of $108.71. It would need to fall to $108.71 to cross below the line.
What is WLK's 200-week moving average price?
Westlake Corporation's 200-week moving average is $108.71 as of 2026-05-01. This is the average weekly closing price over roughly the last 4 years, and it acts as a long-term trend line. When a stock drops below this level, it can signal that the price has fallen far enough from the long-term trend to attract value-oriented investors.
What happens when WLK drops below its 200-week moving average?
WLK has crossed below its 200-week moving average 17 times in our data. On average, buying at that moment produced a one-year return of +6.4%. These dips have historically been decent entry points. These episodes lasted 21 weeks on average.
Is WLK a good value right now?
Here's what our data says about WLK as of 2026-05-01: The stock is above its 200-week moving average, so it doesn't currently meet our primary signal. The 14-week RSI is 67. Free cash flow yield is 0.4%. Return on equity is -14.5%. Price-to-book is 1.7x. This is not a buy or sell recommendation — always do your own research.
How does WLK compare to the S&P 500?
Over the past 20.8 years, $100 invested in WLK would have grown to $977, compared to $852 for the S&P 500. That's 11.6% annualized vs 10.8% for the index. WLK has outperformed the broader market over this period.
Does WLK pay a dividend?
Yes. Westlake Corporation currently pays a dividend yield of 184.00%.
Not financial advice. This is an educational tool. Past performance does not guarantee future results. Do your own research before making investment decisions.
Data as of week of 2026-05-01