No.3
Disclosure
2026/11/04 23:26
四半期報告書（10-Q）
WLK WESTLAKE CORPUS-listed
3 posts
WESTLAKE CORP (WLK) at a glance
Prices are from Yahoo! Finance and may be delayed. Always check the latest price before trading.
WESTLAKE CORP (WLK) Stock Price History
WESTLAKE CORP closed at $63.49 on Nov 6, 2026, +0.2% over 1 month, −2.2% over 1 year.
Price5-day MA25-day MAS&P 500Disclosures
1-Month High$71.17Nov 2
1-Month Low$60.84Oct 21
1-Week Change−7.0%vs Oct 30
1-Month Change+0.2%vs Oct 6
If you had invested $1,000 1 month ago, it would be worth $1,002 today (+0.2%).Price change only; dividends and fees are not included.
Over the same period the S&P 500 moved −5.7%, while this stock moved +0.2%.
Last 10 Trading Days
| Date | Close | Change | % Change |
|---|---|---|---|
| Nov 6 (Fri) | $63.49 | −2.79 | −4.21% |
| Nov 5 (Thu) | $66.28 | −1.62 | −2.39% |
| Nov 4 (Wed) | $67.90 | −0.57 | −0.83% |
| Nov 3 (Tue) | $68.47 | −2.70 | −3.79% |
| Nov 2 (Mon) | $71.17 | +2.89 | +4.23% |
| Oct 30 (Fri) | $68.28 | +2.27 | +3.44% |
| Oct 29 (Thu) | $66.01 | +0.18 | +0.27% |
| Oct 28 (Wed) | $65.83 | −0.34 | −0.51% |
| Oct 27 (Tue) | $66.17 | +0.86 | +1.32% |
| Oct 26 (Mon) | $65.31 | +0.75 | +1.16% |
Price5-day MA25-day MAS&P 500Disclosures
3-Month High$80.84Aug 11
3-Month Low$60.84Oct 21
1-Month Change+0.2%vs Oct 6
3-Month Change−18.0%vs Aug 6
If you had invested $1,000 3 months ago, it would be worth $820 today (−18.0%).Price change only; dividends and fees are not included.
Over the same period the S&P 500 moved −4.3%, while this stock moved −18.0%.
Last 10 Trading Days
| Date | Close | Change | % Change |
|---|---|---|---|
| Nov 6 (Fri) | $63.49 | −2.79 | −4.21% |
| Nov 5 (Thu) | $66.28 | −1.62 | −2.39% |
| Nov 4 (Wed) | $67.90 | −0.57 | −0.83% |
| Nov 3 (Tue) | $68.47 | −2.70 | −3.79% |
| Nov 2 (Mon) | $71.17 | +2.89 | +4.23% |
| Oct 30 (Fri) | $68.28 | +2.27 | +3.44% |
| Oct 29 (Thu) | $66.01 | +0.18 | +0.27% |
| Oct 28 (Wed) | $65.83 | −0.34 | −0.51% |
| Oct 27 (Tue) | $66.17 | +0.86 | +1.32% |
| Oct 26 (Mon) | $65.31 | +0.75 | +1.16% |
Price25-day MA75-day MAS&P 500Disclosures
6-Month High$99.92May 6
6-Month Low$60.84Oct 21
3-Month Change−18.0%vs Aug 6
6-Month Change−36.5%vs May 6
If you had invested $1,000 6 months ago, it would be worth $635 today (−36.5%).Price change only; dividends and fees are not included.
Over the same period the S&P 500 moved +0.2%, while this stock moved −36.5%.
Monthly Closes
| Month | Month-End Close | Monthly % |
|---|---|---|
| Nov 2026 | $63.49 | −7.0% |
| Oct 2026 | $68.28 | +9.6% |
| Sep 2026 | $62.31 | −17.0% |
| Aug 2026 | $75.07 | +6.5% |
| Jul 2026 | $70.50 | −3.4% |
| Jun 2026 | $73.00 | −15.9% |
| May 2026 | $86.83 | −24.7% |
Price25-day MA75-day MAS&P 500Disclosures
52-Week High$123.39Apr 7
52-Week Low$56.38Nov 20
Year to Date−14.1%vs Dec 31
From 52-Week High−48.5%Apr 7
If you had invested $1,000 1 year ago, it would be worth $978 today (−2.2%).Price change only; dividends and fees are not included.
Over the same period the S&P 500 moved +9.6%, while this stock moved −2.2%.
Monthly Closes
| Month | Month-End Close | Monthly % |
|---|---|---|
| Nov 2026 | $63.49 | −7.0% |
| Oct 2026 | $68.28 | +9.6% |
| Sep 2026 | $62.31 | −17.0% |
| Aug 2026 | $75.07 | +6.5% |
| Jul 2026 | $70.50 | −3.4% |
| Jun 2026 | $73.00 | −15.9% |
| May 2026 | $86.83 | −24.7% |
| Apr 2026 | $115.28 | −1.3% |
| Mar 2026 | $116.82 | +10.9% |
| Feb 2026 | $105.38 | +32.9% |
| Jan 2026 | $79.32 | +7.3% |
| Dec 2025 | $73.94 | +10.7% |
| Nov 2025 | $66.81 | ― |
Price13-week MA26-week MAS&P 500
3-Year High$160.56May 27, 2024
3-Year Low$59.03Nov 21, 2025
Annualized Return−19.6%
Max Drawdown−63.2%
If you had invested $1,000 3 years ago, it would be worth $520 today (−48.0%).Price change only; dividends and fees are not included.
Over the same period the S&P 500 moved +67.1%, while this stock moved −48.0%.
Yearly Closes
| Year | Year-End Close | Yearly % |
|---|---|---|
| 2026 (YTD) | $63.49 | −14.1% |
| 2025 | $73.94 | ― |
Price13-week MA26-week MAS&P 500
5-Year High$160.56May 27, 2024
5-Year Low$59.03Nov 21, 2025
Annualized Return−9.5%
Max Drawdown−63.2%
If you had invested $1,000 5 years ago, it would be worth $608 today (−39.2%).Price change only; dividends and fees are not included.
Over the same period the S&P 500 moved +57.5%, while this stock moved −39.2%.
Yearly Closes
| Year | Year-End Close | Yearly % |
|---|---|---|
| 2026 (YTD) | $63.49 | −14.1% |
| 2025 | $73.94 | ― |
Price1-year MA2-year MAS&P 500
All-Time High$160.56May 2024
All-Time Low$6.25Feb 2009
Total Change+469.4%vs Sep 2004
Annualized Return+8.2%
If you had invested $1,000 in Sep 2004, it would be worth $5,694 today (+469.4%).Price change only; dividends and fees are not included.
Over the same period the S&P 500 moved +528.4%, while this stock moved +469.4%.
Yearly Closes
| Year | Year-End Close | Yearly % |
|---|---|---|
| 2026 (YTD) | $63.49 | −14.1% |
| 2025 | $73.94 | −35.5% |
| 2024 | $114.65 | −18.1% |
| 2023 | $139.96 | +36.5% |
| 2022 | $102.54 | +5.6% |
| 2021 | $97.13 | +19.0% |
| 2020 | $81.60 | +16.3% |
| 2019 | $70.15 | +6.0% |
| 2018 | $66.17 | −37.9% |
| 2017 | $106.53 | +90.3% |
| 2016 | $55.99 | +3.1% |
| 2015 | $54.32 | −11.1% |
| 2014 | $61.09 | +0.1% |
| 2013 | $61.04 | +53.9% |
| 2012 | $39.65 | +97.1% |
| 2011 | $20.12 | −7.4% |
| 2010 | $21.74 | +74.4% |
| 2009 | $12.47 | +53.0% |
| 2008 | $8.15 | −14.2% |
| 2007 | $9.50 | −39.5% |
| 2006 | $15.69 | +8.9% |
| 2005 | $14.41 | −13.7% |
| 2004 | $16.70 | ― |
Daily, weekly and monthly closes (Yahoo! Finance, split-adjusted, dividends excluded). "All" covers the range Yahoo provides (from Sep 2004). Please check the latest prices before trading.
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No.2
Disclosure
2026/11/04 21:30
臨時報告（重要事象）（8-K）
決算発表（経営成績・財政状態）（Item 2.02）／レギュレーションFD開示（Item 7.01）／財務諸表および添付資料（Item 9.01）
決算発表（経営成績・財政状態）（Item 2.02）／レギュレーションFD開示（Item 7.01）／財務諸表および添付資料（Item 9.01）
Delete
No.1
Disclosure
2026/09/29 19:06
臨時報告（重要事象）（8-K）
事業再編に伴う費用の計上（Item 2.05）／レギュレーションFD開示（Item 7.01）
事業再編に伴う費用の計上（Item 2.05）／レギュレーションFD開示（Item 7.01）
Delete
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