JPX · 3904 · stock

KAYAC Inc. (3904) stock price history

Every JPX trading session of KAYAC Inc. from Dec 26, 2014 to Sep 28, 2026: 2,890 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.

3904 adjusted close, 2014 to 2026

3904KAYAC Inc.
¥423.00-10.3% over one year
201620182020202220242026
¥1,643
All time high, 2017
¥601.39
52 week high, ¥374.00 low
2,890
Daily sessions since 2014

Last updated Sep 28, 2026, the last stored session. Refreshes after each trading day. Full 2014 to 2026 series and minute bars.

3904 key facts

  • KAYAC Inc. (3904) closed at ¥423.00 on Sep 28, 2026 on JPX.
  • 3904's all time high close is ¥1,643, set on Jul 25, 2017; its all time low close is ¥332.36 on Mar 18, 2020.
  • 3904's 52 week range is ¥374.00 to ¥601.39.
  • 3904 returned -10.3% over the year to Sep 28, 2026 and -41.7% over five years.
  • Over ten years 3904 returned -71%, -11.6% a year compounded.
  • 3904's deepest drawdown was -79.8% from Jul 25, 2017 to Mar 18, 2020.
  • DataCedar holds 2,890 daily sessions of 3904 history from Dec 26, 2014 and minute bars from Sep 14, 2026, adjusted for splits and dividends, served by the API under a key.

3904 price chart, 2014 to 2026

3904 adjusted close, Dec 26, 2014 to Sep 28, 2026¥342.96¥755.68¥1,168¥1,5812014201620182020202220242026
Adjusted daily close. 260 sampled points across the full history; the API serves every session.

3904 returns

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

PeriodReturn
1 month-1.6%
3 months+9.0%
6 months-1.2%
Year to date-15.7%
1 year-10.3%
3 years-43.5%
5 years-41.7%
10 years-70.9%
Since Dec 26, 2014-54.7%
Compound annual growth, 11.8 years-6.5%

3904 records

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

All time high close
¥1,643 on Jul 25, 2017
All time low close
¥332.36 on Mar 18, 2020
52 week high
¥601.39 on Dec 2, 2025
52 week low
¥374.00 on Jun 11, 2026
Deepest drawdown
-79.8% from Jul 25, 2017 to Mar 18, 2020, not yet recovered
Best single session
+24.2% on Feb 13, 2015
Worst single session
-19.3% on Aug 24, 2015
Volatility, 1 year annualised
36.5%
Sessions closing higher, 1 year
47%
Best calendar year
2016, +44%
Worst calendar year
2018, -55%

3904 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. 2014 starts on Dec 26, 2014; 2026 runs to Sep 28, 2026.

YearOpenHighLowCloseReturnVolumeSessions
2026¥502.00¥598.00¥374.00¥423.00-15.7%4.6M178
2025¥452.53¥601.39¥329.48¥502.00+11.4%8.9M243
2024¥674.90¥850.02¥441.62¥450.55-33.3%12.2M245
2023¥831.40¥1,349¥603.50¥675.88-20.1%40.6M246
2022¥657.28¥1,593¥598.85¥846.07+29.5%40.2M244
2021¥816.04¥914.78¥634.05¥653.38-19.7%12.7M245
2020¥570.32¥1,029¥303.46¥814.10+40.6%30.5M242
2019¥592.47¥873.78¥520.22¥578.99-5.4%9.5M241
2018¥1,344¥1,387¥578.02¥611.74-54.5%18.3M261
2017¥1,009¥1,674¥972.99¥1,344+33.6%44.3M253
2016¥699.10¥1,661¥488.89¥1,007+44.3%73.3M245
2015¥747.46¥1,724¥608.12¥697.66-6.6%94.7M244
2014¥863.34¥948.09¥735.49¥746.98n/a14M3

3904 monthly closes, last 12 months

MonthMonth end closeChange
September 2026¥423.00-0.5%
August 2026¥425.00+2.9%
July 2026¥413.00+5.4%
June 2026¥392.00-3.0%
May 2026¥404.00-4.5%
April 2026¥423.00+2.4%
March 2026¥413.00-12.1%
February 2026¥470.00-11.2%
January 2026¥529.00+5.4%
December 2025¥502.00-12.5%
November 2025¥573.61+31.7%
October 2025¥435.66-5.2%

About the 3904 data

Daily bars. 2,890 sessions from Dec 26, 2014 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 Dec 26, 2014, 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/3904/bars?timeframe=1Day&adjustment=all&limit=50000" \
  -H "X-API-Key: YOUR_KEY"

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Common questions

3904 share price history

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