Euronext Paris · ALNN6 · stock

ENENSYS Technologies SA (ALNN6) stock price history

Every Euronext Paris trading session of ENENSYS Technologies SA from Jun 1, 2018 to Sep 29, 2026: 2,134 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.

ALNN6 adjusted close, 2018 to 2026

ALNN6ENENSYS Technologies SA
€1.26+16.7% over one year
2020202220242026
€10.89
All time high, 2018
€1.47
52 week high, €0.8000 low
2,134
Daily sessions since 2018

Last updated Sep 29, 2026, the last stored session. Refreshes after each trading day. Full 2018 to 2026 series and minute bars.

ALNN6 key facts

  • ENENSYS Technologies SA (ALNN6) closed at €1.26 on Sep 29, 2026 on Euronext Paris.
  • ALNN6's all time high close is €10.89, set on Jun 11, 2018; its all time low close is €0.3399 on Aug 7, 2020.
  • ALNN6's 52 week range is €0.8000 to €1.47.
  • ALNN6 returned +16.7% over the year to Sep 29, 2026 and +21.4% over five years.
  • Since Jun 1, 2018 ALNN6 returned -88%, -22.7% a year compounded.
  • ALNN6's deepest drawdown was -96.9% from Jun 14, 2018 to Aug 7, 2020.
  • DataCedar holds 2,134 daily sessions of ALNN6 history from Jun 1, 2018 and minute bars from Sep 17, 2026, adjusted for splits and dividends, served by the API under a key.

ALNN6 price chart, 2018 to 2026

ALNN6 adjusted close, Jun 1, 2018 to Sep 29, 2026€0.3874€1.18€3.58€10.88201820192020202120222023202420252026
Adjusted daily close, log scale. 260 sampled points across the full history; the API serves every session.

ALNN6 returns

Price return from the last close on or before the window start to Sep 29, 2026, on adjusted closes.

PeriodReturn
1 month+8.6%
3 months+6.3%
6 months+41.6%
Year to date+8.2%
1 year+16.7%
3 years+60.2%
5 years+21.4%
10 yearsn/a
Since Jun 1, 2018-88.3%
Compound annual growth, 8.3 years-22.7%

ALNN6 records

Measured on the stored closes; every figure is reproducible from the API series.

All time high close
€10.89 on Jun 11, 2018
All time low close
€0.3399 on Aug 7, 2020
52 week high
€1.47 on Jun 11, 2026
52 week low
€0.8000 on Mar 9, 2026
Deepest drawdown
-96.9% from Jun 14, 2018 to Aug 7, 2020, not yet recovered
Best single session
+100.0% on Aug 24, 2020
Worst single session
-38.3% on Sep 11, 2018
Volatility, 1 year annualised
61.8%
Sessions closing higher, 1 year
42%
Best calendar year
2024, +51%
Worst calendar year
2019, -76%

ALNN6 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 1, 2018; 2026 runs to Sep 29, 2026.

YearOpenHighLowCloseReturnVolumeSessions
2026€1.22€1.47€0.8000€1.26+2.9%2.5M190
2025€1.03€1.61€0.8500€1.23+20.4%4.5M255
2024€0.6720€1.02€0.5139€1.02+51.5%4.1M256
2023€0.6878€1.73€0.4546€0.6720-4.2%4.8M255
2022€1.46€1.63€0.6344€0.7016-53.2%5.8M257
2021€1.04€1.82€0.8755€1.50+44.6%1.8M258
2020€0.8479€2.14€0.3360€1.04+22.1%18M257
2019€3.49€3.66€0.7807€0.8498-75.6%904.4K256
2018€10.77€10.90€3.30€3.49n/a447.6K150

ALNN6 monthly closes, last 12 months

MonthMonth end closeChange
September 2026€1.26+9.6%
August 2026€1.15-8.7%
July 2026€1.26+9.1%
June 2026€1.15-11.2%
May 2026€1.30+15.0%
April 2026€1.13+27.3%
March 2026€0.8880-2.8%
February 2026€0.9140-2.8%
January 2026€0.9400-23.3%
December 2025€1.23+23.2%
November 2025€0.9940+1.4%
October 2025€0.9800-9.3%

About the ALNN6 data

Daily bars. 2,134 sessions from Jun 1, 2018 to Sep 29, 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 1, 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/ALNN6/bars?timeframe=1Day&adjustment=all&limit=50000" \
  -H "X-API-Key: YOUR_KEY"

Nearby on Euronext Paris

Common questions

ALNN6 share price history

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