GPW · SEK · stock
Seko S.A. (SEK) stock price history
Every GPW trading session of Seko S.A. from Apr 10, 2007 to Nov 12, 2026: 4,625 daily bars, adjusted for splits and dividends, with minute bars from Sep 17, 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.
SEK adjusted close, 2007 to 2026
- PLN 13.50
- All time high, 2026
- PLN 13.60
- 52 week high, PLN 7.76 low
- 4,625
- Daily sessions since 2007
Last updated Nov 12, 2026, the last stored session. Refreshes after each trading day. Full 2007 to 2026 series and minute bars.
SEK key facts
- Seko S.A. (SEK) closed at PLN 10.15 on Nov 12, 2026 on GPW.
- SEK's all time high close is PLN 13.50, set on Aug 4, 2026; its all time low close is PLN 1.17 on Aug 9, 2012.
- SEK's 52 week range is PLN 7.76 to PLN 13.60.
- SEK returned +28.9% over the year to Nov 12, 2026 and +45.9% over five years.
- Over ten years SEK returned +124%, +8.4% a year compounded.
- SEK's deepest drawdown was -89.6% from Oct 29, 2007 to Aug 9, 2012.
- DataCedar holds 4,625 daily sessions of SEK history from Apr 10, 2007 and minute bars from Sep 17, 2026, adjusted for splits and dividends, served by the API under a key.
SEK price chart, 2007 to 2026
SEK returns
Price return from the last close on or before the window start to Nov 12, 2026, on adjusted closes.
| Period | Return |
|---|---|
| 1 month | -6.9% |
| 3 months | -22.8% |
| 6 months | +5.4% |
| Year to date | +13.7% |
| 1 year | +28.9% |
| 3 years | +27.9% |
| 5 years | +45.9% |
| 10 years | +124.0% |
| Since Apr 10, 2007 | +29.7% |
| Compound annual growth, 19.6 years | +1.3% |
SEK records
Measured on the stored closes; every figure is reproducible from the API series.
- All time high close
- PLN 13.50 on Aug 4, 2026
- All time low close
- PLN 1.17 on Aug 9, 2012
- 52 week high
- PLN 13.60 on Aug 4, 2026
- 52 week low
- PLN 7.76 on Nov 12, 2025
- Deepest drawdown
- -89.6% from Oct 29, 2007 to Aug 9, 2012, recovered Apr 3, 2024
- Best single session
- +35.1% on Mar 23, 2023
- Worst single session
- -20.2% on Jul 3, 2012
- Volatility, 1 year annualised
- 26.0%
- Sessions closing higher, 1 year
- 42%
- Best calendar year
- 2013, +119%
- Worst calendar year
- 2008, -73%
SEK 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. 2007 starts on Apr 10, 2007; 2026 runs to Nov 12, 2026.
| Year | Open | High | Low | Close | Return | Volume | Sessions |
|---|---|---|---|---|---|---|---|
| 2026 | PLN 8.92 | PLN 13.60 | PLN 8.55 | PLN 10.15 | +13.7% | 1.2M | 214 |
| 2025 | PLN 8.41 | PLN 8.94 | PLN 7.30 | PLN 8.92 | +8.1% | 1.5M | 235 |
| 2024 | PLN 9.99 | PLN 11.62 | PLN 8.10 | PLN 8.25 | -13.9% | 714.1K | 249 |
| 2023 | PLN 4.59 | PLN 10.07 | PLN 4.27 | PLN 9.59 | +114.6% | 602K | 240 |
| 2022 | PLN 6.80 | PLN 10.49 | PLN 4.16 | PLN 4.47 | -33.5% | 386K | 248 |
| 2021 | PLN 6.66 | PLN 9.03 | PLN 6.41 | PLN 6.72 | -4.9% | 182.8K | 242 |
| 2020 | PLN 6.68 | PLN 8.27 | PLN 4.96 | PLN 7.07 | +5.8% | 360.9K | 245 |
| 2019 | PLN 6.17 | PLN 7.04 | PLN 5.50 | PLN 6.68 | +8.4% | 97.9K | 222 |
| 2018 | PLN 5.91 | PLN 8.18 | PLN 5.13 | PLN 6.17 | +4.3% | 464.5K | 222 |
| 2017 | PLN 4.06 | PLN 6.30 | PLN 4.05 | PLN 5.91 | +39.6% | 282.9K | 252 |
| 2016 | PLN 2.94 | PLN 5.52 | PLN 2.86 | PLN 4.24 | +39.6% | 197.9K | 247 |
| 2015 | PLN 3.53 | PLN 3.76 | PLN 2.88 | PLN 3.04 | -14.0% | 277.4K | 191 |
| 2014 | PLN 3.84 | PLN 5.02 | PLN 3.23 | PLN 3.53 | -8.0% | 176K | 247 |
| 2013 | PLN 1.74 | PLN 4.78 | PLN 1.57 | PLN 3.84 | +118.9% | 565.2K | 238 |
| 2012 | PLN 3.05 | PLN 3.71 | PLN 1.17 | PLN 1.75 | -44.9% | 381.4K | 206 |
| 2011 | PLN 7.04 | PLN 7.04 | PLN 2.82 | PLN 3.18 | -56.4% | 90.5K | 223 |
| 2010 | PLN 4.70 | PLN 7.31 | PLN 4.12 | PLN 7.30 | +55.4% | 369.2K | 243 |
| 2009 | PLN 2.69 | PLN 5.21 | PLN 2.31 | PLN 4.70 | +74.8% | 185.4K | 254 |
| 2008 | PLN 9.86 | PLN 9.86 | PLN 2.69 | PLN 2.69 | -72.8% | 315.5K | 231 |
| 2007 | PLN 7.75 | PLN 11.38 | PLN 7.57 | PLN 9.86 | n/a | 2.4M | 176 |
SEK monthly closes, last 12 months
| Month | Month end close | Change |
|---|---|---|
| November 2026 | PLN 10.15 | -6.9% |
| October 2026 | PLN 10.90 | +4.8% |
| September 2026 | PLN 10.40 | -7.6% |
| August 2026 | PLN 11.25 | -11.8% |
| July 2026 | PLN 12.75 | +8.1% |
| June 2026 | PLN 11.80 | +8.8% |
| May 2026 | PLN 10.85 | +12.7% |
| April 2026 | PLN 9.63 | +2.7% |
| March 2026 | PLN 9.37 | -4.0% |
| February 2026 | PLN 9.77 | +5.5% |
| January 2026 | PLN 9.26 | +3.8% |
| December 2025 | PLN 8.92 | +13.9% |
About the SEK data
Daily bars. 4,625 sessions from Apr 10, 2007 to Nov 12, 2026, one row per GPW 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 17, 2026 forward, most recent session Nov 12, 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 GPW trading days; minute timestamps are UTC. Prices are in PLN. 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 10, 2007, 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/gpw%3ASEK/bars?timeframe=1Day&adjustment=all&limit=50000" \
-H "X-API-Key: YOUR_KEY"Nearby on GPW
Common questions
SEK share price history
