GPW · HEL · stock
Helio S.A. (HEL) stock price history
Every GPW trading session of Helio S.A. from May 10, 2007 to Sep 29, 2026: 4,965 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.
HEL adjusted close, 2007 to 2026
- PLN 59.80
- All time high, 2026
- PLN 60.40
- 52 week high, PLN 25.25 low
- 4,965
- Daily sessions since 2007
Last updated Sep 29, 2026, the last stored session. Refreshes after each trading day. Full 2007 to 2026 series and minute bars.
HEL key facts
- Helio S.A. (HEL) closed at PLN 54.20 on Sep 29, 2026 on GPW.
- HEL's all time high close is PLN 59.80, set on Aug 28, 2026; its all time low close is PLN 2.98 on Jan 20, 2016.
- HEL's 52 week range is PLN 25.25 to PLN 60.40.
- HEL returned +98.1% over the year to Sep 29, 2026 and +303.3% over five years.
- Over ten years HEL returned +663%, +22.5% a year compounded.
- HEL's deepest drawdown was -88.2% from Dec 10, 2010 to Jan 20, 2016.
- DataCedar holds 4,965 daily sessions of HEL history from May 10, 2007 and minute bars from Sep 17, 2026, adjusted for splits and dividends, served by the API under a key.
HEL price chart, 2007 to 2026
HEL returns
Price return from the last close on or before the window start to Sep 29, 2026, on adjusted closes.
| Period | Return |
|---|---|
| 1 month | -9.4% |
| 3 months | +8.4% |
| 6 months | +20.4% |
| Year to date | +73.2% |
| 1 year | +98.1% |
| 3 years | +252.8% |
| 5 years | +303.3% |
| 10 years | +662.9% |
| Since May 10, 2007 | +292.3% |
| Compound annual growth, 19.4 years | +7.3% |
HEL records
Measured on the stored closes; every figure is reproducible from the API series.
- All time high close
- PLN 59.80 on Aug 28, 2026
- All time low close
- PLN 2.98 on Jan 20, 2016
- 52 week high
- PLN 60.40 on Aug 28, 2026
- 52 week low
- PLN 25.25 on Oct 2, 2025
- Deepest drawdown
- -88.2% from Dec 10, 2010 to Jan 20, 2016, recovered Feb 1, 2024
- Best single session
- +26.2% on Jan 22, 2021
- Worst single session
- -20.2% on May 13, 2008
- Volatility, 1 year annualised
- 46.8%
- Sessions closing higher, 1 year
- 47%
- Growth of 1 since 2007
- 3.9×
- Best calendar year
- 2016, +171%
- Worst calendar year
- 2011, -69%
HEL 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. 2007 starts on May 10, 2007; 2026 runs to Sep 29, 2026.
| Year | Open | High | Low | Close | Return | Volume | Sessions |
|---|---|---|---|---|---|---|---|
| 2026 | PLN 31.68 | PLN 60.40 | PLN 31.68 | PLN 54.20 | +73.2% | 205.4K | 188 |
| 2025 | PLN 20.93 | PLN 33.51 | PLN 18.72 | PLN 31.30 | +46.8% | 264.7K | 249 |
| 2024 | PLN 19.97 | PLN 30.72 | PLN 15.46 | PLN 21.31 | +12.1% | 654.2K | 249 |
| 2023 | PLN 11.52 | PLN 19.97 | PLN 9.60 | PLN 19.01 | +65.0% | 391.6K | 250 |
| 2022 | PLN 16.03 | PLN 17.28 | PLN 10.27 | PLN 11.52 | -30.2% | 153.7K | 251 |
| 2021 | PLN 10.46 | PLN 19.20 | PLN 10.08 | PLN 16.51 | +57.8% | 254.4K | 251 |
| 2020 | PLN 8.98 | PLN 15.55 | PLN 6.24 | PLN 10.46 | +16.6% | 369.6K | 259 |
| 2019 | PLN 7.49 | PLN 11.42 | PLN 7.30 | PLN 8.98 | +19.9% | 478.2K | 261 |
| 2018 | PLN 11.09 | PLN 14.40 | PLN 7.20 | PLN 7.49 | -32.5% | 304.8K | 261 |
| 2017 | PLN 9.49 | PLN 17.38 | PLN 8.86 | PLN 11.09 | +23.0% | 822.5K | 255 |
| 2016 | PLN 3.34 | PLN 9.49 | PLN 2.98 | PLN 9.01 | +170.6% | 748.6K | 251 |
| 2015 | PLN 5.21 | PLN 5.49 | PLN 3.12 | PLN 3.33 | -36.1% | 494.2K | 261 |
| 2014 | PLN 8.74 | PLN 9.32 | PLN 4.32 | PLN 5.21 | -40.3% | 470.1K | 261 |
| 2013 | PLN 5.00 | PLN 10.22 | PLN 4.80 | PLN 8.74 | +74.7% | 618.7K | 261 |
| 2012 | PLN 7.08 | PLN 9.41 | PLN 4.13 | PLN 5.00 | -28.9% | 603.1K | 261 |
| 2011 | PLN 23.43 | PLN 23.43 | PLN 6.35 | PLN 7.04 | -69.3% | 773.4K | 260 |
| 2010 | PLN 9.98 | PLN 25.54 | PLN 9.79 | PLN 22.93 | +129.6% | 562.8K | 261 |
| 2009 | PLN 5.28 | PLN 10.08 | PLN 4.61 | PLN 9.98 | +89.1% | 1.2M | 261 |
| 2008 | PLN 6.55 | PLN 8.35 | PLN 4.21 | PLN 5.28 | -21.3% | 599.3K | 252 |
| 2007 | PLN 14.40 | PLN 14.78 | PLN 5.40 | PLN 6.71 | n/a | 544.1K | 162 |
HEL monthly closes, last 12 months
| Month | Month end close | Change |
|---|---|---|
| September 2026 | PLN 54.20 | -6.6% |
| August 2026 | PLN 58.00 | +4.3% |
| July 2026 | PLN 55.60 | +6.5% |
| June 2026 | PLN 52.20 | -3.3% |
| May 2026 | PLN 54.00 | -1.1% |
| April 2026 | PLN 54.60 | +29.1% |
| March 2026 | PLN 42.30 | -15.2% |
| February 2026 | PLN 49.90 | +27.9% |
| January 2026 | PLN 39.00 | +24.6% |
| December 2025 | PLN 31.30 | +8.7% |
| November 2025 | PLN 28.80 | +8.7% |
| October 2025 | PLN 26.50 | +0.4% |
About the HEL data
Daily bars. 4,965 sessions from May 10, 2007 to Sep 29, 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 May 10, 2007, 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/HEL/bars?timeframe=1Day&adjustment=all&limit=50000" \
-H "X-API-Key: YOUR_KEY"Nearby on GPW
Common questions
HEL share price history
