Euronext Paris · ALKAL · stock
Kalray S.A. (ALKAL) stock price history
Every Euronext Paris trading session of Kalray S.A. from Jun 12, 2018 to Sep 28, 2026: 2,126 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.
ALKAL adjusted close, 2018 to 2026
- €49.10
- All time high, 2021
- €16.00
- 52 week high, €0.6400 low
- 2,126
- Daily sessions since 2018
Last updated Sep 28, 2026, the last stored session. Refreshes after each trading day. Full 2018 to 2026 series and minute bars.
ALKAL key facts
- Kalray S.A. (ALKAL) closed at €4.36 on Sep 28, 2026 on Euronext Paris.
- ALKAL's all time high close is €49.10, set on Feb 8, 2021; its all time low close is €0.4200 on May 20, 2025.
- ALKAL's 52 week range is €0.6400 to €16.00.
- ALKAL returned +306.4% over the year to Sep 28, 2026 and -87.7% over five years.
- Since Jun 12, 2018 ALKAL returned -80%, -17.7% a year compounded.
- ALKAL's deepest drawdown was -99.1% from Feb 8, 2021 to May 20, 2025.
- DataCedar holds 2,126 daily sessions of ALKAL history from Jun 12, 2018 and minute bars from Sep 17, 2026, adjusted for splits and dividends, served by the API under a key.
ALKAL price chart, 2018 to 2026
ALKAL returns
Price return from the last close on or before the window start to Sep 28, 2026, on adjusted closes.
| Period | Return |
|---|---|
| 1 month | -23.4% |
| 3 months | -45.6% |
| 6 months | +29.0% |
| Year to date | +263.7% |
| 1 year | +306.4% |
| 3 years | -80.0% |
| 5 years | -87.7% |
| 10 years | n/a |
| Since Jun 12, 2018 | -80.2% |
| Compound annual growth, 8.3 years | -17.7% |
ALKAL records
Measured on the stored closes; every figure is reproducible from the API series.
- All time high close
- €49.10 on Feb 8, 2021
- All time low close
- €0.4200 on May 20, 2025
- 52 week high
- €16.00 on Jun 1, 2026
- 52 week low
- €0.6400 on Nov 21, 2025
- Deepest drawdown
- -99.1% from Feb 8, 2021 to May 20, 2025, not yet recovered
- Best single session
- +109.7% on Nov 28, 2024
- Worst single session
- -40.7% on Nov 29, 2024
- Volatility, 1 year annualised
- 125.2%
- Sessions closing higher, 1 year
- 46%
- Best calendar year
- 2019, +87%
- Worst calendar year
- 2024, -95%
ALKAL 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. 2018 starts on Jun 12, 2018; 2026 runs to Sep 28, 2026.
| Year | Open | High | Low | Close | Return | Volume | Sessions |
|---|---|---|---|---|---|---|---|
| 2026 | €1.18 | €16.00 | €1.12 | €4.36 | +269.9% | 84.6M | 189 |
| 2025 | €1.06 | €1.41 | €0.4020 | €1.18 | +12.4% | 27.2M | 255 |
| 2024 | €20.80 | €23.20 | €0.8100 | €1.05 | -94.9% | 21.7M | 256 |
| 2023 | €17.38 | €32.90 | €15.28 | €20.75 | +19.7% | 7.1M | 255 |
| 2022 | €31.60 | €37.70 | €13.30 | €17.34 | -45.3% | 3.9M | 257 |
| 2021 | €30.00 | €52.40 | €27.60 | €31.70 | +5.7% | 3.8M | 258 |
| 2020 | €20.50 | €30.70 | €12.50 | €30.00 | +40.2% | 1.2M | 257 |
| 2019 | €11.55 | €21.90 | €11.45 | €21.40 | +86.9% | 679.1K | 256 |
| 2018 | €22.30 | €22.30 | €9.55 | €11.45 | n/a | 410.7K | 143 |
ALKAL monthly closes, last 12 months
| Month | Month end close | Change |
|---|---|---|
| September 2026 | €4.36 | -23.2% |
| August 2026 | €5.68 | -18.9% |
| July 2026 | €7.00 | -20.1% |
| June 2026 | €8.76 | -32.6% |
| May 2026 | €13.00 | +60.9% |
| April 2026 | €8.08 | +169.3% |
| March 2026 | €3.00 | -33.8% |
| February 2026 | €4.53 | +74.2% |
| January 2026 | €2.60 | +120.3% |
| December 2025 | €1.18 | +51.7% |
| November 2025 | €0.7780 | -23.7% |
| October 2025 | €1.02 | -5.0% |
About the ALKAL data
Daily bars. 2,126 sessions from Jun 12, 2018 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 Jun 12, 2018, 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/ALKAL/bars?timeframe=1Day&adjustment=all&limit=50000" \
-H "X-API-Key: YOUR_KEY"Nearby on Euronext Paris
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Common questions
ALKAL share price history
