JPX · 4548 · stock
Seikagaku Corporation (4548) stock price history
Every JPX trading session of Seikagaku Corporation from Mar 23, 2004 to Sep 28, 2026: 5,569 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.
4548 adjusted close, 2004 to 2026
- ¥1,752
- All time high, 2015
- ¥820.00
- 52 week high, ¥591.10 low
- 5,569
- 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.
4548 key facts
- Seikagaku Corporation (4548) closed at ¥595.00 on Sep 28, 2026 on JPX.
- 4548's all time high close is ¥1,752, set on Feb 10, 2015; its all time low close is ¥332.17 on Mar 23, 2004.
- 4548's 52 week range is ¥591.10 to ¥820.00.
- 4548 returned -9.7% over the year to Sep 28, 2026 and -35.4% over five years.
- Over ten years 4548 returned -54%, -7.5% a year compounded.
- 4548's deepest drawdown was -66.8% from Feb 10, 2015 to Jul 1, 2025.
- DataCedar holds 5,569 daily sessions of 4548 history from Mar 23, 2004 and minute bars from Sep 14, 2026, adjusted for splits and dividends, served by the API under a key.
4548 price chart, 2004 to 2026
4548 returns
Price return from the last close on or before the window start to Sep 28, 2026, on adjusted closes.
| Period | Return |
|---|---|
| 1 month | -16.9% |
| 3 months | -16.8% |
| 6 months | -19.8% |
| Year to date | -14.6% |
| 1 year | -9.7% |
| 3 years | -19.7% |
| 5 years | -35.4% |
| 10 years | -54.1% |
| Since Mar 23, 2004 | +79.1% |
| Compound annual growth, 22.5 years | +2.6% |
4548 records
Measured on the stored closes; every figure is reproducible from the API series.
- All time high close
- ¥1,752 on Feb 10, 2015
- All time low close
- ¥332.17 on Mar 23, 2004
- 52 week high
- ¥820.00 on May 22, 2026
- 52 week low
- ¥591.10 on Sep 28, 2026
- Deepest drawdown
- -66.8% from Feb 10, 2015 to Jul 1, 2025, not yet recovered
- Best single session
- +22.2% on Aug 28, 2014
- Worst single session
- -24.6% on Nov 8, 2017
- Volatility, 1 year annualised
- 26.5%
- Sessions closing higher, 1 year
- 48%
- Best calendar year
- 2014, +55%
- Worst calendar year
- 2018, -25%
4548 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 Mar 23, 2004; 2026 runs to Sep 28, 2026.
| Year | Open | High | Low | Close | Return | Volume | Sessions |
|---|---|---|---|---|---|---|---|
| 2026 | ¥696.91 | ¥820.00 | ¥591.10 | ¥595.00 | -14.6% | 33.4M | 178 |
| 2025 | ¥756.94 | ¥756.94 | ¥578.15 | ¥696.91 | -7.8% | 34.5M | 243 |
| 2024 | ¥695.92 | ¥844.53 | ¥674.12 | ¥756.00 | +9.3% | 21.7M | 245 |
| 2023 | ¥780.61 | ¥780.61 | ¥654.63 | ¥691.38 | -12.6% | 18.8M | 246 |
| 2022 | ¥810.44 | ¥860.69 | ¥653.27 | ¥791.17 | -1.3% | 21.4M | 244 |
| 2021 | ¥833.89 | ¥1,009 | ¥783.17 | ¥801.92 | -5.0% | 21.4M | 245 |
| 2020 | ¥984.29 | ¥1,045 | ¥689.82 | ¥843.84 | -15.9% | 15.7M | 242 |
| 2019 | ¥970.28 | ¥1,268 | ¥863.03 | ¥1,004 | +1.0% | 19.9M | 241 |
| 2018 | ¥1,319 | ¥1,755 | ¥874.77 | ¥994.16 | -24.6% | 31.3M | 261 |
| 2017 | ¥1,348 | ¥1,655 | ¥1,205 | ¥1,319 | -1.4% | 25.2M | 253 |
| 2016 | ¥1,360 | ¥1,417 | ¥886.13 | ¥1,337 | -2.8% | 33.4M | 245 |
| 2015 | ¥1,467 | ¥1,794 | ¥1,066 | ¥1,376 | -6.2% | 60.8M | 244 |
| 2014 | ¥943.06 | ¥1,713 | ¥824.94 | ¥1,467 | +55.0% | 69.8M | 244 |
| 2013 | ¥677.79 | ¥1,046 | ¥662.68 | ¥946.00 | +42.9% | 34.8M | 245 |
| 2012 | ¥585.99 | ¥672.76 | ¥532.90 | ¥661.96 | +14.2% | 7.3M | 248 |
| 2011 | ¥621.46 | ¥746.16 | ¥463.37 | ¥579.69 | -6.4% | 9.4M | 245 |
| 2010 | ¥645.73 | ¥673.61 | ¥561.49 | ¥619.41 | -3.9% | 9.2M | 243 |
| 2009 | ¥632.76 | ¥867.39 | ¥587.33 | ¥644.41 | +2.1% | 11.7M | 243 |
| 2008 | ¥745.63 | ¥770.44 | ¥522.43 | ¥631.46 | -15.3% | 20.9M | 245 |
| 2007 | ¥757.57 | ¥939.12 | ¥745.63 | ¥745.63 | +0.1% | 27M | 245 |
| 2006 | ¥783.21 | ¥872.39 | ¥639.16 | ¥745.17 | -4.9% | 21.5M | 260 |
| 2005 | ¥554.02 | ¥1,200 | ¥550.04 | ¥783.21 | +41.4% | 47.7M | 260 |
| 2004 | ¥334.77 | ¥597.86 | ¥329.84 | ¥554.02 | n/a | 24.5M | 204 |
4548 monthly closes, last 12 months
| Month | Month end close | Change |
|---|---|---|
| September 2026 | ¥595.00 | -17.2% |
| August 2026 | ¥719.00 | -3.6% |
| July 2026 | ¥746.00 | +4.0% |
| June 2026 | ¥717.00 | -7.4% |
| May 2026 | ¥774.00 | +10.3% |
| April 2026 | ¥702.00 | -3.7% |
| March 2026 | ¥729.00 | -5.4% |
| February 2026 | ¥770.43 | +12.6% |
| January 2026 | ¥684.17 | -1.8% |
| December 2025 | ¥696.91 | +2.3% |
| November 2025 | ¥681.23 | +5.8% |
| October 2025 | ¥643.98 | -1.1% |
About the 4548 data
Daily bars. 5,569 sessions from Mar 23, 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 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 Mar 23, 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/4548/bars?timeframe=1Day&adjustment=all&limit=50000" \
-H "X-API-Key: YOUR_KEY"Nearby on JPX
Common questions
4548 share price history
