Borsa Italiana · 1CLSK · stock
CleanSpark, Inc. (1CLSK) stock price history
Every Borsa Italiana trading session of CleanSpark, Inc. from May 13, 2025 to Nov 11, 2026: 269 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.
1CLSK adjusted close, 2025 to 2026
- €19.58
- All time high, 2025
- €16.50
- 52 week high, €5.14 low
- 269
- Daily sessions since 2025
Last updated Nov 11, 2026, the last stored session. Refreshes after each trading day. Full 2025 to 2026 series and minute bars.
1CLSK key facts
- CleanSpark, Inc. (1CLSK) closed at €5.92 on Nov 11, 2026 on Borsa Italiana.
- 1CLSK's all time high close is €19.58, set on Oct 15, 2025; its all time low close is €5.19 on Nov 6, 2026.
- 1CLSK's 52 week range is €5.14 to €16.50.
- 1CLSK returned -51.3% over the year to Nov 11, 2026.
- Since May 13, 2025 1CLSK returned -31%, -22.2% a year compounded.
- 1CLSK's deepest drawdown was -73.5% from Oct 15, 2025 to Nov 6, 2026.
- DataCedar holds 269 daily sessions of 1CLSK history from May 13, 2025 and minute bars from Sep 17, 2026, adjusted for splits and dividends, served by the API under a key.
1CLSK price chart, 2025 to 2026
1CLSK returns
Price return from the last close on or before the window start to Nov 11, 2026, on adjusted closes.
| Period | Return |
|---|---|
| 1 month | -47.9% |
| 3 months | -45.1% |
| 6 months | -52.6% |
| Year to date | -35.7% |
| 1 year | -51.3% |
| 3 years | n/a |
| 5 years | n/a |
| 10 years | n/a |
| Since May 13, 2025 | -31.4% |
| Compound annual growth, 1.5 years | -22.2% |
1CLSK records
Measured on the stored closes; every figure is reproducible from the API series.
- All time high close
- €19.58 on Oct 15, 2025
- All time low close
- €5.19 on Nov 6, 2026
- 52 week high
- €16.50 on Jun 22, 2026
- 52 week low
- €5.14 on Nov 6, 2026
- Deepest drawdown
- -73.5% from Oct 15, 2025 to Nov 6, 2026, not yet recovered
- Best single session
- +37.6% on Sep 19, 2025
- Worst single session
- -18.5% on Oct 12, 2026
- Volatility, 1 year annualised
- 108.0%
- Sessions closing higher, 1 year
- 42%
1CLSK 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. 2025 starts on May 13, 2025; 2026 runs to Nov 11, 2026.
| Year | Open | High | Low | Close | Return | Volume | Sessions |
|---|---|---|---|---|---|---|---|
| 2026 | €10.14 | €16.50 | €5.14 | €5.92 | -35.7% | 1M | 166 |
| 2025 | €8.63 | €20.90 | €7.72 | €9.20 | n/a | 436.7K | 103 |
1CLSK monthly closes, last 12 months
| Month | Month end close | Change |
|---|---|---|
| November 2026 | €5.92 | -18.9% |
| October 2026 | €7.30 | -38.9% |
| September 2026 | €11.94 | +9.5% |
| August 2026 | €10.90 | -9.8% |
| July 2026 | €12.08 | -10.5% |
| June 2026 | €13.50 | -10.5% |
| May 2026 | €15.08 | +43.1% |
| April 2026 | €10.54 | +41.4% |
| March 2026 | €7.45 | -14.5% |
| February 2026 | €8.71 | -14.7% |
| January 2026 | €10.22 | +11.0% |
| December 2025 | €9.20 | -30.4% |
About the 1CLSK data
Daily bars. 269 sessions from May 13, 2025 to Nov 11, 2026, one row per Borsa Italiana 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 Oct 2, 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 Borsa Italiana 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 13, 2025, 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/borsa-italiana%3A1CLSK/bars?timeframe=1Day&adjustment=all&limit=50000" \
-H "X-API-Key: YOUR_KEY"Nearby on Borsa Italiana
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Common questions
1CLSK share price history
