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 Sep 28, 2026: 4,742 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
- ¥2,140
- All time high, 2024
- ¥2,106
- 52 week high, ¥1,560 low
- 4,742
- Daily sessions since 2007
Last updated Sep 28, 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 ¥2,035 on Sep 28, 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 ¥1,560 to ¥2,106.
- 2154 returned +17.3% over the year to Sep 28, 2026 and +81.3% over five years.
- Over ten years 2154 returned +236%, +12.9% a year compounded.
- 2154's deepest drawdown was -92.0% from Jun 7, 2007 to Mar 16, 2009.
- DataCedar holds 4,742 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 returns
Price return from the last close on or before the window start to Sep 28, 2026, on adjusted closes.
| Period | Return |
|---|---|
| 1 month | -2.3% |
| 3 months | +9.1% |
| 6 months | +16.5% |
| Year to date | +13.4% |
| 1 year | +17.3% |
| 3 years | +24.3% |
| 5 years | +81.3% |
| 10 years | +235.6% |
| Since Jun 6, 2007 | +1,620% |
| Compound annual growth, 19.3 years | +15.9% |
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
- ¥1,560 on Oct 14, 2025
- Deepest drawdown
- -92.0% from Jun 7, 2007 to Mar 16, 2009, recovered Mar 25, 2013
- Best single session
- +20.5% on Jan 24, 2011
- Worst single session
- -33.1% on Mar 15, 2011
- Volatility, 1 year annualised
- 20.0%
- Sessions closing higher, 1 year
- 49%
- Growth of 1 since 2007
- 17.2×
- 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 Sep 28, 2026.
| Year | Open | High | Low | Close | Return | Volume | Sessions |
|---|---|---|---|---|---|---|---|
| 2026 | ¥1,786 | ¥2,106 | ¥1,661 | ¥2,035 | +13.4% | 36.2M | 178 |
| 2025 | ¥1,670 | ¥1,891 | ¥1,378 | ¥1,795 | +7.6% | 54.3M | 243 |
| 2024 | ¥2,057 | ¥2,169 | ¥1,453 | ¥1,668 | -20.6% | 45M | 245 |
| 2023 | ¥1,475 | ¥2,107 | ¥1,416 | ¥2,100 | +41.5% | 58.2M | 246 |
| 2022 | ¥1,444 | ¥1,781 | ¥1,109 | ¥1,484 | +3.4% | 79.8M | 244 |
| 2021 | ¥1,053 | ¥1,694 | ¥916.95 | ¥1,435 | +36.8% | 105.5M | 245 |
| 2020 | ¥997.90 | ¥1,082 | ¥325.26 | ¥1,049 | +4.5% | 72.3M | 242 |
| 2019 | ¥1,014 | ¥1,594 | ¥914.73 | ¥1,004 | -4.5% | 39.8M | 241 |
| 2018 | ¥1,263 | ¥1,970 | ¥933.17 | ¥1,052 | -16.7% | 68.5M | 261 |
| 2017 | ¥619.81 | ¥1,517 | ¥603.72 | ¥1,263 | +108.0% | 46M | 253 |
| 2016 | ¥467.38 | ¥639.00 | ¥377.53 | ¥607.37 | +30.3% | 20.5M | 245 |
| 2015 | ¥312.94 | ¥473.86 | ¥294.75 | ¥466.13 | +49.0% | 22.7M | 244 |
| 2014 | ¥223.56 | ¥348.63 | ¥206.60 | ¥312.94 | +40.4% | 42.4M | 244 |
| 2013 | ¥94.55 | ¥228.27 | ¥94.39 | ¥222.89 | +137.7% | 42.6M | 245 |
| 2012 | ¥63.13 | ¥94.07 | ¥62.08 | ¥93.75 | +48.2% | 22.8M | 248 |
| 2011 | ¥48.13 | ¥89.74 | ¥46.29 | ¥63.28 | +34.2% | 43.2M | 245 |
| 2010 | ¥31.42 | ¥62.28 | ¥29.72 | ¥47.13 | +50.0% | 14M | 243 |
| 2009 | ¥27.12 | ¥37.65 | ¥9.40 | ¥31.42 | +15.7% | 13.2M | 243 |
| 2008 | ¥53.50 | ¥85.77 | ¥25.48 | ¥27.15 | -51.1% | 26M | 245 |
| 2007 | ¥141.54 | ¥145.78 | ¥48.12 | ¥55.48 | n/a | 117.1M | 142 |
2154 monthly closes, last 12 months
| Month | Month end close | Change |
|---|---|---|
| September 2026 | ¥2,035 | -1.5% |
| 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% |
| November 2025 | ¥1,720 | +4.6% |
| October 2025 | ¥1,645 | -5.2% |
About the 2154 data
Daily bars. 4,742 sessions from Jun 6, 2007 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 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/2154/bars?timeframe=1Day&adjustment=all&limit=50000" \
-H "X-API-Key: YOUR_KEY"Nearby on JPX
Common questions
2154 share price history
