JPX · 2331 · stock
Alsok Co.,Ltd. (2331) stock price history
Every JPX trading session of Alsok Co.,Ltd. from Oct 25, 2002 to Sep 28, 2026: 5,936 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.
2331 adjusted close, 2002 to 2026
- ¥1,305
- All time high, 2026
- ¥1,335
- 52 week high, ¥1,033 low
- 5,936
- Daily sessions since 2002
Last updated Sep 28, 2026, the last stored session. Refreshes after each trading day. Full 2002 to 2026 series and minute bars.
2331 key facts
- Alsok Co.,Ltd. (2331) closed at ¥1,189 on Sep 28, 2026 on JPX.
- 2331's all time high close is ¥1,305, set on Apr 7, 2026; its all time low close is ¥110.17 on Mar 12, 2009.
- 2331's 52 week range is ¥1,033 to ¥1,335.
- 2331 returned +7.3% over the year to Sep 28, 2026 and +30.3% over five years.
- Over ten years 2331 returned +33%, +2.9% a year compounded.
- 2331's deepest drawdown was -68.9% from Jan 9, 2007 to Mar 12, 2009.
- DataCedar holds 5,936 daily sessions of 2331 history from Oct 25, 2002 and minute bars from Sep 14, 2026, adjusted for splits and dividends, served by the API under a key.
2331 price chart, 2002 to 2026
2331 returns
Price return from the last close on or before the window start to Sep 28, 2026, on adjusted closes.
| Period | Return |
|---|---|
| 1 month | -1.2% |
| 3 months | +11.4% |
| 6 months | -3.6% |
| Year to date | -2.3% |
| 1 year | +7.3% |
| 3 years | +38.6% |
| 5 years | +30.3% |
| 10 years | +33.3% |
| Since Oct 25, 2002 | +430.1% |
| Compound annual growth, 23.9 years | +7.2% |
2331 records
Measured on the stored closes; every figure is reproducible from the API series.
- All time high close
- ¥1,305 on Apr 7, 2026
- All time low close
- ¥110.17 on Mar 12, 2009
- 52 week high
- ¥1,335 on Apr 8, 2026
- 52 week low
- ¥1,033 on Nov 4, 2025
- Deepest drawdown
- -68.9% from Jan 9, 2007 to Mar 12, 2009, recovered Mar 7, 2014
- Best single session
- +15.6% on May 8, 2013
- Worst single session
- -17.3% on Feb 6, 2008
- Volatility, 1 year annualised
- 21.3%
- Sessions closing higher, 1 year
- 51%
- Growth of 1 since 2002
- 5.3×
- Best calendar year
- 2013, +99%
- Worst calendar year
- 2008, -46%
2331 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. 2002 starts on Oct 25, 2002; 2026 runs to Sep 28, 2026.
| Year | Open | High | Low | Close | Return | Volume | Sessions |
|---|---|---|---|---|---|---|---|
| 2026 | ¥1,219 | ¥1,335 | ¥1,047 | ¥1,189 | -2.3% | 220.3M | 178 |
| 2025 | ¥1,046 | ¥1,249 | ¥963.10 | ¥1,217 | +16.7% | 268.1M | 243 |
| 2024 | ¥759.72 | ¥1,107 | ¥720.03 | ¥1,043 | +37.3% | 275.9M | 245 |
| 2023 | ¥658.79 | ¥884.28 | ¥615.73 | ¥759.34 | +15.3% | 304.5M | 246 |
| 2022 | ¥820.60 | ¥826.87 | ¥624.69 | ¥658.79 | -19.5% | 457.9M | 244 |
| 2021 | ¥947.11 | ¥975.38 | ¥813.43 | ¥818.81 | -13.4% | 265.7M | 245 |
| 2020 | ¥1,018 | ¥1,057 | ¥678.38 | ¥945.34 | -8.4% | 244.1M | 242 |
| 2019 | ¥859.45 | ¥1,062 | ¥794.06 | ¥1,032 | +16.7% | 212.3M | 241 |
| 2018 | ¥1,042 | ¥1,108 | ¥779.84 | ¥884.39 | -15.1% | 316.3M | 261 |
| 2017 | ¥755.61 | ¥1,076 | ¥675.85 | ¥1,042 | +38.1% | 477.6M | 253 |
| 2016 | ¥944.37 | ¥1,082 | ¥711.95 | ¥754.77 | -20.4% | 505.4M | 245 |
| 2015 | ¥486.42 | ¥1,042 | ¥468.12 | ¥947.70 | +96.5% | 592.8M | 244 |
| 2014 | ¥340.26 | ¥493.67 | ¥288.64 | ¥482.30 | +42.0% | 624.5M | 244 |
| 2013 | ¥173.55 | ¥364.52 | ¥172.28 | ¥339.61 | +98.6% | 419.7M | 245 |
| 2012 | ¥128.68 | ¥188.02 | ¥127.12 | ¥171.00 | +34.5% | 260M | 248 |
| 2011 | ¥148.67 | ¥161.37 | ¥112.12 | ¥127.12 | -13.6% | 166.5M | 245 |
| 2010 | ¥155.15 | ¥177.76 | ¥122.31 | ¥147.14 | -5.7% | 252.8M | 243 |
| 2009 | ¥143.62 | ¥180.14 | ¥109.88 | ¥156.05 | +14.1% | 299.4M | 243 |
| 2008 | ¥251.26 | ¥253.72 | ¥119.70 | ¥136.72 | -46.3% | 291.2M | 245 |
| 2007 | ¥347.22 | ¥355.79 | ¥233.49 | ¥254.58 | -25.6% | 338.8M | 245 |
| 2006 | ¥255.68 | ¥351.50 | ¥235.06 | ¥342.21 | +33.8% | 329.1M | 260 |
| 2005 | ¥209.54 | ¥274.37 | ¥192.41 | ¥255.68 | +22.0% | 219M | 260 |
| 2004 | ¥171.01 | ¥212.60 | ¥169.91 | ¥209.54 | +22.5% | 226.1M | 262 |
| 2003 | ¥228.28 | ¥238.88 | ¥161.09 | ¥171.01 | -25.1% | 211.2M | 261 |
| 2002 | ¥210.61 | ¥252.60 | ¥210.61 | ¥228.28 | n/a | 168.9M | 48 |
2331 monthly closes, last 12 months
| Month | Month end close | Change |
|---|---|---|
| September 2026 | ¥1,189 | -2.3% |
| August 2026 | ¥1,217 | +3.7% |
| July 2026 | ¥1,173 | +9.8% |
| June 2026 | ¥1,068 | -5.2% |
| May 2026 | ¥1,126 | -5.2% |
| April 2026 | ¥1,188 | -5.0% |
| March 2026 | ¥1,250 | -1.3% |
| February 2026 | ¥1,266 | +7.0% |
| January 2026 | ¥1,183 | -2.8% |
| December 2025 | ¥1,217 | +0.6% |
| November 2025 | ¥1,210 | +16.2% |
| October 2025 | ¥1,041 | -5.6% |
About the 2331 data
Daily bars. 5,936 sessions from Oct 25, 2002 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 Oct 25, 2002, 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/2331/bars?timeframe=1Day&adjustment=all&limit=50000" \
-H "X-API-Key: YOUR_KEY"Nearby on JPX
Common questions
2331 share price history
