ACLS stock forecast, quote, news & analysis
Axcelis Technologies Inc designs, manufactures, and services ion implantation and other processing equipment used in the fabrication of semiconductor chips... Show more
Why Axcelis Technologies (ACLS) Stock Is Down -13% in the Last 30 Days
Key Takeaways
- Axcelis Technologies (ACLS) shares have declined roughly 13% over the trailing 30 days, from about $123 to near $106.58, even after rallying to a recent peak above $147 in early October.
- The retreat reflects margin pressure, a premium valuation, and China concentration risk outweighing an otherwise improving demand backdrop.
- Second-quarter 2026 results beat expectations, with revenue up 10.6% year over year and non-GAAP EPS of $1.06, and management raised its full-year outlook to mid-single-digit growth.
- Non-GAAP gross margin narrowed to 42.7% from 45.2% a year earlier, and China accounted for 46% of second-quarter revenue, keeping investors focused on execution and concentration risk.
- The pending all-stock merger with Veeco Instruments and its outstanding regulatory approval remain central to the stock's investment narrative.
- For more context on valuation, results, and expectations, explore Axcelis' Price Targets, Earnings, and Forecast pages.
- To see how automated strategies approach this stock, visit Tickeron's Trending AI Robots.
Axcelis Technologies (ACLS) Company Overview and Market Position
Axcelis Technologies, headquartered in Beverly, Massachusetts, designs, manufactures, and services ion implantation systems—one of the most critical process steps in semiconductor fabrication. Its Purion platform spans high-current, medium-current, and high-energy implanters used across power devices (including silicon carbide), memory, mature-node chips, image sensors, and advanced logic. A growing aftermarket business, Customer Solutions & Innovation (CS&I), provides spare parts, upgrades, and services across a large installed base. Axcelis competes primarily with Applied Materials in ion implantation and is pursuing an all-stock merger with Veeco Instruments to broaden its product portfolio.
Axcelis Technologies (ACLS) Stock Price Performance: Last 30 Days vs. Quarter
Over the last 30 days, ACLS has fallen about 13%, from a close of $123.11 on September 25 to $106.58 on October 23. The path was not linear: shares climbed to an intraday peak near $150 in early October before reversing sharply through the rest of the month, ending the period near its lows.
The broader three-month trend shows deeper losses. From a close of $141.51 in late July to $106.58 on October 23, the stock has declined roughly 25%, with pronounced swings between roughly $112 and $178 earlier in the quarter. The overall pattern is one of elevated volatility and a downward drift despite a firmer demand outlook.
What Drove ACLS Stock Price in the Last 30 Days
The recent decline followed a strong early-October rally, suggesting profit-taking as well as fundamental concerns. Second-quarter 2026 results, reported in August, beat expectations—revenue rose 10.6% year over year to $215.2 million and non-GAAP EPS reached $1.06—and management raised its full-year 2026 revenue outlook to mid-single-digit growth. However, profitability lagged, with non-GAAP gross margin slipping to 42.7% from 45.2% a year earlier.
Investors weighed that improving demand against still-recovering margins, a forward earnings multiple above the industry average, and meaningful China exposure (46% of second-quarter revenue). Uncertainty around the pending Veeco merger, which still requires regulatory approval from China, added to the volatility. In September, Axcelis also finalized plans for a $35 million ion implantation facility expansion in Pyeongtaek, South Korea, underscoring its push into the memory manufacturing belt serving customers such as Samsung and SK hynix.
What Drove ACLS Stock Performance Over the Last Quarter
The quarterly trend has been shaped by a recovering order picture colliding with incomplete margin recovery. Bookings stabilized near a 1.0 book-to-bill ratio, and management cited strengthening demand in power and mature-node markets, along with expectations for significant memory growth in 2026 driven by DRAM and high-bandwidth memory for AI workloads. Against this, gross margin remains below prior-year levels, systems backlog declined from roughly $575.7 million to about $452 million year over year, and customer concentration remains high. The broader semiconductor equipment backdrop—where peers such as Lam Research have reported record demand—supports the recovery narrative, but Axcelis' premium valuation and concentration risks have kept the stock volatile.
Trending AI Robots
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ACLS Stock Forecast Drivers: What Investors Should Watch Next
Looking ahead, investors will monitor third-quarter 2026 results, expected in early November, against guidance of approximately $230 million in revenue and non-GAAP EPS near $1.11. The completion of the Veeco merger and its outstanding regulatory approval remain pivotal, as does the trajectory of gross margin. Demand trends in power, silicon carbide, and memory, along with any changes to U.S. export-control policy affecting China shipments, will be key variables. Customer concentration, backlog rebuild, and the pace of the South Korean capacity expansion are additional factors that could shape the stock's next move.
Disclaimer
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ACLS in downward trend: price dove below 50-day moving average on October 13, 2026
ACLS moved below its 50-day moving average on October 13, 2026 date and that indicates a change from an upward trend to a downward trend. In 27 of 31 similar past instances, the stock price decreased further within the following month. The odds of a continued downward trend are 87%.
Technical Analysis (Indicators)
Bearish Trend Analysis
The Momentum Indicator moved below the 0 level on October 13, 2026. You may want to consider selling the stock, shorting the stock, or exploring put options on ACLS as a result. In 67 of 86 cases where the Momentum Indicator fell below 0, the stock fell further within the subsequent month. The odds of a continued downward trend are 78%.
The Moving Average Convergence Divergence Histogram (MACD) for ACLS turned negative on October 13, 2026. This could be a sign that the stock is set to turn lower in the coming weeks. Traders may want to sell the stock or buy put options. Tickeron's A.I.dvisor looked at 49 similar instances when the indicator turned negative. In 40 of the 49 cases the stock turned lower in the days that followed. This puts the odds of success at 82%.
The 10-day moving average for ACLS crossed bearishly below the 50-day moving average on October 20, 2026. This indicates that the trend has shifted lower and could be considered a sell signal. In 12 of 15 past instances when the 10-day crossed below the 50-day, the stock continued to move higher over the following month. The odds of a continued downward trend are 80%.
The 50-day moving average for ACLS moved below the 200-day moving average on October 21, 2026. This could be a long-term bearish signal for the stock as the stock shifts to an downward trend.
Following a 3-day decline, the stock is projected to fall further. Considering past instances where ACLS declined for three days, the price rose further in 50 of 62 cases within the following month. The odds of a continued downward trend are 79%.
The Aroon Indicator for ACLS entered a downward trend on November 04, 2026. This could indicate a strong downward move is ahead for the stock. Traders may want to consider selling the stock or buying put options.
Bullish Trend Analysis
The RSI Indicator entered the oversold zone -- be on the watch for ACLS's price rising or consolidating in the future. That's also the time to consider buying the stock or exploring call options.
The Stochastic Oscillator demonstrated that the ticker has stayed in the oversold zone for 2 days, which means it's wise to expect a price bounce in the near future.
Following a +4.23% 3-day Advance, the price is estimated to grow further. Considering data from situations where ACLS advanced for three days, in 258 of 307 cases, the price rose further within the following month. The odds of a continued upward trend are 84%.
ACLS may jump back above the lower band and head toward the middle band. Traders may consider buying the stock or exploring call options.
Fundamental Analysis (Ratings)
The Tickeron PE Growth Rating for this company is 8 (best 1 - 100 worst), pointing to outstanding earnings growth. The PE Growth rating is based on a comparative analysis of stock PE ratio increase over the last 12 months compared against S&P 500 index constituents.
The Tickeron Seasonality Score of 50 (best 1 - 100 worst) indicates that the company is fair valued in the industry. The Tickeron Seasonality score describes the variance of predictable price changes around the same period every calendar year. These changes can be tied to a specific month, quarter, holiday or vacation period, as well as a meteorological or growing season.
The Tickeron Valuation Rating of 58 (best 1 - 100 worst) indicates that the company is fair valued in the industry. This rating compares market capitalization estimated by our proprietary formula with the current market capitalization. This rating is based on the following metrics, as compared to industry averages: P/B Ratio (2.670) is normal, around the industry mean (6.097). P/E Ratio (30.713) is within average values for comparable stocks, (79.345). Projected Growth (PEG Ratio) (0.330) is also within normal values, averaging (0.801). Dividend Yield (0.000) settles around the average of (0.009) among similar stocks. P/S Ratio (3.733) is also within normal values, averaging (27.897).
The Tickeron Price Growth Rating for this company is 65 (best 1 - 100 worst), indicating fairly steady price growth. ACLS’s price grows at a lower rate over the last 12 months as compared to S&P 500 index constituents.
The Tickeron SMR rating for this company is 75 (best 1 - 100 worst), indicating weak sales and an unprofitable business model. SMR (Sales, Margin, Return on Equity) rating is based on comparative analysis of weighted Sales, Income Margin and Return on Equity values compared against S&P 500 index constituents. The weighted SMR value is a proprietary formula developed by Tickeron and represents an overall profitability measure for a stock.
The Tickeron Profit vs. Risk Rating rating for this company is 80 (best 1 - 100 worst), indicating that the returns do not compensate for the risks. ACLS’s unstable profits reported over time resulted in significant Drawdowns within these last five years. A stable profit reduces stock drawdown and volatility. The average Profit vs. Risk Rating rating for the industry is 76, placing this stock worse than average.
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General Information
a manufacturer of semiconductor equipment
Industry ElectronicProductionEquipment