GPW · INL · stock
Introl S.A. (INL) stock price history
Every GPW trading session of Introl S.A. from Jan 21, 2008 to Sep 28, 2026: 4,789 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.
INL adjusted close, 2008 to 2026
- PLN 9.95
- All time high, 2024
- PLN 8.60
- 52 week high, PLN 6.19 low
- 4,789
- Daily sessions since 2008
Last updated Sep 28, 2026, the last stored session. Refreshes after each trading day. Full 2008 to 2026 series and minute bars.
INL key facts
- Introl S.A. (INL) closed at PLN 8.46 on Sep 28, 2026 on GPW.
- INL's all time high close is PLN 9.95, set on Feb 5, 2024; its all time low close is PLN 1.17 on May 11, 2020.
- INL's 52 week range is PLN 6.19 to PLN 8.60.
- INL returned +17.2% over the year to Sep 28, 2026 and +132.9% over five years.
- Over ten years INL returned +58%, +4.7% a year compounded.
- INL's deepest drawdown was -79.0% from Sep 16, 2016 to May 11, 2020.
- DataCedar holds 4,789 daily sessions of INL history from Jan 21, 2008 and minute bars from Sep 17, 2026, adjusted for splits and dividends, served by the API under a key.
INL price chart, 2008 to 2026
INL returns
Price return from the last close on or before the window start to Sep 28, 2026, on adjusted closes.
| Period | Return |
|---|---|
| 1 month | +2.9% |
| 3 months | +11.7% |
| 6 months | +12.6% |
| Year to date | +8.7% |
| 1 year | +17.2% |
| 3 years | +24.0% |
| 5 years | +132.9% |
| 10 years | +57.6% |
| Since Jan 21, 2008 | +184.8% |
| Compound annual growth, 18.7 years | +5.8% |
INL records
Measured on the stored closes; every figure is reproducible from the API series.
- All time high close
- PLN 9.95 on Feb 5, 2024
- All time low close
- PLN 1.17 on May 11, 2020
- 52 week high
- PLN 8.60 on Sep 25, 2026
- 52 week low
- PLN 6.19 on Nov 18, 2025
- Deepest drawdown
- -79.0% from Sep 16, 2016 to May 11, 2020, recovered Jul 17, 2023
- Best single session
- +32.9% on Sep 1, 2020
- Worst single session
- -12.8% on Sep 5, 2018
- Volatility, 1 year annualised
- 25.1%
- Sessions closing higher, 1 year
- 42%
- Growth of 1 since 2008
- 2.8×
- Best calendar year
- 2013, +106%
- Worst calendar year
- 2018, -46%
INL 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. 2008 starts on Jan 21, 2008; 2026 runs to Sep 28, 2026.
| Year | Open | High | Low | Close | Return | Volume | Sessions |
|---|---|---|---|---|---|---|---|
| 2026 | PLN 8.50 | PLN 8.60 | PLN 6.86 | PLN 8.46 | +8.7% | 704.4K | 187 |
| 2025 | PLN 7.78 | PLN 8.49 | PLN 5.98 | PLN 7.78 | +0.9% | 747.2K | 249 |
| 2024 | PLN 8.17 | PLN 10.08 | PLN 7.06 | PLN 7.71 | -6.6% | 698.6K | 249 |
| 2023 | PLN 4.14 | PLN 8.36 | PLN 4.12 | PLN 8.25 | +102.5% | 960.7K | 250 |
| 2022 | PLN 3.25 | PLN 4.22 | PLN 3.15 | PLN 4.07 | +25.4% | 1.6M | 251 |
| 2021 | PLN 2.96 | PLN 4.83 | PLN 2.95 | PLN 3.25 | +10.2% | 3M | 251 |
| 2020 | PLN 1.54 | PLN 2.99 | PLN 1.07 | PLN 2.95 | +91.4% | 9.9M | 259 |
| 2019 | PLN 1.95 | PLN 2.02 | PLN 1.47 | PLN 1.54 | -20.9% | 383.6K | 261 |
| 2018 | PLN 3.59 | PLN 3.88 | PLN 1.74 | PLN 1.95 | -45.8% | 331.9K | 261 |
| 2017 | PLN 5.13 | PLN 5.16 | PLN 3.29 | PLN 3.59 | -30.0% | 316.3K | 255 |
| 2016 | PLN 4.35 | PLN 5.59 | PLN 3.93 | PLN 5.13 | +18.1% | 431.8K | 251 |
| 2015 | PLN 4.60 | PLN 5.53 | PLN 4.26 | PLN 4.35 | -5.6% | 929.3K | 261 |
| 2014 | PLN 4.15 | PLN 4.74 | PLN 3.58 | PLN 4.60 | +11.0% | 1.1M | 261 |
| 2013 | PLN 2.01 | PLN 4.58 | PLN 1.90 | PLN 4.15 | +106.4% | 1.5M | 261 |
| 2012 | PLN 1.93 | PLN 2.10 | PLN 1.40 | PLN 2.01 | +4.3% | 986K | 261 |
| 2011 | PLN 2.70 | PLN 2.86 | PLN 1.68 | PLN 1.93 | -28.6% | 1.5M | 260 |
| 2010 | PLN 1.70 | PLN 3.13 | PLN 1.70 | PLN 2.70 | +58.3% | 2.6M | 261 |
| 2009 | PLN 1.51 | PLN 2.82 | PLN 1.39 | PLN 1.70 | +13.0% | 1.2M | 261 |
| 2008 | PLN 2.81 | PLN 3.38 | PLN 1.27 | PLN 1.51 | n/a | 1.5M | 239 |
INL monthly closes, last 12 months
| Month | Month end close | Change |
|---|---|---|
| September 2026 | PLN 8.46 | +2.9% |
| August 2026 | PLN 8.22 | +9.1% |
| July 2026 | PLN 7.53 | -0.8% |
| June 2026 | PLN 7.59 | +0.3% |
| May 2026 | PLN 7.57 | +0.8% |
| April 2026 | PLN 7.51 | +2.4% |
| March 2026 | PLN 7.34 | -11.0% |
| February 2026 | PLN 8.24 | +4.7% |
| January 2026 | PLN 7.87 | +1.1% |
| December 2025 | PLN 7.78 | +19.3% |
| November 2025 | PLN 6.53 | +0.9% |
| October 2025 | PLN 6.47 | -9.2% |
About the INL data
Daily bars. 4,789 sessions from Jan 21, 2008 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 21, 2008, 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/INL/bars?timeframe=1Day&adjustment=all&limit=50000" \
-H "X-API-Key: YOUR_KEY"Nearby on GPW
Common questions
INL share price history
