Euronext Paris · ALGEN · stock
genOway Société anonyme (ALGEN) stock price history
Every Euronext Paris trading session of genOway Société anonyme from May 7, 2007 to Sep 28, 2026: 4,964 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.
ALGEN adjusted close, 2007 to 2026
- €7.39
- All time high, 2007
- €3.07
- 52 week high, €2.10 low
- 4,964
- Daily sessions since 2007
Last updated Sep 28, 2026, the last stored session. Refreshes after each trading day. Full 2007 to 2026 series and minute bars.
ALGEN key facts
- genOway Société anonyme (ALGEN) closed at €2.34 on Sep 28, 2026 on Euronext Paris.
- ALGEN's all time high close is €7.39, set on May 29, 2007; its all time low close is €0.9200 on Feb 2, 2009.
- ALGEN's 52 week range is €2.10 to €3.07.
- ALGEN returned -21.5% over the year to Sep 28, 2026 and -40.8% over five years.
- Over ten years ALGEN returned +34%, +2.9% a year compounded.
- ALGEN's deepest drawdown was -87.6% from May 29, 2007 to Feb 2, 2009.
- DataCedar holds 4,964 daily sessions of ALGEN history from May 7, 2007 and minute bars from Sep 17, 2026, adjusted for splits and dividends, served by the API under a key.
ALGEN price chart, 2007 to 2026
ALGEN returns
Price return from the last close on or before the window start to Sep 28, 2026, on adjusted closes.
| Period | Return |
|---|---|
| 1 month | -5.3% |
| 3 months | +1.3% |
| 6 months | -3.7% |
| Year to date | -15.5% |
| 1 year | -21.5% |
| 3 years | -43.2% |
| 5 years | -40.8% |
| 10 years | +33.7% |
| Since May 7, 2007 | -61.1% |
| Compound annual growth, 19.4 years | -4.7% |
ALGEN records
Measured on the stored closes; every figure is reproducible from the API series.
- All time high close
- €7.39 on May 29, 2007
- All time low close
- €0.9200 on Feb 2, 2009
- 52 week high
- €3.07 on Oct 8, 2025
- 52 week low
- €2.10 on Nov 18, 2025
- Deepest drawdown
- -87.6% from May 29, 2007 to Feb 2, 2009, not yet recovered
- Best single session
- +177.0% on Apr 14, 2020
- Worst single session
- -35.6% on Apr 15, 2020
- Volatility, 1 year annualised
- 38.6%
- Sessions closing higher, 1 year
- 34%
- Best calendar year
- 2020, +148%
- Worst calendar year
- 2008, -75%
ALGEN 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 7, 2007; 2026 runs to Sep 28, 2026.
| Year | Open | High | Low | Close | Return | Volume | Sessions |
|---|---|---|---|---|---|---|---|
| 2026 | €2.71 | €2.79 | €2.18 | €2.34 | -13.7% | 1.3M | 189 |
| 2025 | €3.78 | €3.97 | €2.10 | €2.71 | -27.7% | 1.5M | 255 |
| 2024 | €4.60 | €4.91 | €3.24 | €3.75 | -18.5% | 2.1M | 256 |
| 2023 | €3.98 | €4.70 | €3.50 | €4.60 | +15.0% | 1.8M | 255 |
| 2022 | €4.37 | €4.72 | €2.64 | €4.00 | -6.8% | 2.2M | 257 |
| 2021 | €3.08 | €4.86 | €3.00 | €4.29 | +38.4% | 12M | 258 |
| 2020 | €1.25 | €7.70 | €1.00 | €3.10 | +148.0% | 30.3M | 257 |
| 2019 | €2.16 | €2.67 | €1.06 | €1.25 | -42.1% | 1.8M | 256 |
| 2018 | €2.00 | €2.90 | €1.58 | €2.16 | +8.0% | 2.2M | 255 |
| 2017 | €1.78 | €2.51 | €1.65 | €2.00 | +11.7% | 4.2M | 255 |
| 2016 | €1.79 | €2.07 | €1.30 | €1.79 | -0.6% | 2.5M | 257 |
| 2015 | €2.00 | €3.20 | €1.68 | €1.80 | -10.0% | 6.3M | 255 |
| 2014 | €1.60 | €3.25 | €1.55 | €2.00 | +25.0% | 4.6M | 256 |
| 2013 | €1.74 | €2.25 | €1.32 | €1.60 | -8.6% | 1.8M | 255 |
| 2012 | €2.34 | €3.20 | €1.62 | €1.75 | -25.2% | 1.8M | 254 |
| 2011 | €2.77 | €4.00 | €1.83 | €2.34 | -15.5% | 4.7M | 257 |
| 2010 | €2.93 | €3.36 | €2.42 | €2.77 | -5.5% | 3M | 256 |
| 2009 | €1.40 | €3.65 | €0.8400 | €2.93 | +109.3% | 3.7M | 256 |
| 2008 | €5.65 | €5.86 | €1.30 | €1.40 | -75.0% | 995.7K | 256 |
| 2007 | €5.93 | €7.75 | €5.00 | €5.60 | n/a | 1.9M | 169 |
ALGEN monthly closes, last 12 months
| Month | Month end close | Change |
|---|---|---|
| September 2026 | €2.34 | -5.6% |
| August 2026 | €2.48 | +1.6% |
| July 2026 | €2.44 | +3.0% |
| June 2026 | €2.37 | -0.8% |
| May 2026 | €2.39 | 0.0% |
| April 2026 | €2.39 | -4.4% |
| March 2026 | €2.50 | +2.5% |
| February 2026 | €2.44 | -1.2% |
| January 2026 | €2.47 | -8.9% |
| December 2025 | €2.71 | +6.3% |
| November 2025 | €2.55 | -6.9% |
| October 2025 | €2.74 | -8.4% |
About the ALGEN data
Daily bars. 4,964 sessions from May 7, 2007 to Sep 28, 2026, one row per Euronext Paris 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 Euronext Paris trading days; minute timestamps are UTC. Prices are in EUR. 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 7, 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/ALGEN/bars?timeframe=1Day&adjustment=all&limit=50000" \
-H "X-API-Key: YOUR_KEY"Nearby on Euronext Paris
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Common questions
ALGEN share price history
