No.1
Disclosure
2026/10/09 15:30
2026年8月期決算短信〔日本基準〕（連結）
6668 ADTEC PLASMA TECHNOLOGY CO.,LTD.アドテック プラズマ テクノロジーTSE Standard / Electric Appliances
1 post
ADTEC PLASMA TECHNOLOGY CO.,LTD. stock fell on Oct 29: what happened
It closed at ¥4,875 on Oct 29 (−¥405, −7.67%), ranking #43 among the top losers of all stocks on the Tokyo Stock Exchange.
No disclosures were found for this stock around that day. Share what you know in the posts below.
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.
ADTEC PLASMA TECHNOLOGY CO.,LTD. (6668) at a glance
Prices are from Yahoo! Finance and may be delayed. Always check the latest price before trading.
ADTEC PLASMA TECHNOLOGY CO.,LTD. (6668) Stock Price History
ADTEC PLASMA TECHNOLOGY CO.,LTD. closed at ¥4,515 on Oct 30, 2026, +2.5% over 1 month, +268.6% over 1 year.
Price5-day MA25-day MANikkei 225Disclosures
1-Month High¥5,630Oct 13
1-Month Low¥4,405Sep 30
1-Week Change−4.4%vs Oct 23
1-Month Change+2.5%vs Sep 30
If you had invested ¥100,000 1 month ago, it would be worth ¥102,497 today (+2.5%).Price change only; dividends and fees are not included.
Over the same period the Nikkei 225 moved −5.2%, while this stock moved +2.5%.
Last 10 Trading Days
| Date | Close | Change | % Change |
|---|---|---|---|
| Oct 30 (Fri) | ¥4,515 | −360 | −7.38% |
| Oct 29 (Thu) | ¥4,875 | −405 | −7.67% |
| Oct 28 (Wed) | ¥5,280 | +480 | +10.00% |
| Oct 27 (Tue) | ¥4,800 | +155 | +3.34% |
| Oct 26 (Mon) | ¥4,645 | −80 | −1.69% |
| Oct 23 (Fri) | ¥4,725 | −50 | −1.05% |
| Oct 22 (Thu) | ¥4,775 | −305 | −6.00% |
| Oct 21 (Wed) | ¥5,080 | +340 | +7.17% |
| Oct 20 (Tue) | ¥4,740 | −440 | −8.49% |
| Oct 19 (Mon) | ¥5,180 | +240 | +4.86% |
Price5-day MA25-day MANikkei 225Disclosures
3-Month High¥5,630Oct 13
3-Month Low¥2,577Jul 30
1-Month Change+2.5%vs Sep 30
3-Month Change+75.2%vs Jul 30
If you had invested ¥100,000 3 months ago, it would be worth ¥175,204 today (+75.2%).Price change only; dividends and fees are not included.
Over the same period the Nikkei 225 moved +2.3%, while this stock moved +75.2%.
Last 10 Trading Days
| Date | Close | Change | % Change |
|---|---|---|---|
| Oct 30 (Fri) | ¥4,515 | −360 | −7.38% |
| Oct 29 (Thu) | ¥4,875 | −405 | −7.67% |
| Oct 28 (Wed) | ¥5,280 | +480 | +10.00% |
| Oct 27 (Tue) | ¥4,800 | +155 | +3.34% |
| Oct 26 (Mon) | ¥4,645 | −80 | −1.69% |
| Oct 23 (Fri) | ¥4,725 | −50 | −1.05% |
| Oct 22 (Thu) | ¥4,775 | −305 | −6.00% |
| Oct 21 (Wed) | ¥5,080 | +340 | +7.17% |
| Oct 20 (Tue) | ¥4,740 | −440 | −8.49% |
| Oct 19 (Mon) | ¥5,180 | +240 | +4.86% |
Price25-day MA75-day MANikkei 225Disclosures
6-Month High¥5,630Oct 13
6-Month Low¥2,525Jul 29
3-Month Change+75.2%vs Jul 30
6-Month Change+69.0%vs Apr 30
If you had invested ¥100,000 6 months ago, it would be worth ¥168,975 today (+69.0%).Price change only; dividends and fees are not included.
Over the same period the Nikkei 225 moved +6.8%, while this stock moved +69.0%.
Monthly Closes
| Month | Month-End Close | Monthly % |
|---|---|---|
| Oct 2026 | ¥4,515 | +2.5% |
| Sep 2026 | ¥4,405 | +3.9% |
| Aug 2026 | ¥4,240 | +47.7% |
| Jul 2026 | ¥2,871 | −28.2% |
| Jun 2026 | ¥4,000 | +28.4% |
| May 2026 | ¥3,115 | +16.6% |
| Apr 2026 | ¥2,672 | +54.2% |
Price25-day MA75-day MANikkei 225Disclosures
52-Week High¥5,630Oct 13
52-Week Low¥1,185Nov 5
Year to Date+259.2%vs Dec 30
From 52-Week High−19.8%Oct 13
If you had invested ¥100,000 1 year ago, it would be worth ¥368,571 today (+268.6%).Price change only; dividends and fees are not included.
Over the same period the Nikkei 225 moved +23.3%, while this stock moved +268.6%.
Monthly Closes
| Month | Month-End Close | Monthly % |
|---|---|---|
| Oct 2026 | ¥4,515 | +2.5% |
| Sep 2026 | ¥4,405 | +3.9% |
| Aug 2026 | ¥4,240 | +47.7% |
| Jul 2026 | ¥2,871 | −28.2% |
| Jun 2026 | ¥4,000 | +28.4% |
| May 2026 | ¥3,115 | +16.6% |
| Apr 2026 | ¥2,672 | +54.2% |
| Mar 2026 | ¥1,733 | −13.1% |
| Feb 2026 | ¥1,994 | +24.1% |
| Jan 2026 | ¥1,607 | +27.8% |
| Dec 2025 | ¥1,257 | −1.4% |
| Nov 2025 | ¥1,275 | +5.2% |
| Oct 2025 | ¥1,212 | ― |
Price13-week MA26-week MANikkei 225
3-Year High¥4,940Oct 16, 2026
3-Year Low¥1,094Apr 14, 2025
Annualized Return+46.9%
Max Drawdown−48.5%
If you had invested ¥100,000 3 years ago, it would be worth ¥317,065 today (+217.1%).Price change only; dividends and fees are not included.
Over the same period the Nikkei 225 moved +98.1%, while this stock moved +217.1%.
Yearly Closes
| Year | Year-End Close | Yearly % |
|---|---|---|
| 2026 (YTD) | ¥4,515 | +259.2% |
| 2025 | ¥1,257 | ― |
Price13-week MA26-week MANikkei 225
5-Year High¥4,940Oct 16, 2026
5-Year Low¥1,094Apr 14, 2025
Annualized Return+12.0%
Max Drawdown−66.6%
If you had invested ¥100,000 5 years ago, it would be worth ¥176,436 today (+76.4%).Price change only; dividends and fees are not included.
Over the same period the Nikkei 225 moved +113.7%, while this stock moved +76.4%.
Yearly Closes
| Year | Year-End Close | Yearly % |
|---|---|---|
| 2026 (YTD) | ¥4,515 | +259.2% |
| 2025 | ¥1,257 | ― |
Price1-year MA2-year MANikkei 225
All-Time High¥4,725Oct 2026
All-Time Low¥80.0Apr 2009
Total Change+258.3%vs Aug 2004
Annualized Return+5.9%
If you had invested ¥100,000 in Aug 2004, it would be worth ¥358,333 today (+258.3%).Price change only; dividends and fees are not included.
Over the same period the Nikkei 225 moved +484.7%, while this stock moved +258.3%.
Yearly Closes
| Year | Year-End Close | Yearly % |
|---|---|---|
| 2026 (YTD) | ¥4,515 | +259.2% |
| 2025 | ¥1,257 | +1.0% |
| 2024 | ¥1,245 | −32.0% |
| 2023 | ¥1,831 | +15.6% |
| 2022 | ¥1,584 | −44.7% |
| 2021 | ¥2,866 | +128.4% |
| 2020 | ¥1,255 | −23.1% |
| 2019 | ¥1,632 | +109.0% |
| 2018 | ¥781 | −59.2% |
| 2017 | ¥1,915 | +112.8% |
| 2016 | ¥900 | +50.8% |
| 2015 | ¥597 | −53.9% |
| 2014 | ¥1,295 | +661.8% |
| 2013 | ¥170 | +74.5% |
| 2012 | ¥97.4 | −2.6% |
| 2011 | ¥100 | −28.6% |
| 2010 | ¥140 | +53.0% |
| 2009 | ¥91.5 | −4.7% |
| 2008 | ¥96.0 | −71.5% |
| 2007 | ¥337 | −33.9% |
| 2006 | ¥510 | −6.9% |
| 2005 | ¥548 | −44.9% |
| 2004 | ¥995 | ― |
Daily, weekly and monthly closes (Yahoo! Finance, split-adjusted, dividends excluded). "All" covers the range Yahoo provides (from Aug 2004). Please check the latest prices before trading.
ADTEC PLASMA TECHNOLOGY CO.,LTD. (6668) 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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