Axcelis Technologies, Inc. (ACLS) Stock Chart
ACLS price chart
Daily prices adjusted for splits and dividends. 1D and 5D show delayed intraday prices. Markers: E earnings, D dividend, S split.
Technical snapshot
Key levels & statistics
ACLS performance vs the market
Total return, dividends reinvestedACLS monthly returns
ACLS historical prices
ACLS dividends & splits
About the ACLS chart
Axcelis Technologies (ACLS) closed at $108.35 on October 16, 2026, up 34.9% so far this year. The stock is trading 11.3% below its 200-day moving average of $122.19, which technical analysts usually read as a long-term downtrend. Over the past year ACLS returned +29.6% including dividends, ahead of the S&P 500 (+16.8%).
This page charts the full trading history of Axcelis Technologies, Inc. stock. Daily prices come from EODHD and are adjusted for stock splits and dividends, so returns over long periods are comparable. For the latest quote, company profile, earnings and news, see the ACLS stock overview.
ACLS chart FAQ
What is Axcelis Technologies's all-time high stock price?
The highest closing price for ACLS was $200.48 on July 31, 2023 (adjusted for stock splits). As of the October 16, 2026 close it traded 46.0% below that level.
What is the 52-week range of ACLS stock?
Over the 52 weeks to October 16, 2026, ACLS traded between an intraday low of $73.60 on November 21, 2025 and an intraday high of $193.78 on June 15, 2026.
Is ACLS above its 200-day moving average?
No. On October 16, 2026 ACLS closed at $108.35, 11.3% below its 200-day simple moving average of $122.19. The 50-day average was $123.79.
How has ACLS stock performed compared with the S&P 500?
Including reinvested dividends, ACLS returned +29.6% over the past year, compared with +16.8% for the S&P 500 (SPY). Over five years the figures were +119.5% and +83.0%.
Does Axcelis Technologies pay a dividend?
Axcelis Technologies has not paid a dividend in the past 12 months.
Has ACLS stock ever split?
ACLS has split its stock 1 time: 1:4 (July 1, 2016). Prices on this chart are adjusted for all splits.
How do I read the ACLS chart?
Pick a time range above the chart and choose candlesticks, a line or an area chart. Moving averages, Bollinger Bands, volume, RSI and MACD can be switched on with the indicator buttons, and "Compare" plots ACLS against the S&P 500, its sector or a competitor as a percentage change. Chart prices are adjusted for splits and dividends.