Euronext Paris · ALTOO · stock
Toosla Société Anonyme (ALTOO) stock price history
Every Euronext Paris trading session of Toosla Société Anonyme from Dec 17, 2021 to Sep 28, 2026: 1,223 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.
ALTOO adjusted close, 2021 to 2026
- €3.37
- All time high, 2022
- €0.3850
- 52 week high, €0.0002 low
- 1,223
- Daily sessions since 2021
Last updated Sep 28, 2026, the last stored session. Refreshes after each trading day. Full 2021 to 2026 series and minute bars.
ALTOO key facts
- Toosla Société Anonyme (ALTOO) closed at €0.0004 on Sep 28, 2026 on Euronext Paris.
- ALTOO's all time high close is €3.37, set on Jan 10, 2022; its all time low close is €0.0004 on Sep 22, 2026.
- ALTOO's 52 week range is €0.0002 to €0.3850.
- ALTOO returned -99.9% over the year to Sep 28, 2026.
- Since Dec 17, 2021 ALTOO returned -100%, -84.7% a year compounded.
- ALTOO's deepest drawdown was -100.0% from Jan 10, 2022 to Sep 22, 2026.
- DataCedar holds 1,223 daily sessions of ALTOO history from Dec 17, 2021 and minute bars from Sep 17, 2026, adjusted for splits and dividends, served by the API under a key.
ALTOO price chart, 2021 to 2026
ALTOO returns
Price return from the last close on or before the window start to Sep 28, 2026, on adjusted closes.
| Period | Return |
|---|---|
| 1 month | -50.0% |
| 3 months | -84.6% |
| 6 months | -99.3% |
| Year to date | -99.5% |
| 1 year | -99.9% |
| 3 years | -100.0% |
| 5 years | n/a |
| 10 years | n/a |
| Since Dec 17, 2021 | -100.0% |
| Compound annual growth, 4.8 years | -84.7% |
ALTOO records
Measured on the stored closes; every figure is reproducible from the API series.
- All time high close
- €3.37 on Jan 10, 2022
- All time low close
- €0.0004 on Sep 22, 2026
- 52 week high
- €0.3850 on Oct 24, 2025
- 52 week low
- €0.0002 on Sep 28, 2026
- Deepest drawdown
- -100.0% from Jan 10, 2022 to Sep 22, 2026, not yet recovered
- Best single session
- +104.0% on Feb 12, 2026
- Worst single session
- -53.4% on Oct 30, 2025
- Volatility, 1 year annualised
- 229.3%
- Sessions closing higher, 1 year
- 26%
- Best calendar year
- 2024, -18%
- Worst calendar year
- 2025, -85%
ALTOO 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. 2021 starts on Dec 17, 2021; 2026 runs to Sep 28, 2026.
| Year | Open | High | Low | Close | Return | Volume | Sessions |
|---|---|---|---|---|---|---|---|
| 2026 | €0.0920 | €0.1550 | €0.0002 | €0.0004 | -99.6% | 1.5B | 189 |
| 2025 | €0.6200 | €0.7000 | €0.0502 | €0.0920 | -84.9% | 24.4M | 255 |
| 2024 | €0.7600 | €1.30 | €0.5520 | €0.6100 | -18.4% | 2.6M | 256 |
| 2023 | €2.36 | €2.84 | €0.5000 | €0.7480 | -68.3% | 1.4M | 255 |
| 2022 | €2.97 | €3.38 | €1.38 | €2.36 | -20.3% | 935.7K | 257 |
| 2021 | €3.00 | €3.66 | €2.85 | €2.96 | n/a | 647K | 11 |
ALTOO monthly closes, last 12 months
| Month | Month end close | Change |
|---|---|---|
| September 2026 | €0.0004 | -50.0% |
| August 2026 | €0.0008 | -55.6% |
| July 2026 | €0.0018 | -25.0% |
| June 2026 | €0.0024 | -75.5% |
| May 2026 | €0.0098 | -64.2% |
| April 2026 | €0.0274 | -49.3% |
| March 2026 | €0.0540 | -36.8% |
| February 2026 | €0.0854 | -14.6% |
| January 2026 | €0.1000 | +8.7% |
| December 2025 | €0.0920 | +31.4% |
| November 2025 | €0.0700 | -54.4% |
| October 2025 | €0.1535 | -59.1% |
About the ALTOO data
Daily bars. 1,223 sessions from Dec 17, 2021 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 Dec 17, 2021, 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/ALTOO/bars?timeframe=1Day&adjustment=all&limit=50000" \
-H "X-API-Key: YOUR_KEY"Nearby on Euronext Paris
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Common questions
ALTOO share price history
