JPX · 4288 · stock

Asgent, Inc. (4288) stock price history

Every JPX trading session of Asgent, Inc. from Mar 26, 2003 to Sep 28, 2026: 5,828 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.

4288 adjusted close, 2003 to 2026

4288Asgent, Inc.
¥438.00-14.5% over one year
20052010201520202025
¥4,777
All time high, 2004
¥979.00
52 week high, ¥338.00 low
5,828
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.

4288 key facts

  • Asgent, Inc. (4288) closed at ¥438.00 on Sep 28, 2026 on JPX.
  • 4288's all time high close is ¥4,777, set on Apr 12, 2004; its all time low close is ¥0.0335 on Apr 2, 2003.
  • 4288's 52 week range is ¥338.00 to ¥979.00.
  • 4288 returned -14.5% over the year to Sep 28, 2026 and -60.1% over five years.
  • Over ten years 4288 returned -12%, -1.3% a year compounded.
  • 4288's deepest drawdown was -97.3% from Apr 12, 2004 to Oct 28, 2008.
  • DataCedar holds 5,828 daily sessions of 4288 history from Mar 26, 2003 and minute bars from Sep 14, 2026, adjusted for splits and dividends, served by the API under a key.

4288 price chart, 2003 to 2026

4288 adjusted close, Mar 26, 2003 to Sep 28, 2026¥0.0341¥1.70¥84.39¥4,19620052010201520202025
Adjusted daily close, log scale. 260 sampled points across the full history; the API serves every session.

4288 returns

Price return from the last close on or before the window start to Sep 28, 2026, on adjusted closes.

PeriodReturn
1 month-5.0%
3 months+17.1%
6 months-22.8%
Year to date-35.2%
1 year-14.5%
3 years-13.6%
5 years-60.1%
10 years-12.2%
Since Mar 26, 2003+1,267,578%
Compound annual growth, 23.5 years+49.5%

4288 records

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

All time high close
¥4,777 on Apr 12, 2004
All time low close
¥0.0335 on Apr 2, 2003
52 week high
¥979.00 on Apr 27, 2026
52 week low
¥338.00 on Jun 16, 2026
Deepest drawdown
-97.3% from Apr 12, 2004 to Oct 28, 2008, not yet recovered
Best single session
+95,875% on Apr 5, 2004
Worst single session
-41.3% on Mar 15, 2011
Volatility, 1 year annualised
65.4%
Sessions closing higher, 1 year
48%
Growth of 1 since 2003
12,677×
Best calendar year
2004, +180,399%
Worst calendar year
2006, -75%

4288 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 Mar 26, 2003; 2026 runs to Sep 28, 2026.

YearOpenHighLowCloseReturnVolumeSessions
2026¥674.00¥979.00¥338.00¥438.00-35.2%14.8M178
2025¥599.00¥1,336¥369.00¥676.00+32.8%27.6M243
2024¥385.00¥1,100¥367.00¥509.00+32.2%38.6M245
2023¥628.00¥709.00¥358.00¥385.00-38.6%1.4M246
2022¥776.00¥983.00¥625.00¥627.00-18.1%1.5M244
2021¥1,047¥1,335¥641.00¥766.00-26.1%1.4M245
2020¥2,397¥2,518¥826.11¥1,036-57.0%5.2M242
2019¥1,713¥2,568¥1,640¥2,409+35.7%4.1M241
2018¥2,601¥2,836¥1,190¥1,774-31.8%10.2M261
2017¥723.13¥4,651¥699.43¥2,601+263.2%133.1M253
2016¥523.58¥901.94¥332.92¥716.22+36.8%16.4M245
2015¥511.71¥1,299¥484.07¥523.58+3.1%36.8M244
2014¥494.81¥1,152¥401.91¥507.78+4.7%21.5M244
2013¥419.60¥1,067¥384.51¥485.11+18.7%10.9M245
2012¥461.51¥518.61¥326.84¥408.54-11.2%1.7M248
2011¥1,516¥1,595¥417.74¥460.08-69.4%18.1M245
2010¥559.95¥1,832¥468.03¥1,502+171.5%52.4M243
2009¥163.20¥599.34¥136.47¥553.38+242.0%2.1M243
2008¥351.73¥362.98¥129.44¥161.79-51.4%508.8K245
2007¥493.35¥1,332¥285.60¥332.97-31.9%9.6M245
2006¥1,979¥2,289¥469.91¥488.67-75.3%3.2M260
2005¥1,276¥2,889¥1,276¥1,979+55.1%6.1M260
2004¥0.7067¥4,796¥0.6474¥1,276+180,399%7.5M262
2003¥0.0346¥1.39¥0.0330¥0.7067n/a5.9M201

4288 monthly closes, last 12 months

MonthMonth end closeChange
September 2026¥438.00-3.7%
August 2026¥455.00+10.7%
July 2026¥411.00+0.7%
June 2026¥408.00-5.6%
May 2026¥432.00-38.3%
April 2026¥700.00+30.6%
March 2026¥536.00-16.9%
February 2026¥645.00+4.0%
January 2026¥620.00-8.3%
December 2025¥676.00-4.4%
November 2025¥707.00+32.9%
October 2025¥532.00+4.3%

About the 4288 data

Daily bars. 5,828 sessions from Mar 26, 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 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 Mar 26, 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/4288/bars?timeframe=1Day&adjustment=all&limit=50000" \
  -H "X-API-Key: YOUR_KEY"

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Common questions

4288 share price history

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