Borsa Italiana · 1ACLS · stock
Axcelis Technologies, Inc. (1ACLS) stock price history
Every Borsa Italiana trading session of Axcelis Technologies, Inc. from May 13, 2025 to Sep 28, 2026: 351 daily bars, adjusted for splits and dividends, with minute bars from Sep 18, 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.
1ACLS adjusted close, 2025 to 2026
- €166.05
- All time high, 2026
- €167.00
- 52 week high, €65.00 low
- 351
- Daily sessions since 2025
Last updated Sep 28, 2026, the last stored session. Refreshes after each trading day. Full 2025 to 2026 series and minute bars.
1ACLS key facts
- Axcelis Technologies, Inc. (1ACLS) closed at €107.00 on Sep 28, 2026 on Borsa Italiana.
- 1ACLS's all time high close is €166.05, set on Jun 19, 2026; its all time low close is €51.12 on May 29, 2025.
- 1ACLS's 52 week range is €65.00 to €167.00.
- 1ACLS returned +29.9% over the year to Sep 28, 2026.
- Since May 13, 2025 1ACLS returned +87%, +57.7% a year compounded.
- 1ACLS's deepest drawdown was -45.7% from Jun 19, 2026 to Sep 15, 2026.
- DataCedar holds 351 daily sessions of 1ACLS history from May 13, 2025 and minute bars from Sep 18, 2026, adjusted for splits and dividends, served by the API under a key.
1ACLS price chart, 2025 to 2026
1ACLS returns
Price return from the last close on or before the window start to Sep 28, 2026, on adjusted closes.
| Period | Return |
|---|---|
| 1 month | +4.4% |
| 3 months | -29.0% |
| 6 months | +22.9% |
| Year to date | +53.8% |
| 1 year | +29.9% |
| 3 years | n/a |
| 5 years | n/a |
| 10 years | n/a |
| Since May 13, 2025 | +87.2% |
| Compound annual growth, 1.4 years | +57.7% |
1ACLS records
Measured on the stored closes; every figure is reproducible from the API series.
- All time high close
- €166.05 on Jun 19, 2026
- All time low close
- €51.12 on May 29, 2025
- 52 week high
- €167.00 on Jun 16, 2026
- 52 week low
- €65.00 on Dec 18, 2025
- Deepest drawdown
- -45.7% from Jun 19, 2026 to Sep 15, 2026, not yet recovered
- Best single session
- +16.7% on Jun 9, 2025
- Worst single session
- -27.0% on Jul 7, 2026
- Volatility, 1 year annualised
- 65.5%
- Sessions closing higher, 1 year
- 29%
1ACLS 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 Sep 28, 2026.
| Year | Open | High | Low | Close | Return | Volume | Sessions |
|---|---|---|---|---|---|---|---|
| 2026 | €69.56 | €167.00 | €66.00 | €107.00 | +53.8% | 7.8K | 189 |
| 2025 | €56.62 | €90.46 | €51.12 | €69.56 | n/a | 6.6K | 162 |
1ACLS monthly closes, last 12 months
| Month | Month end close | Change |
|---|---|---|
| September 2026 | €107.00 | +4.4% |
| August 2026 | €102.45 | -5.1% |
| July 2026 | €107.95 | -28.4% |
| June 2026 | €150.80 | +16.1% |
| May 2026 | €129.85 | +12.9% |
| April 2026 | €115.00 | +32.1% |
| March 2026 | €87.06 | +26.3% |
| February 2026 | €68.92 | -8.1% |
| January 2026 | €74.96 | +7.8% |
| December 2025 | €69.56 | -2.5% |
| November 2025 | €71.34 | +0.0% |
| October 2025 | €71.32 | -13.4% |
About the 1ACLS data
Daily bars. 351 sessions from May 13, 2025 to Sep 28, 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 18, 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 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/1ACLS/bars?timeframe=1Day&adjustment=all&limit=50000" \
-H "X-API-Key: YOUR_KEY"Nearby on Borsa Italiana
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Common questions
1ACLS share price history
