JPX · 4323 · stock
Japan System Techniques Co., Ltd. (4323) stock price history
Every JPX trading session of Japan System Techniques Co., Ltd. from Feb 5, 2003 to Sep 28, 2026: 5,863 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.
4323 adjusted close, 2003 to 2026
- ¥2,610
- All time high, 2026
- ¥2,686
- 52 week high, ¥1,487 low
- 5,863
- Daily sessions since 2003
Last updated Sep 28, 2026, the last stored session. Refreshes after each trading day. Full 2003 to 2026 series and minute bars.
4323 key facts
- Japan System Techniques Co., Ltd. (4323) closed at ¥1,887 on Sep 28, 2026 on JPX.
- 4323's all time high close is ¥2,610, set on Jan 23, 2026; its all time low close is ¥69.77 on Dec 4, 2008.
- 4323's 52 week range is ¥1,487 to ¥2,686.
- 4323 returned -20.3% over the year to Sep 28, 2026 and +298.5% over five years.
- Over ten years 4323 returned +1,153%, +28.8% a year compounded.
- 4323's deepest drawdown was -75.2% from Apr 13, 2004 to Dec 4, 2008.
- DataCedar holds 5,863 daily sessions of 4323 history from Feb 5, 2003 and minute bars from Sep 14, 2026, adjusted for splits and dividends, served by the API under a key.
4323 price chart, 2003 to 2026
4323 returns
Price return from the last close on or before the window start to Sep 28, 2026, on adjusted closes.
| Period | Return |
|---|---|
| 1 month | -4.5% |
| 3 months | +26.8% |
| 6 months | -7.5% |
| Year to date | -23.9% |
| 1 year | -20.3% |
| 3 years | +75.9% |
| 5 years | +298.5% |
| 10 years | +1,153% |
| Since Feb 5, 2003 | +2,042% |
| Compound annual growth, 23.6 years | +13.8% |
4323 records
Measured on the stored closes; every figure is reproducible from the API series.
- All time high close
- ¥2,610 on Jan 23, 2026
- All time low close
- ¥69.77 on Dec 4, 2008
- 52 week high
- ¥2,686 on Jan 23, 2026
- 52 week low
- ¥1,487 on Jun 26, 2026
- Deepest drawdown
- -75.2% from Apr 13, 2004 to Dec 4, 2008, recovered Jun 5, 2017
- Best single session
- +22.6% on Nov 11, 2021
- Worst single session
- -55.1% on Feb 17, 2005
- Volatility, 1 year annualised
- 39.2%
- Sessions closing higher, 1 year
- 46%
- Growth of 1 since 2003
- 21.4×
- Best calendar year
- 2023, +80%
- Worst calendar year
- 2008, -40%
4323 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. 2003 starts on Feb 5, 2003; 2026 runs to Sep 28, 2026.
| Year | Open | High | Low | Close | Return | Volume | Sessions |
|---|---|---|---|---|---|---|---|
| 2026 | ¥2,482 | ¥2,686 | ¥1,487 | ¥1,887 | -23.9% | 10M | 178 |
| 2025 | ¥2,175 | ¥2,617 | ¥1,430 | ¥2,480 | +14.3% | 9.4M | 243 |
| 2024 | ¥1,421 | ¥2,215 | ¥1,279 | ¥2,170 | +51.2% | 13.6M | 245 |
| 2023 | ¥778.99 | ¥1,445 | ¥734.54 | ¥1,435 | +79.9% | 15.8M | 246 |
| 2022 | ¥593.13 | ¥822.03 | ¥463.22 | ¥797.70 | +35.5% | 31.5M | 244 |
| 2021 | ¥331.11 | ¥749.76 | ¥308.26 | ¥588.52 | +77.6% | 41.2M | 245 |
| 2020 | ¥331.53 | ¥486.26 | ¥153.12 | ¥331.33 | +0.2% | 52.6M | 242 |
| 2019 | ¥332.87 | ¥413.15 | ¥255.41 | ¥330.65 | -5.2% | 17.8M | 241 |
| 2018 | ¥289.68 | ¥560.53 | ¥258.66 | ¥348.61 | +20.3% | 32.5M | 261 |
| 2017 | ¥168.25 | ¥371.96 | ¥167.84 | ¥289.68 | +73.0% | 44.2M | 253 |
| 2016 | ¥164.52 | ¥173.39 | ¥117.35 | ¥167.43 | +1.6% | 9.4M | 245 |
| 2015 | ¥173.47 | ¥177.12 | ¥138.56 | ¥164.72 | -5.4% | 10.8M | 244 |
| 2014 | ¥138.10 | ¥225.64 | ¥117.44 | ¥174.04 | +27.7% | 47.9M | 244 |
| 2013 | ¥102.90 | ¥154.42 | ¥102.90 | ¥136.25 | +33.6% | 10.1M | 245 |
| 2012 | ¥90.51 | ¥109.88 | ¥90.51 | ¥102.00 | +12.7% | 1.4M | 248 |
| 2011 | ¥102.93 | ¥111.46 | ¥76.17 | ¥90.51 | -13.0% | 1.4M | 245 |
| 2010 | ¥121.38 | ¥122.17 | ¥88.65 | ¥104.08 | -13.2% | 2.2M | 243 |
| 2009 | ¥86.81 | ¥136.38 | ¥78.92 | ¥119.96 | +40.0% | 2M | 243 |
| 2008 | ¥142.30 | ¥142.30 | ¥68.98 | ¥85.71 | -39.8% | 1.6M | 245 |
| 2007 | ¥121.33 | ¥148.57 | ¥117.05 | ¥142.30 | +19.2% | 4.1M | 245 |
| 2006 | ¥158.52 | ¥183.61 | ¥110.16 | ¥119.35 | -24.7% | 8.6M | 260 |
| 2005 | ¥191.26 | ¥201.66 | ¥77.27 | ¥158.52 | -17.1% | 28.6M | 260 |
| 2004 | ¥172.22 | ¥283.06 | ¥158.21 | ¥191.26 | +11.1% | 6M | 262 |
| 2003 | ¥87.51 | ¥234.16 | ¥85.90 | ¥172.22 | n/a | 5M | 236 |
4323 monthly closes, last 12 months
| Month | Month end close | Change |
|---|---|---|
| September 2026 | ¥1,887 | -4.1% |
| August 2026 | ¥1,967 | +4.6% |
| July 2026 | ¥1,881 | +14.0% |
| June 2026 | ¥1,650 | -0.8% |
| May 2026 | ¥1,663 | -12.4% |
| April 2026 | ¥1,899 | -3.6% |
| March 2026 | ¥1,969 | -4.2% |
| February 2026 | ¥2,055 | -13.9% |
| January 2026 | ¥2,387 | -3.7% |
| December 2025 | ¥2,480 | +9.5% |
| November 2025 | ¥2,265 | +7.6% |
| October 2025 | ¥2,106 | -12.6% |
About the 4323 data
Daily bars. 5,863 sessions from Feb 5, 2003 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 28, 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 5, 2003, 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/4323/bars?timeframe=1Day&adjustment=all&limit=50000" \
-H "X-API-Key: YOUR_KEY"Nearby on JPX
Common questions
4323 share price history
