JPX · 3921 · stock

NEOJAPAN Inc. (3921) stock price history

Every JPX trading session of NEOJAPAN Inc. from Nov 30, 2015 to Nov 12, 2026: 2,691 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.

3921 adjusted close, 2015 to 2026

3921NEOJAPAN Inc.
¥1,735-3.4% over one year
20182020202220242026
¥2,662
All time high, 2020
¥1,873
52 week high, ¥1,414 low
2,691
Daily sessions since 2015

Last updated Nov 12, 2026, the last stored session. Refreshes after each trading day. Full 2015 to 2026 series and minute bars.

3921 key facts

  • NEOJAPAN Inc. (3921) closed at ¥1,735 on Nov 12, 2026 on JPX.
  • 3921's all time high close is ¥2,662, set on Sep 2, 2020; its all time low close is ¥290.62 on Feb 12, 2016.
  • 3921's 52 week range is ¥1,414 to ¥1,873.
  • 3921 returned -3.4% over the year to Nov 12, 2026 and +47.5% over five years.
  • Over ten years 3921 returned +370%, +16.7% a year compounded.
  • 3921's deepest drawdown was -74.9% from Nov 30, 2015 to Feb 12, 2016.
  • DataCedar holds 2,691 daily sessions of 3921 history from Nov 30, 2015 and minute bars from Sep 14, 2026, adjusted for splits and dividends, served by the API under a key.

3921 price chart, 2015 to 2026

3921 adjusted close, Nov 30, 2015 to Nov 12, 2026¥311.06¥1,095¥1,879¥2,662201620182020202220242026
Adjusted daily close. 260 sampled points across the full history; the API serves every session.

3921 returns

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

PeriodReturn
1 month+7.5%
3 months+8.6%
6 months+10.2%
Year to date-1.1%
1 year-3.4%
3 years+88.7%
5 years+47.5%
10 years+370.0%
Since Nov 30, 2015+49.7%
Compound annual growth, 11.0 years+3.8%

3921 records

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

All time high close
¥2,662 on Sep 2, 2020
All time low close
¥290.62 on Feb 12, 2016
52 week high
¥1,873 on Dec 9, 2025
52 week low
¥1,414 on Jun 12, 2026
Deepest drawdown
-74.9% from Nov 30, 2015 to Feb 12, 2016, recovered Dec 29, 2017
Best single session
+25.0% on Oct 24, 2017
Worst single session
-22.7% on Dec 1, 2015
Volatility, 1 year annualised
24.5%
Sessions closing higher, 1 year
51%
Best calendar year
2017, +182%
Worst calendar year
2018, -48%

3921 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. 2015 starts on Nov 30, 2015; 2026 runs to Nov 12, 2026.

YearOpenHighLowCloseReturnVolumeSessions
2026¥1,760¥1,856¥1,414¥1,735-1.1%5.4M204
2025¥1,660¥2,049¥1,186¥1,755+6.4%9.1M243
2024¥926.07¥2,045¥912.38¥1,650+77.3%14.1M245
2023¥892.44¥1,069¥734.47¥930.63+4.6%8M246
2022¥1,283¥1,287¥825.37¥889.75-30.2%13M244
2021¥1,799¥1,896¥1,052¥1,275-27.4%19.5M245
2020¥948.06¥2,715¥716.13¥1,757+85.8%29.5M242
2019¥616.20¥1,003¥606.66¥945.44+53.0%11M241
2018¥1,185¥1,933¥540.80¥617.93-47.8%24.7M261
2017¥440.99¥1,185¥375.85¥1,185+182.0%17.9M253
2016¥617.29¥625.15¥290.62¥420.13-33.2%25.7M245
2015¥1,040¥1,178¥586.57¥628.72n/a60.8M22

3921 monthly closes, last 12 months

MonthMonth end closeChange
November 2026¥1,735+8.0%
October 2026¥1,606-0.4%
September 2026¥1,613-2.9%
August 2026¥1,662+1.3%
July 2026¥1,640+6.8%
June 2026¥1,535+0.1%
May 2026¥1,534+1.3%
April 2026¥1,515-2.5%
March 2026¥1,553-12.5%
February 2026¥1,775+1.3%
January 2026¥1,752-0.2%
December 2025¥1,755+1.7%

About the 3921 data

Daily bars. 2,691 sessions from Nov 30, 2015 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 Nov 11, 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 Nov 30, 2015, 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%3A3921/bars?timeframe=1Day&adjustment=all&limit=50000" \
  -H "X-API-Key: YOUR_KEY"

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Common questions

3921 share price history

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