JPX · 6140 · stock

Asahi Diamond Industrial Co., Ltd. (6140) stock price history

Every JPX trading session of Asahi Diamond Industrial Co., Ltd. from Jan 1, 2001 to Sep 28, 2026: 6,410 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.

6140 adjusted close, 2001 to 2026

6140Asahi Diamond Industrial Co., Ltd.
¥1,117+29.0% over one year
20052010201520202025
¥1,640
All time high, 2026
¥1,715
52 week high, ¥776.78 low
6,410
Daily sessions since 2001

Last updated Sep 28, 2026, the last stored session. Refreshes after each trading day. Full 2001 to 2026 series and minute bars.

6140 key facts

  • Asahi Diamond Industrial Co., Ltd. (6140) closed at ¥1,117 on Sep 28, 2026 on JPX.
  • 6140's all time high close is ¥1,640, set on Mar 2, 2026; its all time low close is ¥223.88 on Dec 18, 2002.
  • 6140's 52 week range is ¥776.78 to ¥1,715.
  • 6140 returned +29.0% over the year to Sep 28, 2026 and +83.6% over five years.
  • Over ten years 6140 returned +71%, +5.5% a year compounded.
  • 6140's deepest drawdown was -73.9% from Jul 21, 2011 to Mar 16, 2020.
  • DataCedar holds 6,410 daily sessions of 6140 history from Jan 1, 2001 and minute bars from Sep 14, 2026, adjusted for splits and dividends, served by the API under a key.

6140 price chart, 2001 to 2026

6140 adjusted close, Jan 1, 2001 to Sep 28, 2026¥244.34¥593.23¥942.11¥1,29120052010201520202025
Adjusted daily close. 260 sampled points across the full history; the API serves every session.

6140 returns

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

PeriodReturn
1 month-8.0%
3 months-8.2%
6 months-11.6%
Year to date+35.8%
1 year+29.0%
3 years+33.6%
5 years+83.6%
10 years+71.0%
Since Jan 1, 2001+245.5%
Compound annual growth, 25.7 years+4.9%

6140 records

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

All time high close
¥1,640 on Mar 2, 2026
All time low close
¥223.88 on Dec 18, 2002
52 week high
¥1,715 on Mar 2, 2026
52 week low
¥776.78 on Nov 19, 2025
Deepest drawdown
-73.9% from Jul 21, 2011 to Mar 16, 2020, recovered Feb 25, 2026
Best single session
+19.1% on Feb 25, 2026
Worst single session
-17.5% on Feb 12, 2016
Volatility, 1 year annualised
55.5%
Sessions closing higher, 1 year
54%
Growth of 1 since 2001
3.5×
Best calendar year
2010, +137%
Worst calendar year
2018, -52%

6140 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. 2001 starts on Jan 1, 2001; 2026 runs to Sep 28, 2026.

YearOpenHighLowCloseReturnVolumeSessions
2026¥828.17¥1,715¥821.25¥1,117+35.8%384.3M178
2025¥790.88¥893.08¥664.60¥822.24+4.2%43.9M243
2024¥781.55¥940.11¥688.42¥788.97+1.2%38M245
2023¥603.97¥875.98¥591.45¥779.70+29.1%71.4M246
2022¥566.40¥734.97¥450.54¥603.97+7.8%64.1M244
2021¥383.13¥630.51¥368.78¥560.39+47.9%54.2M245
2020¥532.86¥541.15¥333.97¥378.91-29.1%38.3M242
2019¥480.77¥681.23¥475.15¥534.52+7.5%52.3M241
2018¥1,036¥1,143¥437.58¥497.07-52.0%108.2M261
2017¥681.73¥1,070¥621.04¥1,036+53.1%99.6M253
2016¥1,004¥1,036¥573.80¥676.97-32.8%103.2M245
2015¥946.56¥1,184¥774.48¥1,007+5.3%104.6M244
2014¥797.98¥1,305¥752.13¥955.58+19.5%118.4M244
2013¥622.01¥852.19¥583.14¥799.46+30.8%71.8M245
2012¥653.36¥789.22¥475.87¥611.21-6.1%135.5M248
2011¥1,060¥1,334¥621.15¥651.26-38.1%218M245
2010¥447.13¥1,170¥404.96¥1,053+136.9%296.1M243
2009¥334.22¥486.47¥260.53¥444.45+34.3%56M243
2008¥518.07¥528.98¥266.45¥330.93-36.1%47.2M245
2007¥572.94¥593.58¥475.70¥518.07-9.5%62.9M245
2006¥653.32¥774.03¥454.45¥572.31-12.4%69M260
2005¥371.45¥681.32¥363.49¥653.32+75.9%41.9M260
2004¥326.73¥414.68¥326.73¥371.45+13.7%28.9M262
2003¥247.27¥340.87¥239.67¥326.73+32.1%22.2M261
2002¥296.81¥346.35¥222.13¥247.27-16.7%13.5M261
2001¥323.27¥380.51¥279.11¥296.81n/a14.2M261

6140 monthly closes, last 12 months

MonthMonth end closeChange
September 2026¥1,117-8.2%
August 2026¥1,217+10.3%
July 2026¥1,103-9.1%
June 2026¥1,213-9.7%
May 2026¥1,343+4.0%
April 2026¥1,291+9.2%
March 2026¥1,182-27.5%
February 2026¥1,631+82.3%
January 2026¥894.39+8.8%
December 2025¥822.24+0.2%
November 2025¥820.27-1.0%
October 2025¥828.17-3.6%

About the 6140 data

Daily bars. 6,410 sessions from Jan 1, 2001 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 Jan 1, 2001, 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/6140/bars?timeframe=1Day&adjustment=all&limit=50000" \
  -H "X-API-Key: YOUR_KEY"

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Common questions

6140 share price history

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