GPW · ALL · stock
Ailleron S.A. (ALL) stock price history
Every GPW trading session of Ailleron S.A. from Oct 12, 2011 to Sep 28, 2026: 3,826 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.
ALL adjusted close, 2011 to 2026
- PLN 25.00
- All time high, 2025
- PLN 20.00
- 52 week high, PLN 14.00 low
- 3,826
- Daily sessions since 2011
Last updated Sep 28, 2026, the last stored session. Refreshes after each trading day. Full 2011 to 2026 series and minute bars.
ALL key facts
- Ailleron S.A. (ALL) closed at PLN 15.22 on Sep 28, 2026 on GPW.
- ALL's all time high close is PLN 25.00, set on Feb 27, 2025; its all time low close is PLN 2.49 on Oct 17, 2011.
- ALL's 52 week range is PLN 14.00 to PLN 20.00.
- ALL returned -16.6% over the year to Sep 28, 2026 and +21.6% over five years.
- Over ten years ALL returned +80%, +6.1% a year compounded.
- ALL's deepest drawdown was -82.0% from Jun 29, 2017 to Mar 16, 2020.
- DataCedar holds 3,826 daily sessions of ALL history from Oct 12, 2011 and minute bars from Sep 17, 2026, adjusted for splits and dividends, served by the API under a key.
ALL price chart, 2011 to 2026
ALL returns
Price return from the last close on or before the window start to Sep 28, 2026, on adjusted closes.
| Period | Return |
|---|---|
| 1 month | -0.8% |
| 3 months | -3.5% |
| 6 months | -15.9% |
| Year to date | -5.7% |
| 1 year | -16.6% |
| 3 years | -17.1% |
| 5 years | +21.6% |
| 10 years | +80.3% |
| Since Oct 12, 2011 | +456.8% |
| Compound annual growth, 15.0 years | +12.2% |
ALL records
Measured on the stored closes; every figure is reproducible from the API series.
- All time high close
- PLN 25.00 on Feb 27, 2025
- All time low close
- PLN 2.49 on Oct 17, 2011
- 52 week high
- PLN 20.00 on Mar 6, 2026
- 52 week low
- PLN 14.00 on Jul 9, 2026
- Deepest drawdown
- -82.0% from Jun 29, 2017 to Mar 16, 2020, recovered Feb 1, 2023
- Best single session
- +78.8% on Apr 29, 2014
- Worst single session
- -19.3% on Feb 27, 2020
- Volatility, 1 year annualised
- 29.6%
- Sessions closing higher, 1 year
- 44%
- Growth of 1 since 2011
- 5.6×
- Best calendar year
- 2017, +100%
- Worst calendar year
- 2018, -41%
ALL 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. 2011 starts on Oct 12, 2011; 2026 runs to Sep 28, 2026.
| Year | Open | High | Low | Close | Return | Volume | Sessions |
|---|---|---|---|---|---|---|---|
| 2026 | PLN 16.16 | PLN 20.00 | PLN 14.00 | PLN 15.22 | -5.7% | 1.9M | 187 |
| 2025 | PLN 21.60 | PLN 26.20 | PLN 14.62 | PLN 16.14 | -25.3% | 3.3M | 249 |
| 2024 | PLN 18.75 | PLN 22.40 | PLN 14.00 | PLN 21.60 | +15.8% | 2.3M | 249 |
| 2023 | PLN 16.30 | PLN 22.93 | PLN 16.20 | PLN 18.65 | +17.2% | 3.9M | 250 |
| 2022 | PLN 11.64 | PLN 16.68 | PLN 9.06 | PLN 15.92 | +44.1% | 2.4M | 251 |
| 2021 | PLN 10.63 | PLN 15.25 | PLN 10.05 | PLN 11.05 | +6.1% | 3.9M | 251 |
| 2020 | PLN 7.45 | PLN 12.33 | PLN 2.92 | PLN 10.41 | +39.8% | 4.5M | 259 |
| 2019 | PLN 9.42 | PLN 11.44 | PLN 6.03 | PLN 7.45 | -21.0% | 2.4M | 261 |
| 2018 | PLN 15.97 | PLN 16.73 | PLN 8.52 | PLN 9.42 | -41.0% | 1.9M | 261 |
| 2017 | PLN 7.98 | PLN 18.64 | PLN 6.91 | PLN 15.97 | +100.1% | 5M | 255 |
| 2016 | PLN 5.86 | PLN 9.20 | PLN 4.93 | PLN 7.98 | +36.0% | 2M | 251 |
| 2015 | PLN 7.01 | PLN 7.90 | PLN 5.46 | PLN 5.87 | -16.3% | 915K | 261 |
| 2014 | PLN 4.06 | PLN 8.31 | PLN 4.06 | PLN 7.01 | +72.5% | 345.2K | 261 |
| 2013 | PLN 5.59 | PLN 6.21 | PLN 3.55 | PLN 4.06 | -27.3% | 175K | 261 |
| 2012 | PLN 3.55 | PLN 5.76 | PLN 3.27 | PLN 5.59 | +47.9% | 725.8K | 261 |
| 2011 | PLN 2.92 | PLN 3.78 | PLN 2.39 | PLN 3.78 | n/a | 352K | 58 |
ALL monthly closes, last 12 months
| Month | Month end close | Change |
|---|---|---|
| September 2026 | PLN 15.22 | +0.3% |
| August 2026 | PLN 15.18 | +1.5% |
| July 2026 | PLN 14.96 | -5.2% |
| June 2026 | PLN 15.78 | -3.0% |
| May 2026 | PLN 16.26 | -7.5% |
| April 2026 | PLN 17.58 | +0.3% |
| March 2026 | PLN 17.52 | -3.8% |
| February 2026 | PLN 18.22 | +1.8% |
| January 2026 | PLN 17.90 | +10.9% |
| December 2025 | PLN 16.14 | +8.5% |
| November 2025 | PLN 14.88 | -2.5% |
| October 2025 | PLN 15.26 | -12.2% |
About the ALL data
Daily bars. 3,826 sessions from Oct 12, 2011 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 Oct 12, 2011, 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/ALL/bars?timeframe=1Day&adjustment=all&limit=50000" \
-H "X-API-Key: YOUR_KEY"Nearby on GPW
Common questions
ALL share price history
