JPX · 3815 · stock
Media Kobo, Inc. (3815) stock price history
Every JPX trading session of Media Kobo, Inc. from Sep 19, 2006 to Nov 12, 2026: 4,942 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.
3815 adjusted close, 2006 to 2026
- ¥1,477
- All time high, 2015
- ¥527.00
- 52 week high, ¥420.00 low
- 4,942
- Daily sessions since 2006
Last updated Nov 12, 2026, the last stored session. Refreshes after each trading day. Full 2006 to 2026 series and minute bars.
3815 key facts
- Media Kobo, Inc. (3815) closed at ¥465.00 on Nov 12, 2026 on JPX.
- 3815's all time high close is ¥1,477, set on Feb 9, 2015; its all time low close is ¥31.09 on Oct 28, 2008.
- 3815's 52 week range is ¥420.00 to ¥527.00.
- 3815 returned -10.6% over the year to Nov 12, 2026 and +44.3% over five years.
- Over ten years 3815 returned -8%, -0.8% a year compounded.
- 3815's deepest drawdown was -92.4% from Sep 19, 2006 to Oct 28, 2008.
- DataCedar holds 4,942 daily sessions of 3815 history from Sep 19, 2006 and minute bars from Sep 14, 2026, adjusted for splits and dividends, served by the API under a key.
3815 price chart, 2006 to 2026
3815 returns
Price return from the last close on or before the window start to Nov 12, 2026, on adjusted closes.
| Period | Return |
|---|---|
| 1 month | +8.6% |
| 3 months | +2.2% |
| 6 months | +3.3% |
| Year to date | -9.0% |
| 1 year | -10.6% |
| 3 years | +82.4% |
| 5 years | +44.3% |
| 10 years | -7.6% |
| Since Sep 19, 2006 | +13.9% |
| Compound annual growth, 20.1 years | +0.6% |
3815 records
Measured on the stored closes; every figure is reproducible from the API series.
- All time high close
- ¥1,477 on Feb 9, 2015
- All time low close
- ¥31.09 on Oct 28, 2008
- 52 week high
- ¥527.00 on Nov 12, 2025
- 52 week low
- ¥420.00 on Oct 23, 2026
- Deepest drawdown
- -92.4% from Sep 19, 2006 to Oct 28, 2008, recovered Apr 3, 2013
- Best single session
- +52.6% on Jun 24, 2024
- Worst single session
- -22.0% on Jul 29, 2013
- Volatility, 1 year annualised
- 13.9%
- Sessions closing higher, 1 year
- 30%
- Best calendar year
- 2013, +259%
- Worst calendar year
- 2007, -71%
3815 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. 2006 starts on Sep 19, 2006; 2026 runs to Nov 12, 2026.
| Year | Open | High | Low | Close | Return | Volume | Sessions |
|---|---|---|---|---|---|---|---|
| 2026 | ¥517.00 | ¥525.00 | ¥420.00 | ¥465.00 | -9.0% | 2.4M | 205 |
| 2025 | ¥479.00 | ¥610.00 | ¥467.00 | ¥511.00 | +9.9% | 2.9M | 243 |
| 2024 | ¥227.00 | ¥696.00 | ¥210.00 | ¥465.00 | +104.8% | 30.6M | 245 |
| 2023 | ¥303.59 | ¥330.29 | ¥215.00 | ¥227.00 | -26.0% | 3.9M | 246 |
| 2022 | ¥316.40 | ¥496.65 | ¥291.91 | ¥306.56 | -1.0% | 26.2M | 244 |
| 2021 | ¥354.61 | ¥420.24 | ¥286.04 | ¥309.55 | -11.0% | 20.9M | 245 |
| 2020 | ¥440.81 | ¥628.89 | ¥221.38 | ¥347.75 | -21.5% | 29.9M | 242 |
| 2019 | ¥351.67 | ¥583.83 | ¥325.22 | ¥442.77 | +21.5% | 35M | 241 |
| 2018 | ¥499.59 | ¥591.67 | ¥310.53 | ¥364.40 | -27.1% | 6.8M | 261 |
| 2017 | ¥478.03 | ¥764.07 | ¥433.95 | ¥499.59 | +5.2% | 29.5M | 253 |
| 2016 | ¥713.13 | ¥773.87 | ¥368.32 | ¥475.10 | -33.4% | 40.3M | 245 |
| 2015 | ¥509.44 | ¥1,708 | ¥422.37 | ¥713.13 | +40.6% | 80.4M | 244 |
| 2014 | ¥876.38 | ¥884.39 | ¥364.69 | ¥507.04 | -39.6% | 13.7M | 244 |
| 2013 | ¥235.48 | ¥1,105 | ¥235.02 | ¥839.63 | +258.7% | 75M | 245 |
| 2012 | ¥255.34 | ¥275.36 | ¥199.79 | ¥234.09 | -5.5% | 3.5M | 245 |
| 2011 | ¥275.98 | ¥386.98 | ¥167.14 | ¥247.78 | -8.8% | 14.6M | 245 |
| 2010 | ¥105.80 | ¥345.48 | ¥101.81 | ¥271.66 | +162.7% | 19.8M | 243 |
| 2009 | ¥71.69 | ¥119.84 | ¥68.23 | ¥103.43 | +46.0% | 3M | 243 |
| 2008 | ¥82.05 | ¥83.13 | ¥30.73 | ¥70.82 | -15.0% | 6.5M | 245 |
| 2007 | ¥282.86 | ¥354.11 | ¥47.93 | ¥83.35 | -70.8% | 44.9M | 244 |
| 2006 | ¥451.28 | ¥466.39 | ¥200.81 | ¥285.02 | n/a | 116.2M | 74 |
3815 monthly closes, last 12 months
| Month | Month end close | Change |
|---|---|---|
| November 2026 | ¥465.00 | +3.1% |
| October 2026 | ¥451.00 | +4.6% |
| September 2026 | ¥431.00 | 0.0% |
| August 2026 | ¥431.00 | -2.7% |
| July 2026 | ¥443.00 | -0.7% |
| June 2026 | ¥446.00 | +0.5% |
| May 2026 | ¥444.00 | -1.3% |
| April 2026 | ¥450.00 | -3.2% |
| March 2026 | ¥465.00 | -1.9% |
| February 2026 | ¥474.00 | -7.4% |
| January 2026 | ¥512.00 | +0.2% |
| December 2025 | ¥511.00 | -1.7% |
About the 3815 data
Daily bars. 4,942 sessions from Sep 19, 2006 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 Nov 11, 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 Sep 19, 2006, 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%3A3815/bars?timeframe=1Day&adjustment=all&limit=50000" \
-H "X-API-Key: YOUR_KEY"Nearby on JPX
Common questions
3815 share price history
