GPW · PRT · stock
Protektor S.A. (PRT) stock price history
Every GPW trading session of Protektor S.A. from Nov 20, 2000 to Nov 13, 2026: 6,591 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.
PRT adjusted close, 2000 to 2026
- PLN 11.93
- All time high, 2007
- PLN 1.71
- 52 week high, PLN 0.7500 low
- 6,591
- Daily sessions since 2000
Last updated Nov 13, 2026, the last stored session. Refreshes after each trading day. Full 2000 to 2026 series and minute bars.
PRT key facts
- Protektor S.A. (PRT) closed at PLN 0.7930 on Nov 13, 2026 on GPW.
- PRT's all time high close is PLN 11.93, set on Jun 25, 2007; its all time low close is PLN 0.0078 on Dec 11, 2002.
- PRT's 52 week range is PLN 0.7500 to PLN 1.71.
- PRT returned -39.7% over the year to Nov 13, 2026 and -76.0% over five years.
- Over ten years PRT returned -73%, -12.3% a year compounded.
- PRT's deepest drawdown was -93.5% from Jun 25, 2007 to Nov 12, 2026.
- DataCedar holds 6,591 daily sessions of PRT history from Nov 20, 2000 and minute bars from Sep 17, 2026, adjusted for splits and dividends, served by the API under a key.
PRT price chart, 2000 to 2026
PRT returns
Price return from the last close on or before the window start to Nov 13, 2026, on adjusted closes.
| Period | Return |
|---|---|
| 1 month | -16.1% |
| 3 months | -29.7% |
| 6 months | -38.5% |
| Year to date | -20.7% |
| 1 year | -39.7% |
| 3 years | -59.2% |
| 5 years | -76.0% |
| 10 years | -73.2% |
| Since Nov 20, 2000 | +2,064% |
| Compound annual growth, 26.0 years | +12.6% |
PRT records
Measured on the stored closes; every figure is reproducible from the API series.
- All time high close
- PLN 11.93 on Jun 25, 2007
- All time low close
- PLN 0.0078 on Dec 11, 2002
- 52 week high
- PLN 1.71 on Mar 2, 2026
- 52 week low
- PLN 0.7500 on Nov 13, 2026
- Deepest drawdown
- -93.5% from Jun 25, 2007 to Nov 12, 2026, not yet recovered
- Best single session
- +400.8% on Jun 13, 2005
- Worst single session
- -44.4% on Jun 17, 2002
- Volatility, 1 year annualised
- 63.4%
- Sessions closing higher, 1 year
- 34%
- Growth of 1 since 2000
- 21.6×
- Best calendar year
- 2003, +1,021%
- Worst calendar year
- 2008, -80%
PRT 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 20, 2000; 2026 runs to Nov 13, 2026.
| Year | Open | High | Low | Close | Return | Volume | Sessions |
|---|---|---|---|---|---|---|---|
| 2026 | PLN 1.00 | PLN 1.71 | PLN 0.7500 | PLN 0.7930 | -20.7% | 45.7M | 216 |
| 2025 | PLN 0.8400 | PLN 3.13 | PLN 0.8360 | PLN 1.00 | +16.3% | 68.7M | 249 |
| 2024 | PLN 1.82 | PLN 2.50 | PLN 0.8200 | PLN 0.8600 | -52.1% | 5.8M | 249 |
| 2023 | PLN 2.07 | PLN 2.91 | PLN 1.68 | PLN 1.79 | -14.2% | 6.1M | 250 |
| 2022 | PLN 2.88 | PLN 6.21 | PLN 1.97 | PLN 2.09 | -27.6% | 14.8M | 251 |
| 2021 | PLN 3.60 | PLN 4.18 | PLN 2.66 | PLN 2.88 | -19.9% | 4M | 251 |
| 2020 | PLN 3.45 | PLN 7.90 | PLN 2.20 | PLN 3.60 | +4.3% | 15.5M | 259 |
| 2019 | PLN 4.59 | PLN 4.59 | PLN 3.26 | PLN 3.45 | -24.8% | 378.9K | 261 |
| 2018 | PLN 3.77 | PLN 4.96 | PLN 3.03 | PLN 4.59 | +21.9% | 2.1M | 261 |
| 2017 | PLN 2.79 | PLN 3.99 | PLN 2.76 | PLN 3.77 | +34.3% | 3M | 255 |
| 2016 | PLN 2.57 | PLN 3.31 | PLN 2.48 | PLN 2.81 | +7.0% | 3.5M | 251 |
| 2015 | PLN 2.23 | PLN 2.89 | PLN 2.21 | PLN 2.62 | +17.6% | 4.2M | 261 |
| 2014 | PLN 2.12 | PLN 2.90 | PLN 1.99 | PLN 2.23 | +5.0% | 6.8M | 261 |
| 2013 | PLN 3.06 | PLN 3.18 | PLN 2.07 | PLN 2.12 | -30.7% | 2.9M | 259 |
| 2012 | PLN 1.73 | PLN 3.56 | PLN 1.73 | PLN 3.06 | +70.5% | 4.9M | 256 |
| 2011 | PLN 3.84 | PLN 4.85 | PLN 1.62 | PLN 1.80 | -53.1% | 6M | 258 |
| 2010 | PLN 2.59 | PLN 4.85 | PLN 2.02 | PLN 3.83 | +48.1% | 9.8M | 255 |
| 2009 | PLN 1.69 | PLN 2.87 | PLN 1.21 | PLN 2.59 | +52.9% | 11.2M | 259 |
| 2008 | PLN 8.64 | PLN 8.64 | PLN 1.52 | PLN 1.69 | -79.7% | 4.3M | 249 |
| 2007 | PLN 3.07 | PLN 11.98 | PLN 2.34 | PLN 8.34 | +171.6% | 43.2M | 249 |
| 2006 | PLN 1.57 | PLN 6.07 | PLN 1.47 | PLN 3.07 | +100.8% | 64.6M | 258 |
| 2005 | PLN 0.4909 | PLN 2.14 | PLN 0.2330 | PLN 1.53 | +212.8% | 22.5M | 260 |
| 2004 | PLN 0.1386 | PLN 0.4971 | PLN 0.1386 | PLN 0.4888 | +252.6% | 2.5M | 242 |
| 2003 | PLN 0.0124 | PLN 0.1635 | PLN 0.0080 | PLN 0.1386 | +1,021% | 785.9K | 233 |
| 2002 | PLN 0.0352 | PLN 0.0352 | PLN 0.0078 | PLN 0.0124 | -64.9% | 551.5K | 257 |
| 2001 | PLN 0.0356 | PLN 0.0431 | PLN 0.0144 | PLN 0.0352 | -1.0% | 3.7M | 251 |
| 2000 | PLN 0.0367 | PLN 0.0370 | PLN 0.0313 | PLN 0.0356 | n/a | 14.2K | 30 |
PRT monthly closes, last 12 months
| Month | Month end close | Change |
|---|---|---|
| November 2026 | PLN 0.7930 | -3.4% |
| October 2026 | PLN 0.8210 | 0.0% |
| September 2026 | PLN 0.8210 | -8.1% |
| August 2026 | PLN 0.8936 | -21.3% |
| July 2026 | PLN 1.14 | -4.5% |
| June 2026 | PLN 1.19 | -6.7% |
| May 2026 | PLN 1.28 | +6.3% |
| April 2026 | PLN 1.20 | +0.4% |
| March 2026 | PLN 1.20 | -17.0% |
| February 2026 | PLN 1.44 | +44.6% |
| January 2026 | PLN 0.9960 | -0.4% |
| December 2025 | PLN 1.00 | -19.7% |
About the PRT data
Daily bars. 6,591 sessions from Nov 20, 2000 to Nov 13, 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 Nov 20, 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/gpw%3APRT/bars?timeframe=1Day&adjustment=all&limit=50000" \
-H "X-API-Key: YOUR_KEY"Nearby on GPW
Common questions
PRT share price history
