6834 SEIKOH GIKEN Co.,Ltd.精工技研TSE Standard / Electric Appliances
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SEIKOH GIKEN Co.,Ltd. stock surged on Oct 28: what happened
It closed at ¥6,150 on Oct 28 (+¥610, +11.01%), ranking #11 among the top gainers 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.
SEIKOH GIKEN Co.,Ltd. (6834) at a glance
Prices are from Yahoo! Finance and may be delayed. Always check the latest price before trading.
SEIKOH GIKEN Co.,Ltd. (6834) Stock Price History
SEIKOH GIKEN Co.,Ltd. closed at ¥6,130 on Oct 30, 2026, −0.3% over 1 month, +227.5% over 1 year.
If you had invested ¥100,000 1 month ago, it would be worth ¥99,675 today (−0.3%).Price change only; dividends and fees are not included.
Over the same period the Nikkei 225 moved −5.2%, while this stock moved −0.3%.
Last 10 Trading Days
| Date | Close | Change | % Change |
|---|---|---|---|
| Oct 30 (Fri) | ¥6,130 | −150 | −2.39% |
| Oct 29 (Thu) | ¥6,280 | +130 | +2.11% |
| Oct 28 (Wed) | ¥6,150 | +610 | +11.01% |
| Oct 27 (Tue) | ¥5,540 | +310 | +5.93% |
| Oct 26 (Mon) | ¥5,230 | −40 | −0.76% |
| Oct 23 (Fri) | ¥5,270 | −40 | −0.75% |
| Oct 22 (Thu) | ¥5,310 | −410 | −7.17% |
| Oct 21 (Wed) | ¥5,720 | +220 | +4.00% |
| Oct 20 (Tue) | ¥5,500 | −390 | −6.62% |
| Oct 19 (Mon) | ¥5,890 | +50 | +0.86% |
If you had invested ¥100,000 3 months ago, it would be worth ¥189,198 today (+89.2%).Price change only; dividends and fees are not included.
Over the same period the Nikkei 225 moved +2.3%, while this stock moved +89.2%.
Last 10 Trading Days
| Date | Close | Change | % Change |
|---|---|---|---|
| Oct 30 (Fri) | ¥6,130 | −150 | −2.39% |
| Oct 29 (Thu) | ¥6,280 | +130 | +2.11% |
| Oct 28 (Wed) | ¥6,150 | +610 | +11.01% |
| Oct 27 (Tue) | ¥5,540 | +310 | +5.93% |
| Oct 26 (Mon) | ¥5,230 | −40 | −0.76% |
| Oct 23 (Fri) | ¥5,270 | −40 | −0.75% |
| Oct 22 (Thu) | ¥5,310 | −410 | −7.17% |
| Oct 21 (Wed) | ¥5,720 | +220 | +4.00% |
| Oct 20 (Tue) | ¥5,500 | −390 | −6.62% |
| Oct 19 (Mon) | ¥5,890 | +50 | +0.86% |
If you had invested ¥100,000 6 months ago, it would be worth ¥105,872 today (+5.9%).Price change only; dividends and fees are not included.
Over the same period the Nikkei 225 moved +6.8%, while this stock moved +5.9%.
Monthly Closes
| Month | Month-End Close | Monthly % |
|---|---|---|
| Oct 2026 | ¥6,130 | −0.3% |
| Sep 2026 | ¥6,150 | +5.9% |
| Aug 2026 | ¥5,810 | +54.8% |
| Jul 2026 | ¥3,754 | −39.1% |
| Jun 2026 | ¥6,160 | +14.2% |
| May 2026 | ¥5,392 | −6.9% |
| Apr 2026 | ¥5,790 | +39.5% |
If you had invested ¥100,000 1 year ago, it would be worth ¥327,457 today (+227.5%).Price change only; dividends and fees are not included.
Over the same period the Nikkei 225 moved +23.3%, while this stock moved +227.5%.
Monthly Closes
| Month | Month-End Close | Monthly % |
|---|---|---|
| Oct 2026 | ¥6,130 | −0.3% |
| Sep 2026 | ¥6,150 | +5.9% |
| Aug 2026 | ¥5,810 | +54.8% |
| Jul 2026 | ¥3,754 | −39.1% |
| Jun 2026 | ¥6,160 | +14.2% |
| May 2026 | ¥5,392 | −6.9% |
| Apr 2026 | ¥5,790 | +39.5% |
| Mar 2026 | ¥4,152 | −4.1% |
| Feb 2026 | ¥4,328 | +64.4% |
| Jan 2026 | ¥2,632 | +13.7% |
| Dec 2025 | ¥2,314 | −18.6% |
| Nov 2025 | ¥2,844 | +48.1% |
| Oct 2025 | ¥1,920 | ― |
If you had invested ¥100,000 3 years ago, it would be worth ¥2,337,910 today (+2,237.9%).Price change only; dividends and fees are not included.
Over the same period the Nikkei 225 moved +98.1%, while this stock moved +2,237.9%.
Yearly Closes
| Year | Year-End Close | Yearly % |
|---|---|---|
| 2026 (YTD) | ¥6,130 | +164.9% |
| 2025 | ¥2,314 | ― |
If you had invested ¥100,000 5 years ago, it would be worth ¥1,717,087 today (+1,617.1%).Price change only; dividends and fees are not included.
Over the same period the Nikkei 225 moved +113.7%, while this stock moved +1,617.1%.
Yearly Closes
| Year | Year-End Close | Yearly % |
|---|---|---|
| 2026 (YTD) | ¥6,130 | +164.9% |
| 2025 | ¥2,314 | ― |
If you had invested ¥100,000 in Aug 2000, it would be worth ¥44,745 today (−55.3%).Price change only; dividends and fees are not included.
Over the same period the Nikkei 225 moved +301.9%, while this stock moved −55.3%.
Yearly Closes
| Year | Year-End Close | Yearly % |
|---|---|---|
| 2026 (YTD) | ¥6,130 | +164.9% |
| 2025 | ¥2,314 | +104.8% |
| 2024 | ¥1,130 | +309.4% |
| 2023 | ¥276 | −18.1% |
| 2022 | ¥337 | +1.7% |
| 2021 | ¥332 | −37.5% |
| 2020 | ¥531 | −21.7% |
| 2019 | ¥678 | +88.5% |
| 2018 | ¥360 | −5.1% |
| 2017 | ¥379 | +26.5% |
| 2016 | ¥300 | +46.0% |
| 2015 | ¥205 | −15.5% |
| 2014 | ¥243 | +45.0% |
| 2013 | ¥167 | +56.7% |
| 2012 | ¥107 | +7.4% |
| 2011 | ¥99.4 | −22.3% |
| 2010 | ¥128 | −7.0% |
| 2009 | ¥138 | −23.6% |
| 2008 | ¥180 | −38.3% |
| 2007 | ¥292 | −53.5% |
| 2006 | ¥628 | −24.2% |
| 2005 | ¥828 | +38.0% |
| 2004 | ¥600 | −38.8% |
| 2003 | ¥980 | +132.2% |
| 2002 | ¥422 | −41.4% |
| 2001 | ¥720 | −86.4% |
| 2000 | ¥5,280 | ― |
Daily, weekly and monthly closes (Yahoo! Finance, split-adjusted, dividends excluded). "All" covers the range Yahoo provides (from Aug 2000). Please check the latest prices before trading.
SEIKOH GIKEN Co.,Ltd. (6834) financial indicators
PER, ROE and dividend yield are based on company forecasts, calculated from earnings reports and the closing price after each trading day.
SEIKOH GIKEN Co.,Ltd. in Kabutaro's Daily Blog
- Aug 12, 2026 Japan Stock of the Day: On August 12, 2026, the most talked-about Japanese stock online was Seiko Giken <6834>.
Days when Kabutaro's daily blog featured this stock.
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