JPX · 3921 · stock
NEOJAPAN Inc. (3921) stock price history
Every JPX trading session of NEOJAPAN Inc. from Nov 30, 2015 to Sep 29, 2026: 2,666 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
- ¥2,662
- All time high, 2020
- ¥1,918
- 52 week high, ¥1,414 low
- 2,666
- Daily sessions since 2015
Last updated Sep 29, 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 ¥1,630 on Sep 29, 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 ¥1,918.
- 3921 returned -13.7% over the year to Sep 29, 2026 and +9.0% over five years.
- Over ten years 3921 returned +357%, +16.4% a year compounded.
- 3921's deepest drawdown was -74.9% from Nov 30, 2015 to Feb 12, 2016.
- DataCedar holds 2,666 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 returns
Price return from the last close on or before the window start to Sep 29, 2026, on adjusted closes.
| Period | Return |
|---|---|
| 1 month | -2.9% |
| 3 months | +5.8% |
| 6 months | +1.9% |
| Year to date | -7.1% |
| 1 year | -13.7% |
| 3 years | +75.5% |
| 5 years | +9.0% |
| 10 years | +357.3% |
| Since Nov 30, 2015 | +40.7% |
| Compound annual growth, 10.8 years | +3.2% |
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
- ¥1,918 on Sep 29, 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
- 24.8%
- 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 Sep 29, 2026.
| Year | Open | High | Low | Close | Return | Volume | Sessions |
|---|---|---|---|---|---|---|---|
| 2026 | ¥1,760 | ¥1,856 | ¥1,414 | ¥1,630 | -7.1% | 4.9M | 179 |
| 2025 | ¥1,660 | ¥2,049 | ¥1,186 | ¥1,755 | +6.4% | 9.1M | 243 |
| 2024 | ¥926.07 | ¥2,045 | ¥912.38 | ¥1,650 | +77.3% | 14.1M | 245 |
| 2023 | ¥892.44 | ¥1,069 | ¥734.47 | ¥930.63 | +4.6% | 8M | 246 |
| 2022 | ¥1,283 | ¥1,287 | ¥825.37 | ¥889.75 | -30.2% | 13M | 244 |
| 2021 | ¥1,799 | ¥1,896 | ¥1,052 | ¥1,275 | -27.4% | 19.5M | 245 |
| 2020 | ¥948.06 | ¥2,715 | ¥716.13 | ¥1,757 | +85.8% | 29.5M | 242 |
| 2019 | ¥616.20 | ¥1,003 | ¥606.66 | ¥945.44 | +53.0% | 11M | 241 |
| 2018 | ¥1,185 | ¥1,933 | ¥540.80 | ¥617.93 | -47.8% | 24.7M | 261 |
| 2017 | ¥440.99 | ¥1,185 | ¥375.85 | ¥1,185 | +182.0% | 17.9M | 253 |
| 2016 | ¥617.29 | ¥625.15 | ¥290.62 | ¥420.13 | -33.2% | 25.7M | 245 |
| 2015 | ¥1,040 | ¥1,178 | ¥586.57 | ¥628.72 | n/a | 60.8M | 22 |
3921 monthly closes, last 12 months
| Month | Month end close | Change |
|---|---|---|
| September 2026 | ¥1,630 | -1.9% |
| 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% |
| November 2025 | ¥1,725 | -2.2% |
| October 2025 | ¥1,765 | -5.3% |
About the 3921 data
Daily bars. 2,666 sessions from Nov 30, 2015 to Sep 29, 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 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/3921/bars?timeframe=1Day&adjustment=all&limit=50000" \
-H "X-API-Key: YOUR_KEY"Nearby on JPX
Common questions
3921 share price history
