JPX · 4308 · stock

J-Stream Inc. (4308) stock price history

Every JPX trading session of J-Stream Inc. from Sep 21, 2001 to Nov 12, 2026: 6,230 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.

4308 adjusted close, 2001 to 2026

4308J-Stream Inc.
¥343.00+2.4% over one year
20052010201520202025
¥2,785
All time high, 2021
¥403.48
52 week high, ¥322.59 low
6,230
Daily sessions since 2001

Last updated Nov 12, 2026, the last stored session. Refreshes after each trading day. Full 2001 to 2026 series and minute bars.

4308 key facts

  • J-Stream Inc. (4308) closed at ¥343.00 on Nov 12, 2026 on JPX.
  • 4308's all time high close is ¥2,785, set on Jan 25, 2021; its all time low close is ¥68.36 on Nov 19, 2009.
  • 4308's 52 week range is ¥322.59 to ¥403.48.
  • 4308 returned +2.4% over the year to Nov 12, 2026 and -56.1% over five years.
  • Over ten years 4308 returned +102%, +7.3% a year compounded.
  • 4308's deepest drawdown was -97.5% from Jan 14, 2002 to Nov 19, 2009.
  • DataCedar holds 6,230 daily sessions of 4308 history from Sep 21, 2001 and minute bars from Sep 14, 2026, adjusted for splits and dividends, served by the API under a key.

4308 price chart, 2001 to 2026

4308 adjusted close, Sep 21, 2001 to Nov 12, 2026¥73.50¥237.47¥767.20¥2,47920052010201520202025
Adjusted daily close, log scale. 260 sampled points across the full history; the API serves every session.

4308 returns

Price return from the last close on or before the window start to Nov 12, 2026, on adjusted closes.

PeriodReturn
1 month-3.1%
3 months-3.4%
6 months-2.6%
Year to date-5.0%
1 year+2.4%
3 years-4.3%
5 years-56.1%
10 years+101.7%
Since Sep 21, 2001+88.5%
Compound annual growth, 25.1 years+2.6%

4308 records

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

All time high close
¥2,785 on Jan 25, 2021
All time low close
¥68.36 on Nov 19, 2009
52 week high
¥403.48 on Feb 26, 2026
52 week low
¥322.59 on Nov 19, 2025
Deepest drawdown
-97.5% from Jan 14, 2002 to Nov 19, 2009, recovered Jan 25, 2021
Best single session
+39.1% on Apr 24, 2018
Worst single session
-28.6% on Nov 19, 2001
Volatility, 1 year annualised
21.4%
Sessions closing higher, 1 year
38%
Best calendar year
2020, +630%
Worst calendar year
2002, -77%

4308 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. 2001 starts on Sep 21, 2001; 2026 runs to Nov 12, 2026.

YearOpenHighLowCloseReturnVolumeSessions
2026¥364.00¥403.48¥333.00¥343.00-5.0%6.8M205
2025¥324.07¥415.04¥317.55¥361.11+12.4%12.8M243
2024¥337.10¥377.15¥257.02¥321.28-4.7%8.4M245
2023¥490.78¥552.56¥312.96¥337.10-30.8%14.1M246
2022¥640.39¥790.99¥451.62¥487.30-23.2%35.7M243
2021¥2,330¥2,908¥592.64¥634.43-72.1%88.1M245
2020¥306.85¥2,908¥269.66¥2,275+630.2%278.7M242
2019¥163.18¥318.27¥158.58¥311.50+82.5%78.8M241
2018¥206.72¥326.36¥131.80¥170.71-17.4%57.2M257
2017¥289.61¥320.61¥194.78¥206.72-27.7%93.2M252
2016¥126.04¥343.05¥94.23¥285.94+127.6%164.1M245
2015¥166.42¥250.86¥110.54¥125.63-24.1%35M243
2014¥219.45¥249.64¥127.27¥165.61-20.1%21.4M244
2013¥126.45¥367.11¥126.25¥207.22+65.5%18.1M245
2012¥94.27¥166.02¥87.33¥125.23+32.8%3.1M247
2011¥130.33¥158.47¥85.66¥94.27-26.5%1.7M244
2010¥77.91¥228.43¥71.38¥128.29+53.4%5M243
2009¥117.19¥152.76¥65.92¥83.62-28.0%2.1M240
2008¥242.70¥269.22¥78.32¥116.13-53.3%2.3M241
2007¥660.80¥738.31¥167.65¥248.82-62.3%6.3M245
2006¥1,407¥1,628¥571.07¥660.80-53.0%18.5M260
2005¥754.62¥1,811¥734.23¥1,407+86.5%95.6M260
2004¥595.54¥1,065¥497.64¥754.62+26.7%20M261
2003¥469.09¥1,097¥399.75¥595.54+27.0%9.7M260
2002¥2,015¥3,031¥330.40¥469.09-76.7%9.4M261
2001¥183.56¥2,896¥155.00¥2,015n/a8M72

4308 monthly closes, last 12 months

MonthMonth end closeChange
November 2026¥343.00-2.6%
October 2026¥352.00-1.7%
September 2026¥358.00-0.6%
August 2026¥360.00+1.1%
July 2026¥356.000.0%
June 2026¥356.00+0.3%
May 2026¥355.00-4.8%
April 2026¥373.00+5.4%
March 2026¥354.00-9.5%
February 2026¥390.96+12.5%
January 2026¥347.63-3.7%
December 2025¥361.11+8.1%

About the 4308 data

Daily bars. 6,230 sessions from Sep 21, 2001 to Nov 12, 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 Oct 23, 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 Sep 21, 2001, 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%3A4308/bars?timeframe=1Day&adjustment=all&limit=50000" \
  -H "X-API-Key: YOUR_KEY"

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Common questions

4308 share price history

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