JPX · 2391 · stock
Planet, Inc. (2391) stock price history
Every JPX trading session of Planet, Inc. from Feb 24, 2004 to Sep 28, 2026: 5,589 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.
2391 adjusted close, 2004 to 2026
- ¥1,783
- All time high, 2018
- ¥1,331
- 52 week high, ¥1,148 low
- 5,589
- Daily sessions since 2004
Last updated Sep 28, 2026, the last stored session. Refreshes after each trading day. Full 2004 to 2026 series and minute bars.
2391 key facts
- Planet, Inc. (2391) closed at ¥1,173 on Sep 28, 2026 on JPX.
- 2391's all time high close is ¥1,783, set on Feb 22, 2018; its all time low close is ¥208.99 on Oct 28, 2008.
- 2391's 52 week range is ¥1,148 to ¥1,331.
- 2391 returned -3.1% over the year to Sep 28, 2026 and -6.7% over five years.
- Over ten years 2391 returned +2%, +0.2% a year compounded.
- 2391's deepest drawdown was -79.2% from Jul 8, 2004 to Oct 28, 2008.
- DataCedar holds 5,589 daily sessions of 2391 history from Feb 24, 2004 and minute bars from Sep 14, 2026, adjusted for splits and dividends, served by the API under a key.
2391 price chart, 2004 to 2026
2391 returns
Price return from the last close on or before the window start to Sep 28, 2026, on adjusted closes.
| Period | Return |
|---|---|
| 1 month | -0.7% |
| 3 months | +0.5% |
| 6 months | -4.3% |
| Year to date | -4.3% |
| 1 year | -3.1% |
| 3 years | +4.4% |
| 5 years | -6.7% |
| 10 years | +1.7% |
| Since Feb 24, 2004 | +294.2% |
| Compound annual growth, 22.6 years | +6.3% |
2391 records
Measured on the stored closes; every figure is reproducible from the API series.
- All time high close
- ¥1,783 on Feb 22, 2018
- All time low close
- ¥208.99 on Oct 28, 2008
- 52 week high
- ¥1,331 on Feb 25, 2026
- 52 week low
- ¥1,148 on Jun 12, 2026
- Deepest drawdown
- -79.2% from Jul 8, 2004 to Oct 28, 2008, recovered May 21, 2015
- Best single session
- +29.4% on Oct 8, 2010
- Worst single session
- -21.3% on Oct 7, 2010
- Volatility, 1 year annualised
- 11.6%
- Sessions closing higher, 1 year
- 45%
- Growth of 1 since 2004
- 3.9×
- Best calendar year
- 2013, +41%
- Worst calendar year
- 2006, -37%
2391 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. 2004 starts on Feb 24, 2004; 2026 runs to Sep 28, 2026.
| Year | Open | High | Low | Close | Return | Volume | Sessions |
|---|---|---|---|---|---|---|---|
| 2026 | ¥1,229 | ¥1,331 | ¥1,148 | ¥1,173 | -4.3% | 963.6K | 178 |
| 2025 | ¥1,166 | ¥1,276 | ¥1,138 | ¥1,226 | +5.2% | 820.2K | 243 |
| 2024 | ¥1,104 | ¥1,357 | ¥1,077 | ¥1,166 | +5.6% | 1.4M | 245 |
| 2023 | ¥1,065 | ¥1,424 | ¥1,059 | ¥1,104 | +3.8% | 2.7M | 246 |
| 2022 | ¥1,242 | ¥1,295 | ¥1,004 | ¥1,063 | -13.8% | 876.7K | 244 |
| 2021 | ¥1,208 | ¥1,376 | ¥1,169 | ¥1,233 | +3.1% | 354.5K | 245 |
| 2020 | ¥1,248 | ¥1,344 | ¥815.02 | ¥1,197 | -4.1% | 438.4K | 242 |
| 2019 | ¥1,476 | ¥1,480 | ¥1,165 | ¥1,248 | -13.6% | 177.1K | 241 |
| 2018 | ¥1,556 | ¥1,898 | ¥1,359 | ¥1,444 | -7.2% | 263.5K | 261 |
| 2017 | ¥1,461 | ¥1,739 | ¥1,430 | ¥1,556 | +8.8% | 487.7K | 253 |
| 2016 | ¥1,083 | ¥1,785 | ¥989.78 | ¥1,430 | +32.1% | 627.1K | 245 |
| 2015 | ¥843.83 | ¥1,277 | ¥829.53 | ¥1,083 | +28.3% | 456.7K | 244 |
| 2014 | ¥816.33 | ¥936.26 | ¥758.02 | ¥843.83 | +5.8% | 507.6K | 244 |
| 2013 | ¥568.35 | ¥917.07 | ¥568.35 | ¥797.58 | +41.2% | 852.2K | 245 |
| 2012 | ¥442.39 | ¥637.47 | ¥439.16 | ¥565.00 | +28.5% | 371.2K | 248 |
| 2011 | ¥374.62 | ¥450.14 | ¥315.29 | ¥439.81 | +17.4% | 272.3K | 245 |
| 2010 | ¥329.68 | ¥398.73 | ¥247.27 | ¥374.62 | +17.3% | 262.8K | 243 |
| 2009 | ¥240.12 | ¥493.58 | ¥229.75 | ¥319.48 | +30.6% | 763.8K | 243 |
| 2008 | ¥321.81 | ¥363.15 | ¥208.99 | ¥244.57 | -24.0% | 310.4K | 245 |
| 2007 | ¥336.04 | ¥400.39 | ¥238.80 | ¥321.81 | -5.0% | 1M | 245 |
| 2006 | ¥536.23 | ¥627.75 | ¥336.04 | ¥338.90 | -36.8% | 1.2M | 260 |
| 2005 | ¥498.37 | ¥674.22 | ¥475.46 | ¥536.23 | +7.6% | 2.7M | 260 |
| 2004 | ¥297.56 | ¥1,204 | ¥297.56 | ¥498.37 | n/a | 9.9M | 224 |
2391 monthly closes, last 12 months
| Month | Month end close | Change |
|---|---|---|
| September 2026 | ¥1,173 | -0.7% |
| August 2026 | ¥1,181 | 0.0% |
| July 2026 | ¥1,181 | +0.9% |
| June 2026 | ¥1,170 | -0.9% |
| May 2026 | ¥1,181 | -2.7% |
| April 2026 | ¥1,215 | -0.8% |
| March 2026 | ¥1,224 | -0.8% |
| February 2026 | ¥1,234 | +1.7% |
| January 2026 | ¥1,214 | -1.0% |
| December 2025 | ¥1,226 | +1.7% |
| November 2025 | ¥1,206 | +0.7% |
| October 2025 | ¥1,197 | -1.1% |
About the 2391 data
Daily bars. 5,589 sessions from Feb 24, 2004 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 Feb 24, 2004, 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/2391/bars?timeframe=1Day&adjustment=all&limit=50000" \
-H "X-API-Key: YOUR_KEY"Nearby on JPX
Common questions
2391 share price history
