GPW · BOS · stock
Bank Ochrony Srodowiska S.A. (BOS) stock price history
Every GPW trading session of Bank Ochrony Srodowiska S.A. from Jan 3, 2000 to Sep 28, 2026: 6,875 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.
BOS adjusted close, 2000 to 2026
- PLN 127.00
- All time high, 2008
- PLN 12.42
- 52 week high, PLN 9.50 low
- 6,875
- 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.
BOS key facts
- Bank Ochrony Srodowiska S.A. (BOS) closed at PLN 10.26 on Sep 28, 2026 on GPW.
- BOS's all time high close is PLN 127.00, set on Jul 21, 2008; its all time low close is PLN 3.90 on Mar 12, 2020.
- BOS's 52 week range is PLN 9.50 to PLN 12.42.
- BOS returned -9.0% over the year to Sep 28, 2026 and +1.6% over five years.
- Over ten years BOS returned +7%, +0.7% a year compounded.
- BOS's deepest drawdown was -96.9% from Jul 23, 2008 to Mar 12, 2020.
- DataCedar holds 6,875 daily sessions of BOS history from Jan 3, 2000 and minute bars from Sep 17, 2026, adjusted for splits and dividends, served by the API under a key.
BOS price chart, 2000 to 2026
BOS returns
Price return from the last close on or before the window start to Sep 28, 2026, on adjusted closes.
| Period | Return |
|---|---|
| 1 month | +2.0% |
| 3 months | +4.9% |
| 6 months | +1.8% |
| Year to date | +3.0% |
| 1 year | -9.0% |
| 3 years | +25.7% |
| 5 years | +1.6% |
| 10 years | +6.9% |
| Since Jan 3, 2000 | -85.8% |
| Compound annual growth, 26.7 years | -7.0% |
BOS records
Measured on the stored closes; every figure is reproducible from the API series.
- All time high close
- PLN 127.00 on Jul 21, 2008
- All time low close
- PLN 3.90 on Mar 12, 2020
- 52 week high
- PLN 12.42 on Nov 3, 2025
- 52 week low
- PLN 9.50 on Dec 2, 2025
- Deepest drawdown
- -96.9% from Jul 23, 2008 to Mar 12, 2020, not yet recovered
- Best single session
- +28.4% on Oct 27, 2008
- Worst single session
- -14.7% on Jul 5, 2002
- Volatility, 1 year annualised
- 24.0%
- Sessions closing higher, 1 year
- 44%
- Best calendar year
- 2013, +57%
- Worst calendar year
- 2015, -50%
BOS 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 Jan 3, 2000; 2026 runs to Sep 28, 2026.
| Year | Open | High | Low | Close | Return | Volume | Sessions |
|---|---|---|---|---|---|---|---|
| 2026 | PLN 10.00 | PLN 11.50 | PLN 9.52 | PLN 10.26 | +3.0% | 5.6M | 187 |
| 2025 | PLN 9.78 | PLN 14.15 | PLN 9.50 | PLN 9.96 | +1.4% | 5.6M | 249 |
| 2024 | PLN 11.10 | PLN 18.20 | PLN 9.42 | PLN 9.82 | -12.6% | 5.8M | 249 |
| 2023 | PLN 8.53 | PLN 11.80 | PLN 7.90 | PLN 11.24 | +33.2% | 4.2M | 250 |
| 2022 | PLN 9.10 | PLN 10.15 | PLN 6.26 | PLN 8.44 | -7.3% | 5.8M | 251 |
| 2021 | PLN 6.00 | PLN 12.85 | PLN 5.82 | PLN 9.10 | +51.7% | 12.5M | 251 |
| 2020 | PLN 7.12 | PLN 7.66 | PLN 3.80 | PLN 6.00 | -15.7% | 5.3M | 259 |
| 2019 | PLN 7.35 | PLN 9.56 | PLN 6.30 | PLN 7.12 | -3.1% | 5.2M | 261 |
| 2018 | PLN 8.27 | PLN 10.88 | PLN 6.44 | PLN 7.35 | -11.1% | 4.4M | 261 |
| 2017 | PLN 10.75 | PLN 15.89 | PLN 7.90 | PLN 8.27 | -22.5% | 8.6M | 255 |
| 2016 | PLN 17.14 | PLN 17.25 | PLN 8.50 | PLN 10.67 | -37.6% | 2.2M | 251 |
| 2015 | PLN 34.00 | PLN 36.80 | PLN 16.91 | PLN 17.09 | -49.7% | 870.2K | 261 |
| 2014 | PLN 47.00 | PLN 50.90 | PLN 32.72 | PLN 34.00 | -27.7% | 884.9K | 261 |
| 2013 | PLN 30.00 | PLN 50.20 | PLN 28.50 | PLN 47.00 | +56.7% | 1.9M | 261 |
| 2012 | PLN 45.01 | PLN 55.00 | PLN 27.01 | PLN 30.00 | -33.3% | 975.2K | 261 |
| 2011 | PLN 75.40 | PLN 77.00 | PLN 43.00 | PLN 45.01 | -41.4% | 21.4K | 260 |
| 2010 | PLN 81.60 | PLN 102.00 | PLN 72.55 | PLN 76.80 | -5.9% | 49.5K | 261 |
| 2009 | PLN 77.50 | PLN 100.00 | PLN 66.00 | PLN 81.60 | +5.3% | 25.9K | 261 |
| 2008 | PLN 85.62 | PLN 127.00 | PLN 64.30 | PLN 77.50 | -9.6% | 16.4K | 252 |
| 2007 | PLN 89.63 | PLN 90.03 | PLN 75.70 | PLN 85.72 | -4.4% | 20.7K | 250 |
| 2006 | PLN 73.20 | PLN 94.61 | PLN 73.10 | PLN 89.63 | +25.0% | 68.6K | 258 |
| 2005 | PLN 46.78 | PLN 79.67 | PLN 43.80 | PLN 71.70 | +49.5% | 91.1K | 260 |
| 2004 | PLN 52.05 | PLN 55.42 | PLN 41.22 | PLN 47.97 | -7.8% | 53.5K | 262 |
| 2003 | PLN 50.21 | PLN 55.52 | PLN 43.33 | PLN 52.05 | +3.7% | 40.8K | 261 |
| 2002 | PLN 54.16 | PLN 58.20 | PLN 32.55 | PLN 50.21 | -7.3% | 39.4K | 261 |
| 2001 | PLN 68.04 | PLN 79.21 | PLN 51.69 | PLN 54.16 | -20.4% | 92.4K | 261 |
| 2000 | PLN 72.38 | PLN 96.51 | PLN 55.97 | PLN 68.04 | n/a | 54.9K | 260 |
BOS monthly closes, last 12 months
| Month | Month end close | Change |
|---|---|---|
| September 2026 | PLN 10.26 | +1.4% |
| August 2026 | PLN 10.12 | -1.6% |
| July 2026 | PLN 10.28 | +6.3% |
| June 2026 | PLN 9.67 | -3.5% |
| May 2026 | PLN 10.02 | -0.8% |
| April 2026 | PLN 10.10 | +0.2% |
| March 2026 | PLN 10.08 | -8.7% |
| February 2026 | PLN 11.04 | +8.4% |
| January 2026 | PLN 10.18 | +2.2% |
| December 2025 | PLN 9.96 | -3.1% |
| November 2025 | PLN 10.28 | -14.6% |
| October 2025 | PLN 12.04 | +7.5% |
About the BOS data
Daily bars. 6,875 sessions from Jan 3, 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 Jan 3, 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/BOS/bars?timeframe=1Day&adjustment=all&limit=50000" \
-H "X-API-Key: YOUR_KEY"Nearby on GPW
Common questions
BOS share price history
