JPX · 2154 · stock

Open Up Group Inc. (2154) stock price history

Every JPX trading session of Open Up Group Inc. from Jun 6, 2007 to Nov 13, 2026: 4,719 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.

2154 adjusted close, 2007 to 2026

2154Open Up Group Inc.
¥2,026+18.5% over one year
2010201520202025
¥2,140
All time high, 2024
¥2,106
52 week high, ¥1,660 low
4,719
Daily sessions since 2007

Last updated Nov 13, 2026, the last stored session. Refreshes after each trading day. Full 2007 to 2026 series and minute bars.

2154 key facts

  • Open Up Group Inc. (2154) closed at ¥2,026 on Nov 13, 2026 on JPX.
  • 2154's all time high close is ¥2,140, set on Feb 6, 2024; its all time low close is ¥9.79 on Mar 16, 2009.
  • 2154's 52 week range is ¥1,660 to ¥2,106.
  • 2154 returned +18.5% over the year to Nov 13, 2026 and +43.6% over five years.
  • Over ten years 2154 returned +290%, +14.6% a year compounded.
  • 2154's deepest drawdown was -92.0% from Jun 7, 2007 to Mar 16, 2009.
  • DataCedar holds 4,719 daily sessions of 2154 history from Jun 6, 2007 and minute bars from Sep 14, 2026, adjusted for splits and dividends, served by the API under a key.

2154 price chart, 2007 to 2026

2154 adjusted close, Jun 6, 2007 to Nov 13, 2026¥9.79¥58.44¥348.69¥2,0812010201520202025
Adjusted daily close, log scale. 260 sampled points across the full history; the API serves every session.

2154 returns

Price return from the last close on or before the window start to Nov 13, 2026, on adjusted closes.

PeriodReturn
1 month-0.4%
3 months+1.2%
6 months+14.1%
Year to date+12.9%
1 year+18.5%
3 years+11.2%
5 years+43.6%
10 years+290.3%
Since Jun 6, 2007+1,612%
Compound annual growth, 19.4 years+15.7%

2154 records

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

All time high close
¥2,140 on Feb 6, 2024
All time low close
¥9.79 on Mar 16, 2009
52 week high
¥2,106 on Jul 29, 2026
52 week low
¥1,660 on Nov 19, 2025
Deepest drawdown
-92.0% from Jun 7, 2007 to Mar 16, 2009, recovered Mar 27, 2013
Best single session
+40.0% on Aug 14, 2007
Worst single session
-33.1% on Mar 15, 2011
Volatility, 1 year annualised
21.0%
Sessions closing higher, 1 year
50%
Growth of 1 since 2007
17.1×
Best calendar year
2013, +138%
Worst calendar year
2008, -51%

2154 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. 2007 starts on Jun 6, 2007; 2026 runs to Nov 13, 2026.

YearOpenHighLowCloseReturnVolumeSessions
2026¥1,786¥2,106¥1,661¥2,026+12.9%41.1M206
2025¥1,670¥1,891¥1,378¥1,795+7.6%54.3M243
2024¥2,057¥2,169¥1,453¥1,668-20.6%45M245
2023¥1,475¥2,107¥1,416¥2,100+41.5%58.2M246
2022¥1,444¥1,781¥1,109¥1,484+3.4%79.8M244
2021¥1,053¥1,694¥916.95¥1,435+36.8%105.5M245
2020¥997.90¥1,082¥325.26¥1,049+4.5%72.2M241
2019¥1,014¥1,594¥914.73¥1,004-4.5%39.8M241
2018¥1,263¥1,970¥933.17¥1,052-16.7%68.5M261
2017¥619.81¥1,517¥603.72¥1,263+108.0%46M253
2016¥467.38¥639.00¥377.53¥607.37+30.3%20.4M242
2015¥312.94¥473.86¥294.75¥466.13+49.0%22.7M244
2014¥223.56¥348.63¥206.60¥312.94+40.4%42.4M244
2013¥94.55¥228.27¥94.39¥222.89+137.7%42M241
2012¥63.13¥94.07¥62.08¥93.75+48.2%22.8M247
2011¥48.13¥89.74¥46.29¥63.28+34.2%43M240
2010¥31.42¥62.28¥29.72¥47.13+46.7%13.7M239
2009¥27.12¥37.65¥9.40¥32.13+18.4%12.5M223
2008¥53.50¥85.77¥25.48¥27.15-51.1%25.5M235
2007¥141.54¥145.78¥48.12¥55.48n/a116.9M139

2154 monthly closes, last 12 months

MonthMonth end closeChange
November 2026¥2,026+0.9%
October 2026¥2,007-0.4%
September 2026¥2,016-2.4%
August 2026¥2,066+2.6%
July 2026¥2,014+5.1%
June 2026¥1,917+6.3%
May 2026¥1,804+5.6%
April 2026¥1,708-1.5%
March 2026¥1,734-7.0%
February 2026¥1,864+3.1%
January 2026¥1,808+0.7%
December 2025¥1,795+4.3%

About the 2154 data

Daily bars. 4,719 sessions from Jun 6, 2007 to Nov 13, 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 Nov 2, 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 Jun 6, 2007, 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/jpx%3A2154/bars?timeframe=1Day&adjustment=all&limit=50000" \
  -H "X-API-Key: YOUR_KEY"

Nearby on JPX

  • 2146 UT Group Co.,Ltd.
  • 2148 ITmedia Inc.
  • 2152 Youji Corporation
  • 2153 E J Holdings Inc.
  • 2156 Saylor Advertising.Inc.
  • 2157 Koshidaka Holdings Co., Ltd.
  • 2158 FRONTEO, Inc.
  • 215A Timee, Inc.

Common questions

2154 share price history

Start with any symbol.