GPW · COG · stock
Cognor Holding S.A. (COG) stock price history
Every GPW trading session of Cognor Holding S.A. from Nov 17, 2000 to Sep 28, 2026: 6,646 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.
COG adjusted close, 2000 to 2026
- PLN 20.12
- All time high, 2007
- PLN 8.15
- 52 week high, PLN 4.30 low
- 6,646
- Daily sessions since 2000
Last updated Sep 28, 2026, the last stored session. Refreshes after each trading day. Full 2000 to 2026 series and minute bars.
COG key facts
- Cognor Holding S.A. (COG) closed at PLN 5.75 on Sep 28, 2026 on GPW.
- COG's all time high close is PLN 20.12, set on Mar 23, 2007; its all time low close is PLN 0.3638 on Dec 4, 2002.
- COG's 52 week range is PLN 4.30 to PLN 8.15.
- COG returned -16.3% over the year to Sep 28, 2026 and +79.0% over five years.
- Over ten years COG returned +592%, +21.3% a year compounded.
- COG's deepest drawdown was -98.1% from Mar 23, 2007 to May 16, 2013.
- DataCedar holds 6,646 daily sessions of COG history from Nov 17, 2000 and minute bars from Sep 17, 2026, adjusted for splits and dividends, served by the API under a key.
COG price chart, 2000 to 2026
COG returns
Price return from the last close on or before the window start to Sep 28, 2026, on adjusted closes.
| Period | Return |
|---|---|
| 1 month | -11.7% |
| 3 months | -1.6% |
| 6 months | +27.8% |
| Year to date | +12.3% |
| 1 year | -16.3% |
| 3 years | -17.9% |
| 5 years | +79.0% |
| 10 years | +591.5% |
| Since Nov 17, 2000 | +363.4% |
| Compound annual growth, 25.9 years | +6.1% |
COG records
Measured on the stored closes; every figure is reproducible from the API series.
- All time high close
- PLN 20.12 on Mar 23, 2007
- All time low close
- PLN 0.3638 on Dec 4, 2002
- 52 week high
- PLN 8.15 on Oct 8, 2025
- 52 week low
- PLN 4.30 on Mar 30, 2026
- Deepest drawdown
- -98.1% from Mar 23, 2007 to May 16, 2013, not yet recovered
- Best single session
- +75.4% on Nov 22, 2006
- Worst single session
- -25.4% on Apr 12, 2013
- Volatility, 1 year annualised
- 47.5%
- Sessions closing higher, 1 year
- 44%
- Growth of 1 since 2000
- 4.6×
- Best calendar year
- 2006, +461%
- Worst calendar year
- 2007, -67%
COG 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. 2000 starts on Nov 17, 2000; 2026 runs to Sep 28, 2026.
| Year | Open | High | Low | Close | Return | Volume | Sessions |
|---|---|---|---|---|---|---|---|
| 2026 | PLN 5.30 | PLN 7.20 | PLN 4.30 | PLN 5.75 | +12.3% | 86.8M | 187 |
| 2025 | PLN 6.80 | PLN 8.73 | PLN 4.63 | PLN 5.12 | -24.3% | 42.6M | 249 |
| 2024 | PLN 8.38 | PLN 9.89 | PLN 4.64 | PLN 6.76 | -18.9% | 30.9M | 249 |
| 2023 | PLN 4.00 | PLN 9.84 | PLN 3.88 | PLN 8.34 | +111.0% | 79.5M | 250 |
| 2022 | PLN 3.27 | PLN 5.66 | PLN 2.93 | PLN 3.95 | +21.3% | 90.4M | 251 |
| 2021 | PLN 1.43 | PLN 4.20 | PLN 1.32 | PLN 3.26 | +128.7% | 118.3M | 251 |
| 2020 | PLN 1.01 | PLN 1.46 | PLN 0.5000 | PLN 1.43 | +41.1% | 27.9M | 259 |
| 2019 | PLN 1.10 | PLN 1.42 | PLN 0.9039 | PLN 1.01 | -8.1% | 20.8M | 261 |
| 2018 | PLN 0.9679 | PLN 1.57 | PLN 0.9548 | PLN 1.10 | +13.6% | 23M | 261 |
| 2017 | PLN 1.00 | PLN 1.31 | PLN 0.8445 | PLN 0.9679 | -2.6% | 20.5M | 255 |
| 2016 | PLN 0.4872 | PLN 1.07 | PLN 0.4028 | PLN 0.9939 | +91.3% | 19.9M | 251 |
| 2015 | PLN 0.8705 | PLN 1.20 | PLN 0.4157 | PLN 0.5197 | -40.3% | 10.1M | 261 |
| 2014 | PLN 0.7925 | PLN 1.33 | PLN 0.7925 | PLN 0.8705 | +9.8% | 10.9M | 261 |
| 2013 | PLN 1.42 | PLN 1.54 | PLN 0.3703 | PLN 0.7925 | -44.0% | 32.2M | 261 |
| 2012 | PLN 2.19 | PLN 2.87 | PLN 1.34 | PLN 1.42 | -32.9% | 14.2M | 261 |
| 2011 | PLN 1.57 | PLN 3.87 | PLN 1.52 | PLN 2.11 | +35.4% | 54.2M | 260 |
| 2010 | PLN 1.64 | PLN 2.90 | PLN 1.48 | PLN 1.56 | -4.8% | 55M | 261 |
| 2009 | PLN 1.61 | PLN 3.20 | PLN 1.35 | PLN 1.64 | +1.6% | 27.8M | 261 |
| 2008 | PLN 3.74 | PLN 4.82 | PLN 1.34 | PLN 1.61 | -56.5% | 32.2M | 252 |
| 2007 | PLN 11.81 | PLN 20.72 | PLN 3.49 | PLN 3.70 | -66.9% | 37.5M | 250 |
| 2006 | PLN 1.97 | PLN 16.76 | PLN 1.97 | PLN 11.19 | +461.2% | 30.7M | 258 |
| 2005 | PLN 1.73 | PLN 2.39 | PLN 1.57 | PLN 1.99 | +15.8% | 6.3M | 260 |
| 2004 | PLN 1.38 | PLN 2.62 | PLN 1.36 | PLN 1.72 | +25.0% | 15.2M | 262 |
| 2003 | PLN 0.5846 | PLN 1.79 | PLN 0.4287 | PLN 1.38 | +135.6% | 5.1M | 261 |
| 2002 | PLN 0.6431 | PLN 0.6821 | PLN 0.3118 | PLN 0.5846 | -9.1% | 565.9K | 261 |
| 2001 | PLN 1.26 | PLN 1.26 | PLN 0.4547 | PLN 0.6431 | -49.0% | 622.7K | 261 |
| 2000 | PLN 1.24 | PLN 1.27 | PLN 1.20 | PLN 1.26 | n/a | 63.3K | 31 |
COG monthly closes, last 12 months
| Month | Month end close | Change |
|---|---|---|
| September 2026 | PLN 5.75 | 0.0% |
| August 2026 | PLN 5.75 | -10.5% |
| July 2026 | PLN 6.43 | +13.7% |
| June 2026 | PLN 5.65 | -12.7% |
| May 2026 | PLN 6.47 | +27.0% |
| April 2026 | PLN 5.09 | +11.7% |
| March 2026 | PLN 4.56 | -9.2% |
| February 2026 | PLN 5.02 | -0.8% |
| January 2026 | PLN 5.06 | -1.2% |
| December 2025 | PLN 5.12 | -5.2% |
| November 2025 | PLN 5.40 | -18.2% |
| October 2025 | PLN 6.60 | -0.9% |
About the COG data
Daily bars. 6,646 sessions from Nov 17, 2000 to Sep 28, 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 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 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 Nov 17, 2000, 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/COG/bars?timeframe=1Day&adjustment=all&limit=50000" \
-H "X-API-Key: YOUR_KEY"Nearby on GPW
Common questions
COG share price history
