JPX · 6666 · stock
River Eletec Corporation (6666) stock price history
Every JPX trading session of River Eletec Corporation from Aug 27, 2004 to Sep 28, 2026: 5,456 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.
6666 adjusted close, 2004 to 2026
- ¥1,643
- All time high, 2020
- ¥1,474
- 52 week high, ¥355.59 low
- 5,456
- Daily sessions since 2004
Last updated Sep 28, 2026, the last stored session. Refreshes after each trading day. Full 2004 to 2026 series and minute bars.
6666 key facts
- River Eletec Corporation (6666) closed at ¥814.00 on Sep 28, 2026 on JPX.
- 6666's all time high close is ¥1,643, set on Nov 18, 2020; its all time low close is ¥115.90 on Feb 26, 2009.
- 6666's 52 week range is ¥355.59 to ¥1,474.
- 6666 returned +75.1% over the year to Sep 28, 2026 and -34.8% over five years.
- Over ten years 6666 returned +162%, +10.1% a year compounded.
- 6666's deepest drawdown was -91.3% from Oct 10, 2007 to Feb 26, 2009.
- DataCedar holds 5,456 daily sessions of 6666 history from Aug 27, 2004 and minute bars from Sep 14, 2026, adjusted for splits and dividends, served by the API under a key.
6666 price chart, 2004 to 2026
6666 returns
Price return from the last close on or before the window start to Sep 28, 2026, on adjusted closes.
| Period | Return |
|---|---|
| 1 month | +0.7% |
| 3 months | -16.1% |
| 6 months | +10.1% |
| Year to date | +84.6% |
| 1 year | +75.1% |
| 3 years | +56.2% |
| 5 years | -34.8% |
| 10 years | +162.0% |
| Since Aug 27, 2004 | -23.2% |
| Compound annual growth, 22.1 years | -1.2% |
6666 records
Measured on the stored closes; every figure is reproducible from the API series.
- All time high close
- ¥1,643 on Nov 18, 2020
- All time low close
- ¥115.90 on Feb 26, 2009
- 52 week high
- ¥1,474 on May 27, 2026
- 52 week low
- ¥355.59 on Nov 19, 2025
- Deepest drawdown
- -91.3% from Oct 10, 2007 to Feb 26, 2009, recovered Nov 5, 2020
- Best single session
- +36.0% on Sep 6, 2013
- Worst single session
- -34.7% on Mar 15, 2011
- Volatility, 1 year annualised
- 93.0%
- Sessions closing higher, 1 year
- 48%
- Best calendar year
- 2013, +274%
- Worst calendar year
- 2008, -84%
6666 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. 2004 starts on Aug 27, 2004; 2026 runs to Sep 28, 2026.
| Year | Open | High | Low | Close | Return | Volume | Sessions |
|---|---|---|---|---|---|---|---|
| 2026 | ¥452.94 | ¥1,474 | ¥433.07 | ¥814.00 | +84.6% | 49.4M | 178 |
| 2025 | ¥414.34 | ¥594.58 | ¥292.87 | ¥441.02 | +8.5% | 30M | 243 |
| 2024 | ¥571.77 | ¥759.50 | ¥340.78 | ¥406.57 | -30.4% | 16.2M | 245 |
| 2023 | ¥668.59 | ¥729.07 | ¥457.41 | ¥584.15 | -14.2% | 15.5M | 246 |
| 2022 | ¥1,174 | ¥1,190 | ¥641.51 | ¥680.72 | -42.7% | 24.7M | 244 |
| 2021 | ¥1,289 | ¥1,711 | ¥871.13 | ¥1,187 | -7.1% | 69.5M | 245 |
| 2020 | ¥424.59 | ¥1,745 | ¥215.04 | ¥1,278 | +194.7% | 130.6M | 242 |
| 2019 | ¥146.41 | ¥483.15 | ¥141.83 | ¥433.74 | +178.8% | 103.5M | 241 |
| 2018 | ¥368.77 | ¥404.46 | ¥130.85 | ¥155.56 | -57.8% | 9.7M | 261 |
| 2017 | ¥321.65 | ¥782.37 | ¥283.67 | ¥368.77 | +14.6% | 35.6M | 253 |
| 2016 | ¥363.15 | ¥452.86 | ¥268.73 | ¥321.65 | -11.9% | 16.2M | 245 |
| 2015 | ¥571.05 | ¥787.12 | ¥274.18 | ¥364.96 | -35.2% | 26.9M | 244 |
| 2014 | ¥725.04 | ¥1,028 | ¥312.31 | ¥562.88 | -20.2% | 57.3M | 244 |
| 2013 | ¥190.32 | ¥1,428 | ¥188.53 | ¥705.10 | +274.0% | 89.4M | 245 |
| 2012 | ¥212.89 | ¥274.99 | ¥143.79 | ¥188.53 | -12.2% | 3.1M | 248 |
| 2011 | ¥272.18 | ¥632.16 | ¥204.02 | ¥214.67 | -20.1% | 11.2M | 245 |
| 2010 | ¥193.16 | ¥316.08 | ¥172.97 | ¥268.67 | +43.7% | 2.5M | 243 |
| 2009 | ¥161.55 | ¥249.35 | ¥114.14 | ¥187.01 | +15.1% | 2.3M | 243 |
| 2008 | ¥1,006 | ¥1,007 | ¥141.36 | ¥162.43 | -84.2% | 6.5M | 245 |
| 2007 | ¥698.47 | ¥1,385 | ¥680.61 | ¥1,028 | +47.2% | 9.1M | 245 |
| 2006 | ¥706.13 | ¥795.46 | ¥579.37 | ¥698.47 | -1.1% | 3.7M | 260 |
| 2005 | ¥686.61 | ¥829.49 | ¥655.94 | ¥706.13 | +2.8% | 6.4M | 260 |
| 2004 | ¥1,051 | ¥1,204 | ¥550.98 | ¥686.61 | n/a | 12.8M | 91 |
6666 monthly closes, last 12 months
| Month | Month end close | Change |
|---|---|---|
| September 2026 | ¥814.00 | -1.3% |
| August 2026 | ¥825.00 | +6.2% |
| July 2026 | ¥777.00 | -17.3% |
| June 2026 | ¥940.00 | -23.1% |
| May 2026 | ¥1,222 | +18.5% |
| April 2026 | ¥1,031 | +43.0% |
| March 2026 | ¥721.00 | +18.4% |
| February 2026 | ¥608.88 | +34.4% |
| January 2026 | ¥452.94 | +2.7% |
| December 2025 | ¥441.02 | +18.1% |
| November 2025 | ¥373.47 | -15.5% |
| October 2025 | ¥442.01 | -2.2% |
About the 6666 data
Daily bars. 5,456 sessions from Aug 27, 2004 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 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 Aug 27, 2004, 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/6666/bars?timeframe=1Day&adjustment=all&limit=50000" \
-H "X-API-Key: YOUR_KEY"Nearby on JPX
Common questions
6666 share price history
