JPX · 6156 · stock

A-One Seimitsu Inc. (6156) stock price history

Every JPX trading session of A-One Seimitsu Inc. from Mar 6, 2003 to Sep 28, 2026: 5,842 daily bars, adjusted for splits and dividends, with minute bars from Sep 14, 2026 forward. The full series is served by the API: a free key covers the last year, paid plans the whole history and minute bars.

6156 adjusted close, 2003 to 2026

6156A-One Seimitsu Inc.
¥1,844+9.3% over one year
20052010201520202025
¥4,869
All time high, 2004
¥1,982
52 week high, ¥1,636 low
5,842
Daily sessions since 2003

Last updated Sep 28, 2026, the last stored session. Refreshes after each trading day. Full 2003 to 2026 series and minute bars.

6156 key facts

  • A-One Seimitsu Inc. (6156) closed at ¥1,844 on Sep 28, 2026 on JPX.
  • 6156's all time high close is ¥4,869, set on Apr 30, 2004; its all time low close is ¥282.09 on Mar 23, 2009.
  • 6156's 52 week range is ¥1,636 to ¥1,982.
  • 6156 returned +9.3% over the year to Sep 28, 2026 and +67.4% over five years.
  • Over ten years 6156 returned +239%, +13.0% a year compounded.
  • 6156's deepest drawdown was -94.2% from May 5, 2004 to Mar 23, 2009.
  • DataCedar holds 5,842 daily sessions of 6156 history from Mar 6, 2003 and minute bars from Sep 14, 2026, adjusted for splits and dividends, served by the API under a key.

6156 price chart, 2003 to 2026

6156 adjusted close, Mar 6, 2003 to Sep 28, 2026¥286.16¥1,279¥2,271¥3,26420052010201520202025
Adjusted daily close. 260 sampled points across the full history; the API serves every session.

6156 returns

Price return from the last close on or before the window start to Sep 28, 2026, on adjusted closes.

PeriodReturn
1 month-1.8%
3 months-3.2%
6 months-1.2%
Year to date+8.5%
1 year+9.3%
3 years+7.4%
5 years+67.4%
10 years+239.1%
Since Mar 6, 2003+136.7%
Compound annual growth, 23.6 years+3.7%

6156 records

Measured on the stored closes; every figure is reproducible from the API series.

All time high close
¥4,869 on Apr 30, 2004
All time low close
¥282.09 on Mar 23, 2009
52 week high
¥1,982 on May 13, 2026
52 week low
¥1,636 on Oct 3, 2025
Deepest drawdown
-94.2% from May 5, 2004 to Mar 23, 2009, not yet recovered
Best single session
+29.8% on Sep 3, 2003
Worst single session
-63.8% on Jun 25, 2004
Volatility, 1 year annualised
14.5%
Sessions closing higher, 1 year
52%
Growth of 1 since 2003
2.4×
Best calendar year
2017, +44%
Worst calendar year
2004, -60%

6156 price history by year

Open is the first session's open, high and low span the year, close is the last session's close, and the return is close over the previous year's close. 2003 starts on Mar 6, 2003; 2026 runs to Sep 28, 2026.

YearOpenHighLowCloseReturnVolumeSessions
2026¥1,705¥1,982¥1,677¥1,844+8.5%3.1M178
2025¥1,552¥1,789¥1,494¥1,699+9.4%3.2M243
2024¥1,673¥1,884¥1,411¥1,552-6.3%4.9M245
2023¥1,332¥1,767¥1,332¥1,656+23.3%2.8M246
2022¥1,112¥1,503¥1,059¥1,344+21.5%2M244
2021¥986.92¥1,132¥969.78¥1,106+12.0%811.4K245
2020¥1,006¥1,071¥718.69¥986.92-1.9%784.7K242
2019¥931.72¥1,052¥929.27¥1,006+7.8%471.2K241
2018¥838.74¥1,033¥785.47¥933.13+11.3%1.2M261
2017¥581.86¥870.84¥578.87¥838.74+44.2%2.5M253
2016¥630.10¥635.57¥508.71¥581.52-7.7%625.6K245
2015¥540.74¥681.77¥528.15¥630.10+16.5%1.2M244
2014¥507.96¥573.01¥472.45¥540.74+10.5%686.8K244
2013¥377.46¥492.52¥377.46¥489.44+30.7%1.4M245
2012¥347.25¥420.82¥342.25¥374.44+6.9%724K248
2011¥394.05¥434.33¥272.50¥350.19-14.3%646.4K245
2010¥322.63¥533.04¥311.41¥408.53+27.7%972.8K243
2009¥331.04¥387.15¥282.09¥319.82-2.8%506.8K243
2008¥688.74¥694.35¥284.89¥328.94-53.1%1.5M245
2007¥729.96¥743.68¥624.21¥701.36-3.9%2M245
2006¥912.45¥985.17¥655.86¥729.96-20.0%2M260
2005¥651.75¥933.03¥633.91¥912.45+40.0%3.7M260
2004¥1,632¥4,977¥546.10¥651.75-60.1%4.9M262
2003¥785.63¥2,271¥552.60¥1,632n/a6.5M215

6156 monthly closes, last 12 months

MonthMonth end closeChange
September 2026¥1,844-1.2%
August 2026¥1,866+2.6%
July 2026¥1,818+2.1%
June 2026¥1,781-7.4%
May 2026¥1,924+1.5%
April 2026¥1,896+2.8%
March 2026¥1,845-3.4%
February 2026¥1,911+5.6%
January 2026¥1,810+6.5%
December 2025¥1,699+1.0%
November 2025¥1,682-0.8%
October 2025¥1,696+0.5%

About the 6156 data

Daily bars. 5,842 sessions from Mar 6, 2003 to Sep 28, 2026, one row per JPX trading day with open, high, low, close and volume. Prices are adjusted for splits and cash dividends so the series is comparable across its whole length; the API also serves the raw, split only and dividend only views.

Minute bars. Stored from Sep 14, 2026 forward, most recent session Sep 29, 2026. Minute history is captured from the day collection began and is never backfilled, so this start date is exact. Five minute, fifteen minute and hourly bars are derived from these minutes.

Time and currency. Session dates are JPX trading days; minute timestamps are UTC. Prices are in JPY. Volume is shares traded on the session.

Get the data. The REST endpoint returns the daily series as JSON with pagination; a free key serves the last year, Quant and above the full history back to Mar 6, 2003, and minute bars come with the paid windows. It takes timeframe (1Min, 5Min, 15Min, 1Hour, 1Day), adjustment, start and end. See the bars endpoint and authentication, and pricing for the plan windows.

curl "https://api.datacedar.com/v3/stocks/6156/bars?timeframe=1Day&adjustment=all&limit=50000" \
  -H "X-API-Key: YOUR_KEY"

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Common questions

6156 share price history

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