No.2
Disclosure
2026/10/30 15:30
2027年３月期 第２四半期（中間期）決算短信〔日本基準〕（連結）
4228 Sekisui Kasei Co.,Ltd.積水化成品工業TSE Prime / Chemicals
2 posts
Sekisui Kasei Co.,Ltd. stock hit limit-up on Oct 29: what happened
It closed at ¥688 on Oct 29 (+¥100, +17.01%), limit-up, ranking #4 among the top gainers of all stocks on the Tokyo Stock Exchange.
Disclosures around that day
- 10/30 15:302027年３月期 第２四半期（中間期）決算短信〔日本基準〕（連結）
Changes are calculated from the closing prices this site collects daily; limit-up/down is an estimate based on the daily price limit. Please make your own investment decisions.
Sekisui Kasei Co.,Ltd. (4228) at a glance
Prices are from Yahoo! Finance and may be delayed. Always check the latest price before trading.
Sekisui Kasei Co.,Ltd. (4228) Stock Price HistoryNew 52-week high
Sekisui Kasei Co.,Ltd. closed at ¥725 on Oct 30, 2026, +17.3% over 1 month, +103.7% over 1 year.
Price5-day MA25-day MANikkei 225Disclosures
1-Month High¥725Oct 30
1-Month Low¥563Oct 26
1-Week Change+27.4%vs Oct 23
1-Month Change+17.3%vs Sep 30
If you had invested ¥100,000 1 month ago, it would be worth ¥117,314 today (+17.3%).Price change only; dividends and fees are not included.
Over the same period the Nikkei 225 moved −5.2%, while this stock moved +17.3%.
Last 10 Trading Days
| Date | Close | Change | % Change |
|---|---|---|---|
| Oct 30 (Fri) | ¥725 | +37 | +5.38% |
| Oct 29 (Thu) | ¥688 | +100 | +17.01% |
| Oct 28 (Wed) | ¥588 | +11 | +1.91% |
| Oct 27 (Tue) | ¥577 | +14 | +2.49% |
| Oct 26 (Mon) | ¥563 | −6 | −1.05% |
| Oct 23 (Fri) | ¥569 | −14 | −2.40% |
| Oct 22 (Thu) | ¥583 | −8 | −1.35% |
| Oct 21 (Wed) | ¥591 | +2 | +0.34% |
| Oct 20 (Tue) | ¥589 | −24 | −3.92% |
| Oct 19 (Mon) | ¥613 | +9 | +1.49% |
Price5-day MA25-day MANikkei 225Disclosures
3-Month High¥725Oct 30
3-Month Low¥515Jul 30
1-Month Change+17.3%vs Sep 30
3-Month Change+40.8%vs Jul 30
If you had invested ¥100,000 3 months ago, it would be worth ¥140,777 today (+40.8%).Price change only; dividends and fees are not included.
Over the same period the Nikkei 225 moved +2.3%, while this stock moved +40.8%.
Last 10 Trading Days
| Date | Close | Change | % Change |
|---|---|---|---|
| Oct 30 (Fri) | ¥725 | +37 | +5.38% |
| Oct 29 (Thu) | ¥688 | +100 | +17.01% |
| Oct 28 (Wed) | ¥588 | +11 | +1.91% |
| Oct 27 (Tue) | ¥577 | +14 | +2.49% |
| Oct 26 (Mon) | ¥563 | −6 | −1.05% |
| Oct 23 (Fri) | ¥569 | −14 | −2.40% |
| Oct 22 (Thu) | ¥583 | −8 | −1.35% |
| Oct 21 (Wed) | ¥591 | +2 | +0.34% |
| Oct 20 (Tue) | ¥589 | −24 | −3.92% |
| Oct 19 (Mon) | ¥613 | +9 | +1.49% |
Price25-day MA75-day MANikkei 225Disclosures
6-Month High¥725Oct 30
6-Month Low¥449May 1
3-Month Change+40.8%vs Jul 30
6-Month Change+60.4%vs Apr 30
If you had invested ¥100,000 6 months ago, it would be worth ¥160,398 today (+60.4%).Price change only; dividends and fees are not included.
Over the same period the Nikkei 225 moved +6.8%, while this stock moved +60.4%.
Monthly Closes
| Month | Month-End Close | Monthly % |
|---|---|---|
| Oct 2026 | ¥725 | +17.3% |
| Sep 2026 | ¥618 | +0.0% |
| Aug 2026 | ¥618 | +16.6% |
| Jul 2026 | ¥530 | +0.4% |
| Jun 2026 | ¥528 | −8.0% |
| May 2026 | ¥574 | +27.0% |
| Apr 2026 | ¥452 | +4.6% |
Price25-day MA75-day MANikkei 225Disclosures
52-Week High¥725Oct 30
52-Week Low¥340Nov 5
Year to Date+81.3%vs Dec 30
From 52-Week High+0.0%Oct 30
If you had invested ¥100,000 1 year ago, it would be worth ¥207,143 today (+107.1%).Price change only; dividends and fees are not included.
Over the same period the Nikkei 225 moved +22.9%, while this stock moved +107.1%.
Monthly Closes
| Month | Month-End Close | Monthly % |
|---|---|---|
| Oct 2026 | ¥725 | +17.3% |
| Sep 2026 | ¥618 | +0.0% |
| Aug 2026 | ¥618 | +16.6% |
| Jul 2026 | ¥530 | +0.4% |
| Jun 2026 | ¥528 | −8.0% |
| May 2026 | ¥574 | +27.0% |
| Apr 2026 | ¥452 | +4.6% |
| Mar 2026 | ¥432 | −20.7% |
| Feb 2026 | ¥545 | +29.1% |
| Jan 2026 | ¥422 | +5.5% |
| Dec 2025 | ¥400 | +5.5% |
| Nov 2025 | ¥379 | +6.5% |
Price13-week MA26-week MANikkei 225
3-Year High¥725Oct 30, 2026
3-Year Low¥313Apr 7, 2025
Annualized Return+15.9%
Max Drawdown−38.3%
If you had invested ¥100,000 3 years ago, it would be worth ¥155,579 today (+55.6%).Price change only; dividends and fees are not included.
Over the same period the Nikkei 225 moved +98.1%, while this stock moved +55.6%.
Yearly Closes
| Year | Year-End Close | Yearly % |
|---|---|---|
| 2026 (YTD) | ¥725 | +81.3% |
| 2025 | ¥400 | ― |
Price13-week MA26-week MANikkei 225
5-Year High¥725Oct 30, 2026
5-Year Low¥313Apr 7, 2025
Annualized Return+6.7%
Max Drawdown−40.5%
If you had invested ¥100,000 5 years ago, it would be worth ¥138,095 today (+38.1%).Price change only; dividends and fees are not included.
Over the same period the Nikkei 225 moved +113.7%, while this stock moved +38.1%.
Yearly Closes
| Year | Year-End Close | Yearly % |
|---|---|---|
| 2026 (YTD) | ¥725 | +81.3% |
| 2025 | ¥400 | ― |
Price1-year MA2-year MANikkei 225
All-Time High¥1,486Oct 2017
All-Time Low¥319May 2025
Total Change+97.0%vs Jan 2001
Annualized Return+2.7%
If you had invested ¥100,000 in Jan 2001, it would be worth ¥197,011 today (+97.0%).Price change only; dividends and fees are not included.
Over the same period the Nikkei 225 moved +386.9%, while this stock moved +97.0%.
Yearly Closes
| Year | Year-End Close | Yearly % |
|---|---|---|
| 2026 (YTD) | ¥725 | +81.3% |
| 2025 | ¥400 | +12.4% |
| 2024 | ¥356 | −26.7% |
| 2023 | ¥486 | +25.3% |
| 2022 | ¥388 | −19.2% |
| 2021 | ¥480 | −9.4% |
| 2020 | ¥530 | −36.1% |
| 2019 | ¥830 | −10.5% |
| 2018 | ¥927 | −37.6% |
| 2017 | ¥1,485 | +82.0% |
| 2016 | ¥816 | −3.3% |
| 2015 | ¥844 | −8.5% |
| 2014 | ¥922 | +63.5% |
| 2013 | ¥564 | +30.0% |
| 2012 | ¥434 | −26.4% |
| 2011 | ¥590 | −19.4% |
| 2010 | ¥732 | −16.8% |
| 2009 | ¥880 | +44.7% |
| 2008 | ¥608 | −12.4% |
| 2007 | ¥694 | −10.1% |
| 2006 | ¥772 | −14.0% |
| 2005 | ¥898 | +25.1% |
| 2004 | ¥718 | +40.8% |
| 2003 | ¥510 | +40.9% |
| 2002 | ¥362 | −7.2% |
| 2001 | ¥390 | ― |
Daily, weekly and monthly closes (Yahoo! Finance, split-adjusted, dividends excluded). "All" covers the range Yahoo provides (from Jan 2001). Please check the latest prices before trading.
Sekisui Kasei Co.,Ltd. (4228) financial indicators
PER, ROE and dividend yield are based on company forecasts, calculated from earnings reports and the closing price after each trading day.
Recent disclosures (TDnet, in Japanese)
- 10/30 15:30 2027年３月期 第２四半期（中間期）決算短信〔日本基準〕（連結）
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No.1
Disclosure
2026/10/28 16:00
連結業績予想および配当予想の修正に関するお知らせ
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