JPX · 6387 · stock
SAMCO Inc. (6387) stock price history
Every JPX trading session of SAMCO Inc. from May 30, 2001 to Nov 12, 2026: 6,309 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.
6387 adjusted close, 2001 to 2026
- ¥16,060
- All time high, 2026
- ¥16,763
- 52 week high, ¥3,673 low
- 6,309
- Daily sessions since 2001
Last updated Nov 12, 2026, the last stored session. Refreshes after each trading day. Full 2001 to 2026 series and minute bars.
6387 key facts
- SAMCO Inc. (6387) closed at ¥6,720 on Nov 12, 2026 on JPX.
- 6387's all time high close is ¥16,060, set on Jun 16, 2026; its all time low close is ¥203.87 on Mar 3, 2009.
- 6387's 52 week range is ¥3,673 to ¥16,763.
- 6387 returned +68.2% over the year to Nov 12, 2026 and +146.6% over five years.
- Over ten years 6387 returned +747%, +23.8% a year compounded.
- 6387's deepest drawdown was -91.0% from May 30, 2001 to Mar 3, 2009.
- DataCedar holds 6,309 daily sessions of 6387 history from May 30, 2001 and minute bars from Sep 14, 2026, adjusted for splits and dividends, served by the API under a key.
6387 price chart, 2001 to 2026
6387 returns
Price return from the last close on or before the window start to Nov 12, 2026, on adjusted closes.
| Period | Return |
|---|---|
| 1 month | -30.9% |
| 3 months | -27.0% |
| 6 months | -46.5% |
| Year to date | +47.7% |
| 1 year | +68.2% |
| 3 years | +60.6% |
| 5 years | +146.6% |
| 10 years | +746.8% |
| Since May 30, 2001 | +196.8% |
| Compound annual growth, 25.5 years | +4.4% |
6387 records
Measured on the stored closes; every figure is reproducible from the API series.
- All time high close
- ¥16,060 on Jun 16, 2026
- All time low close
- ¥203.87 on Mar 3, 2009
- 52 week high
- ¥16,763 on Jun 16, 2026
- 52 week low
- ¥3,673 on Nov 21, 2025
- Deepest drawdown
- -91.0% from May 30, 2001 to Mar 3, 2009, recovered Jul 7, 2020
- Best single session
- +28.2% on Jun 27, 2001
- Worst single session
- -39.4% on Mar 15, 2011
- Volatility, 1 year annualised
- 85.9%
- Sessions closing higher, 1 year
- 50%
- Growth of 1 since 2001
- 3.0×
- Best calendar year
- 2009, +432%
- Worst calendar year
- 2008, -65%
6387 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. 2001 starts on May 30, 2001; 2026 runs to Nov 12, 2026.
| Year | Open | High | Low | Close | Return | Volume | Sessions |
|---|---|---|---|---|---|---|---|
| 2026 | ¥4,619 | ¥16,763 | ¥4,352 | ¥6,720 | +47.7% | 28.2M | 205 |
| 2025 | ¥3,098 | ¥4,941 | ¥1,891 | ¥4,550 | +47.8% | 13.8M | 243 |
| 2024 | ¥3,891 | ¥5,739 | ¥2,493 | ¥3,079 | -23.4% | 15.7M | 245 |
| 2023 | ¥3,230 | ¥6,593 | ¥3,045 | ¥4,021 | +22.1% | 22.6M | 246 |
| 2022 | ¥2,645 | ¥3,944 | ¥1,888 | ¥3,292 | +25.1% | 11.3M | 244 |
| 2021 | ¥3,526 | ¥3,963 | ¥2,393 | ¥2,632 | -24.9% | 17.3M | 245 |
| 2020 | ¥1,817 | ¥3,577 | ¥1,070 | ¥3,502 | +85.5% | 32.8M | 242 |
| 2019 | ¥759.23 | ¥2,020 | ¥670.76 | ¥1,888 | +141.5% | 13.7M | 241 |
| 2018 | ¥1,258 | ¥1,343 | ¥672.56 | ¥781.80 | -37.9% | 9.3M | 261 |
| 2017 | ¥933.52 | ¥1,318 | ¥759.41 | ¥1,258 | +37.8% | 6.7M | 253 |
| 2016 | ¥851.04 | ¥915.14 | ¥619.48 | ¥913.39 | +8.1% | 3.5M | 245 |
| 2015 | ¥951.05 | ¥1,076 | ¥704.07 | ¥845.06 | -10.4% | 3.5M | 242 |
| 2014 | ¥815.31 | ¥1,262 | ¥791.98 | ¥943.48 | +16.9% | 4.2M | 244 |
| 2013 | ¥598.04 | ¥818.62 | ¥535.55 | ¥807.04 | +40.7% | 2.7M | 245 |
| 2012 | ¥497.38 | ¥627.69 | ¥365.15 | ¥573.69 | +16.3% | 2M | 245 |
| 2011 | ¥799.05 | ¥1,205 | ¥430.66 | ¥493.41 | -36.0% | 4.4M | 243 |
| 2010 | ¥1,480 | ¥1,587 | ¥498.83 | ¥771.52 | -47.4% | 4.5M | 243 |
| 2009 | ¥282.44 | ¥1,613 | ¥203.22 | ¥1,467 | +431.8% | 2.6M | 243 |
| 2008 | ¥779.13 | ¥940.15 | ¥240.23 | ¥275.94 | -65.2% | 1M | 245 |
| 2007 | ¥848.53 | ¥1,190 | ¥649.28 | ¥792.12 | -6.6% | 1.6M | 245 |
| 2006 | ¥1,864 | ¥1,928 | ¥642.83 | ¥848.53 | -54.5% | 2.9M | 258 |
| 2005 | ¥1,260 | ¥1,896 | ¥1,065 | ¥1,864 | +48.0% | 1.9M | 260 |
| 2004 | ¥1,246 | ¥1,821 | ¥1,202 | ¥1,260 | +1.1% | 2.4M | 261 |
| 2003 | ¥1,434 | ¥1,578 | ¥1,079 | ¥1,246 | -13.1% | 2.6M | 261 |
| 2002 | ¥1,173 | ¥2,018 | ¥1,009 | ¥1,434 | +22.3% | 3.6M | 256 |
| 2001 | ¥2,258 | ¥2,409 | ¥737.99 | ¥1,173 | n/a | 6.2M | 148 |
6387 monthly closes, last 12 months
| Month | Month end close | Change |
|---|---|---|
| November 2026 | ¥6,720 | -5.6% |
| October 2026 | ¥7,120 | -20.2% |
| September 2026 | ¥8,920 | +1.4% |
| August 2026 | ¥8,800 | +3.3% |
| July 2026 | ¥8,520 | -37.9% |
| June 2026 | ¥13,723 | +37.5% |
| May 2026 | ¥9,981 | -12.8% |
| April 2026 | ¥11,446 | +41.8% |
| March 2026 | ¥8,070 | +29.2% |
| February 2026 | ¥6,248 | +32.4% |
| January 2026 | ¥4,718 | +3.7% |
| December 2025 | ¥4,550 | +19.2% |
About the 6387 data
Daily bars. 6,309 sessions from May 30, 2001 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 Oct 23, 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 May 30, 2001, 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%3A6387/bars?timeframe=1Day&adjustment=all&limit=50000" \
-H "X-API-Key: YOUR_KEY"Nearby on JPX
Common questions
6387 share price history
