No.1
Disclosure
2026/09/14 15:30
2026年10月期 第３四半期決算短信〔日本基準〕（連結）
3804 System D Inc.システム ディTSE Standard / Information & Communication
1 post
System D Inc. (3804) at a glance
Prices are from Yahoo! Finance and may be delayed. Always check the latest price before trading.
System D Inc. (3804) Stock Price History
System D Inc. closed at ¥448 on Oct 30, 2026, −1.1% over 1 month, −32.8% over 1 year.
Price5-day MA25-day MANikkei 225
1-Month High¥462Oct 28
1-Month Low¥443Oct 29
1-Week Change−0.4%vs Oct 23
1-Month Change−1.1%vs Sep 30
If you had invested ¥100,000 1 month ago, it would be worth ¥98,896 today (−1.1%).Price change only; dividends and fees are not included.
Over the same period the Nikkei 225 moved −5.2%, while this stock moved −1.1%.
Last 10 Trading Days
| Date | Close | Change | % Change |
|---|---|---|---|
| Oct 30 (Fri) | ¥448 | +5 | +1.13% |
| Oct 29 (Thu) | ¥443 | −19 | −4.11% |
| Oct 28 (Wed) | ¥462 | +5 | +1.09% |
| Oct 27 (Tue) | ¥457 | +4 | +0.88% |
| Oct 26 (Mon) | ¥453 | +3 | +0.67% |
| Oct 23 (Fri) | ¥450 | +2 | +0.45% |
| Oct 22 (Thu) | ¥448 | −6 | −1.32% |
| Oct 21 (Wed) | ¥454 | +4 | +0.89% |
| Oct 20 (Tue) | ¥450 | +5 | +1.12% |
| Oct 19 (Mon) | ¥445 | −2 | −0.45% |
Price5-day MA25-day MANikkei 225Disclosures
3-Month High¥475Sep 3
3-Month Low¥431Sep 16
1-Month Change−1.1%vs Sep 30
3-Month Change−0.2%vs Jul 30
If you had invested ¥100,000 3 months ago, it would be worth ¥99,777 today (−0.2%).Price change only; dividends and fees are not included.
Over the same period the Nikkei 225 moved +2.3%, while this stock moved −0.2%.
Last 10 Trading Days
| Date | Close | Change | % Change |
|---|---|---|---|
| Oct 30 (Fri) | ¥448 | +5 | +1.13% |
| Oct 29 (Thu) | ¥443 | −19 | −4.11% |
| Oct 28 (Wed) | ¥462 | +5 | +1.09% |
| Oct 27 (Tue) | ¥457 | +4 | +0.88% |
| Oct 26 (Mon) | ¥453 | +3 | +0.67% |
| Oct 23 (Fri) | ¥450 | +2 | +0.45% |
| Oct 22 (Thu) | ¥448 | −6 | −1.32% |
| Oct 21 (Wed) | ¥454 | +4 | +0.89% |
| Oct 20 (Tue) | ¥450 | +5 | +1.12% |
| Oct 19 (Mon) | ¥445 | −2 | −0.45% |
Price25-day MA75-day MANikkei 225Disclosures
6-Month High¥561Apr 30
6-Month Low¥409Jun 24
3-Month Change−0.2%vs Jul 30
6-Month Change−20.1%vs Apr 30
If you had invested ¥100,000 6 months ago, it would be worth ¥79,857 today (−20.1%).Price change only; dividends and fees are not included.
Over the same period the Nikkei 225 moved +6.8%, while this stock moved −20.1%.
Monthly Closes
| Month | Month-End Close | Monthly % |
|---|---|---|
| Oct 2026 | ¥448 | −1.1% |
| Sep 2026 | ¥453 | −1.3% |
| Aug 2026 | ¥459 | +1.5% |
| Jul 2026 | ¥452 | +6.1% |
| Jun 2026 | ¥426 | −8.6% |
| May 2026 | ¥466 | −16.9% |
| Apr 2026 | ¥561 | +2.6% |
Price25-day MA75-day MANikkei 225Disclosures
52-Week High¥684Dec 1
52-Week Low¥409Jun 24
Year to Date−22.8%vs Dec 30
From 52-Week High−34.5%Dec 1
If you had invested ¥100,000 1 year ago, it would be worth ¥67,200 today (−32.8%).Price change only; dividends and fees are not included.
Over the same period the Nikkei 225 moved +23.3%, while this stock moved −32.8%.
Monthly Closes
| Month | Month-End Close | Monthly % |
|---|---|---|
| Oct 2026 | ¥448 | −1.1% |
| Sep 2026 | ¥453 | −1.3% |
| Aug 2026 | ¥459 | +1.5% |
| Jul 2026 | ¥452 | +6.1% |
| Jun 2026 | ¥426 | −8.6% |
| May 2026 | ¥466 | −16.9% |
| Apr 2026 | ¥561 | +2.6% |
| Mar 2026 | ¥547 | +2.2% |
| Feb 2026 | ¥535 | −5.7% |
| Jan 2026 | ¥567 | −2.3% |
| Dec 2025 | ¥580 | −13.0% |
| Nov 2025 | ¥667 | +2.5% |
| Oct 2025 | ¥650 | ― |
Price13-week MA26-week MANikkei 225
3-Year High¥800Jul 21, 2025
3-Year Low¥375May 13, 2024
Annualized Return+1.0%
Max Drawdown−47.6%
If you had invested ¥100,000 3 years ago, it would be worth ¥102,910 today (+2.9%).Price change only; dividends and fees are not included.
Over the same period the Nikkei 225 moved +98.1%, while this stock moved +2.9%.
Yearly Closes
| Year | Year-End Close | Yearly % |
|---|---|---|
| 2026 (YTD) | ¥448 | −22.8% |
| 2025 | ¥580 | ― |
Price13-week MA26-week MANikkei 225
5-Year High¥800Jul 21, 2025
5-Year Low¥369Feb 21, 2022
Annualized Return−0.1%
Max Drawdown−47.6%
If you had invested ¥100,000 5 years ago, it would be worth ¥99,556 today (−0.4%).Price change only; dividends and fees are not included.
Over the same period the Nikkei 225 moved +113.7%, while this stock moved −0.4%.
Yearly Closes
| Year | Year-End Close | Yearly % |
|---|---|---|
| 2026 (YTD) | ¥448 | −22.8% |
| 2025 | ¥580 | ― |
Price1-year MA2-year MANikkei 225
All-Time High¥765Jun 2025
All-Time Low¥24.7Nov 2008
Total Change+153.3%vs May 2006
Annualized Return+4.6%
If you had invested ¥100,000 in May 2006, it would be worth ¥253,346 today (+153.3%).Price change only; dividends and fees are not included.
Over the same period the Nikkei 225 moved +308.2%, while this stock moved +153.3%.
Yearly Closes
| Year | Year-End Close | Yearly % |
|---|---|---|
| 2026 (YTD) | ¥448 | −22.8% |
| 2025 | ¥580 | +20.4% |
| 2024 | ¥482 | +8.3% |
| 2023 | ¥445 | −7.9% |
| 2022 | ¥483 | +9.4% |
| 2021 | ¥442 | −15.2% |
| 2020 | ¥521 | +33.4% |
| 2019 | ¥391 | +125.8% |
| 2018 | ¥173 | +6.0% |
| 2017 | ¥163 | +60.5% |
| 2016 | ¥102 | +5.4% |
| 2015 | ¥96.5 | +9.9% |
| 2014 | ¥87.8 | −46.2% |
| 2013 | ¥163 | +357.9% |
| 2012 | ¥35.7 | +23.0% |
| 2011 | ¥29.0 | −39.8% |
| 2010 | ¥48.2 | +70.0% |
| 2009 | ¥28.3 | +0.0% |
| 2008 | ¥28.3 | −56.7% |
| 2007 | ¥65.5 | −50.9% |
| 2006 | ¥133 | ― |
Daily, weekly and monthly closes (Yahoo! Finance, split-adjusted, dividends excluded). "All" covers the range Yahoo provides (from May 2006). Please check the latest prices before trading.
System D Inc. (3804) financial indicators
PER, ROE and dividend yield are based on company forecasts, calculated from earnings reports and the closing price after each trading day.
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