JPX · 6391 · stock
Kaji Technology Corporation (6391) stock price history
Every JPX trading session of Kaji Technology Corporation from Apr 4, 2000 to Sep 28, 2026: 6,604 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.
6391 adjusted close, 2000 to 2026
- ¥7,802
- All time high, 2021
- ¥5,250
- 52 week high, ¥3,207 low
- 6,604
- Daily sessions since 2000
Last updated Sep 28, 2026, the last stored session. Refreshes after each trading day. Full 2000 to 2026 series and minute bars.
6391 key facts
- Kaji Technology Corporation (6391) closed at ¥4,940 on Sep 28, 2026 on JPX.
- 6391's all time high close is ¥7,802, set on Mar 1, 2021; its all time low close is ¥577.56 on Nov 19, 2002.
- 6391's 52 week range is ¥3,207 to ¥5,250.
- 6391 returned +45.7% over the year to Sep 28, 2026 and +8.1% over five years.
- Over ten years 6391 returned +113%, +7.9% a year compounded.
- 6391's deepest drawdown was -74.4% from Mar 4, 2005 to Mar 16, 2011.
- DataCedar holds 6,604 daily sessions of 6391 history from Apr 4, 2000 and minute bars from Sep 14, 2026, adjusted for splits and dividends, served by the API under a key.
6391 price chart, 2000 to 2026
6391 returns
Price return from the last close on or before the window start to Sep 28, 2026, on adjusted closes.
| Period | Return |
|---|---|
| 1 month | +0.8% |
| 3 months | +18.2% |
| 6 months | +9.8% |
| Year to date | +43.4% |
| 1 year | +45.7% |
| 3 years | +11.2% |
| 5 years | +8.1% |
| 10 years | +112.9% |
| Since Apr 4, 2000 | +307.4% |
| Compound annual growth, 26.5 years | +5.4% |
6391 records
Measured on the stored closes; every figure is reproducible from the API series.
- All time high close
- ¥7,802 on Mar 1, 2021
- All time low close
- ¥577.56 on Nov 19, 2002
- 52 week high
- ¥5,250 on Mar 12, 2026
- 52 week low
- ¥3,207 on Oct 14, 2025
- Deepest drawdown
- -74.4% from Mar 4, 2005 to Mar 16, 2011, recovered Jun 27, 2014
- Best single session
- +30.5% on Mar 21, 2013
- Worst single session
- -17.1% on Aug 5, 2024
- Volatility, 1 year annualised
- 42.9%
- Sessions closing higher, 1 year
- 47%
- Growth of 1 since 2000
- 4.1×
- Best calendar year
- 2004, +110%
- Worst calendar year
- 2016, -29%
6391 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. 2000 starts on Apr 4, 2000; 2026 runs to Sep 28, 2026.
| Year | Open | High | Low | Close | Return | Volume | Sessions |
|---|---|---|---|---|---|---|---|
| 2026 | ¥3,454 | ¥5,250 | ¥3,444 | ¥4,940 | +43.4% | 1.2M | 178 |
| 2025 | ¥3,439 | ¥3,776 | ¥2,635 | ¥3,444 | +1.3% | 659.3K | 243 |
| 2024 | ¥3,930 | ¥6,060 | ¥3,034 | ¥3,400 | -13.5% | 1.5M | 245 |
| 2023 | ¥3,052 | ¥5,905 | ¥3,052 | ¥3,930 | +28.2% | 1.4M | 246 |
| 2022 | ¥3,725 | ¥5,668 | ¥3,048 | ¥3,067 | -16.2% | 1.3M | 244 |
| 2021 | ¥3,981 | ¥8,857 | ¥3,436 | ¥3,659 | -6.5% | 10.8M | 245 |
| 2020 | ¥2,431 | ¥4,589 | ¥1,432 | ¥3,915 | +59.9% | 1.5M | 242 |
| 2019 | ¥2,325 | ¥2,579 | ¥2,221 | ¥2,448 | +5.3% | 209.2K | 241 |
| 2018 | ¥2,505 | ¥2,964 | ¥1,923 | ¥2,325 | -7.2% | 548.4K | 261 |
| 2017 | ¥2,355 | ¥3,085 | ¥2,346 | ¥2,505 | +7.2% | 1.5M | 253 |
| 2016 | ¥3,326 | ¥3,510 | ¥2,077 | ¥2,337 | -29.0% | 547.4K | 245 |
| 2015 | ¥3,533 | ¥4,733 | ¥2,625 | ¥3,291 | -4.5% | 1.5M | 244 |
| 2014 | ¥2,705 | ¥5,006 | ¥2,139 | ¥3,448 | +27.4% | 9.4M | 244 |
| 2013 | ¥1,363 | ¥3,618 | ¥1,346 | ¥2,705 | +99.7% | 1.2M | 245 |
| 2012 | ¥1,393 | ¥1,691 | ¥1,172 | ¥1,355 | -2.8% | 150.5K | 248 |
| 2011 | ¥1,257 | ¥1,667 | ¥892.32 | ¥1,393 | +10.8% | 308.6K | 245 |
| 2010 | ¥1,288 | ¥1,622 | ¥1,117 | ¥1,257 | -4.7% | 171.3K | 243 |
| 2009 | ¥1,668 | ¥1,893 | ¥1,164 | ¥1,319 | -18.3% | 279.2K | 243 |
| 2008 | ¥1,766 | ¥2,522 | ¥977.67 | ¥1,614 | -9.0% | 420.4K | 245 |
| 2007 | ¥2,128 | ¥2,694 | ¥1,736 | ¥1,773 | -15.2% | 482.5K | 245 |
| 2006 | ¥2,860 | ¥3,584 | ¥1,855 | ¥2,091 | -26.9% | 862.7K | 260 |
| 2005 | ¥1,981 | ¥3,991 | ¥1,981 | ¥2,860 | +44.4% | 1.9M | 260 |
| 2004 | ¥943.97 | ¥2,350 | ¥943.97 | ¥1,981 | +109.8% | 594.8K | 262 |
| 2003 | ¥655.04 | ¥1,401 | ¥633.91 | ¥943.97 | +44.1% | 249.6K | 261 |
| 2002 | ¥804.77 | ¥915.65 | ¥577.56 | ¥655.04 | -18.6% | 118.4K | 261 |
| 2001 | ¥889.16 | ¥1,238 | ¥708.47 | ¥804.77 | -9.5% | 104.6K | 261 |
| 2000 | ¥1,246 | ¥1,347 | ¥875.69 | ¥889.16 | n/a | 82K | 194 |
6391 monthly closes, last 12 months
| Month | Month end close | Change |
|---|---|---|
| September 2026 | ¥4,940 | +0.5% |
| August 2026 | ¥4,915 | +10.8% |
| July 2026 | ¥4,435 | +2.8% |
| June 2026 | ¥4,315 | +1.1% |
| May 2026 | ¥4,270 | -15.4% |
| April 2026 | ¥5,050 | +3.7% |
| March 2026 | ¥4,870 | +29.9% |
| February 2026 | ¥3,750 | +8.4% |
| January 2026 | ¥3,459 | +0.4% |
| December 2025 | ¥3,444 | +1.9% |
| November 2025 | ¥3,380 | -8.5% |
| October 2025 | ¥3,696 | +9.3% |
About the 6391 data
Daily bars. 6,604 sessions from Apr 4, 2000 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 Apr 4, 2000, 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/6391/bars?timeframe=1Day&adjustment=all&limit=50000" \
-H "X-API-Key: YOUR_KEY"Nearby on JPX
Common questions
6391 share price history
