JPX · 3905 · stock
Datasection Inc. (3905) stock price history
Every JPX trading session of Datasection Inc. from Dec 24, 2014 to Sep 28, 2026: 2,892 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.
3905 adjusted close, 2014 to 2026
- ¥6,140
- All time high, 2026
- ¥6,140
- 52 week high, ¥1,270 low
- 2,892
- 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.
3905 key facts
- Datasection Inc. (3905) closed at ¥2,052 on Sep 28, 2026 on JPX.
- 3905's all time high close is ¥6,140, set on May 29, 2026; its all time low close is ¥238.00 on Jan 17, 2023.
- 3905's 52 week range is ¥1,270 to ¥6,140.
- 3905 returned -25.3% over the year to Sep 28, 2026 and +419.5% over five years.
- Over ten years 3905 returned +162%, +10.1% a year compounded.
- 3905's deepest drawdown was -85.3% from Jan 6, 2015 to Jan 17, 2023.
- DataCedar holds 2,892 daily sessions of 3905 history from Dec 24, 2014 and minute bars from Sep 14, 2026, adjusted for splits and dividends, served by the API under a key.
3905 price chart, 2014 to 2026
3905 returns
Price return from the last close on or before the window start to Sep 28, 2026, on adjusted closes.
| Period | Return |
|---|---|
| 1 month | +18.8% |
| 3 months | -50.9% |
| 6 months | +47.6% |
| Year to date | +2.9% |
| 1 year | -25.3% |
| 3 years | +549.4% |
| 5 years | +419.5% |
| 10 years | +162.4% |
| Since Dec 24, 2014 | +95.4% |
| Compound annual growth, 11.8 years | +5.9% |
3905 records
Measured on the stored closes; every figure is reproducible from the API series.
- All time high close
- ¥6,140 on May 29, 2026
- All time low close
- ¥238.00 on Jan 17, 2023
- 52 week high
- ¥6,140 on May 29, 2026
- 52 week low
- ¥1,270 on Mar 31, 2026
- Deepest drawdown
- -85.3% from Jan 6, 2015 to Jan 17, 2023, recovered Apr 11, 2024
- Best single session
- +28.9% on Jun 2, 2025
- Worst single session
- -22.3% on Apr 17, 2024
- Volatility, 1 year annualised
- 114.7%
- Sessions closing higher, 1 year
- 40%
- Best calendar year
- 2025, +191%
- Worst calendar year
- 2015, -49%
3905 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 24, 2014; 2026 runs to Sep 28, 2026.
| Year | Open | High | Low | Close | Return | Volume | Sessions |
|---|---|---|---|---|---|---|---|
| 2026 | ¥2,001 | ¥6,140 | ¥1,270 | ¥2,052 | +2.9% | 456.3M | 178 |
| 2025 | ¥686.00 | ¥4,320 | ¥585.00 | ¥1,995 | +190.8% | 654.8M | 243 |
| 2024 | ¥332.00 | ¥3,140 | ¥329.00 | ¥686.00 | +99.4% | 195.2M | 245 |
| 2023 | ¥244.00 | ¥437.00 | ¥237.00 | ¥344.00 | +41.6% | 30.7M | 246 |
| 2022 | ¥341.00 | ¥349.00 | ¥239.00 | ¥243.00 | -28.7% | 5M | 244 |
| 2021 | ¥448.00 | ¥517.00 | ¥323.00 | ¥341.00 | -22.7% | 14M | 245 |
| 2020 | ¥609.00 | ¥855.00 | ¥291.00 | ¥441.00 | -28.8% | 47.3M | 242 |
| 2019 | ¥590.00 | ¥759.00 | ¥505.00 | ¥619.00 | +1.6% | 26.1M | 241 |
| 2018 | ¥701.00 | ¥1,295 | ¥552.00 | ¥609.00 | -13.1% | 163.3M | 261 |
| 2017 | ¥719.00 | ¥1,011 | ¥620.00 | ¥701.00 | +0.3% | 61.6M | 253 |
| 2016 | ¥582.00 | ¥1,384 | ¥375.00 | ¥699.00 | +21.6% | 150.3M | 245 |
| 2015 | ¥1,150 | ¥1,730 | ¥476.00 | ¥575.00 | -49.4% | 102.6M | 244 |
| 2014 | ¥900.00 | ¥1,460 | ¥870.00 | ¥1,137 | n/a | 39.6M | 5 |
3905 monthly closes, last 12 months
| Month | Month end close | Change |
|---|---|---|
| September 2026 | ¥2,052 | +21.0% |
| August 2026 | ¥1,696 | -20.5% |
| July 2026 | ¥2,134 | -38.4% |
| June 2026 | ¥3,465 | -43.6% |
| May 2026 | ¥6,140 | +312.9% |
| April 2026 | ¥1,487 | +17.1% |
| March 2026 | ¥1,270 | -33.1% |
| February 2026 | ¥1,897 | +1.1% |
| January 2026 | ¥1,876 | -6.0% |
| December 2025 | ¥1,995 | -16.1% |
| November 2025 | ¥2,377 | +23.4% |
| October 2025 | ¥1,927 | -13.7% |
About the 3905 data
Daily bars. 2,892 sessions from Dec 24, 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 28, 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 24, 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/3905/bars?timeframe=1Day&adjustment=all&limit=50000" \
-H "X-API-Key: YOUR_KEY"Nearby on JPX
Common questions
3905 share price history
