ACLS
Axcelis Technologies Inc. Technology - Semiconductor Equipment Investor Relations →
Axcelis Technologies Inc. (ACLS) closed at $84.43 as of 2026-03-20, trading 15.3% below its 200-week moving average of $99.65. This places ACLS in the extreme value zone. The stock moved further from the line this week, up from -16.4% last week. The 14-week RSI sits at 49, indicating neutral momentum.
Trading volume is running at 1.2x of its 14-week average, which is in the normal range. The balance between buying and selling volume (0.84 ratio) is neutral — neither side is clearly dominating.
Over the past 1292 weeks of data, ACLS has crossed below its 200-week moving average 18 times. On average, these episodes lasted 36 weeks. Historically, investors who bought ACLS at the start of these episodes saw an average one-year return of +7.8%.
With a market cap of $2.6 billion, ACLS is a mid-cap stock. The company generates a free cash flow yield of 2.7%. Return on equity stands at 11.7%. The stock trades at 2.5x book value.
The company has been aggressively buying back shares, reducing its share count by 6.3% over the past three years.
Over the past 24.8 years, a hypothetical investment of $100 in ACLS would have grown to $143, compared to $831 for the S&P 500. ACLS has returned 1.4% annualized vs 8.9% for the index, underperforming the broader market over this period.
Free cash flow has been declining at a -19.5% compound annual rate. A deteriorating cash flow trend warrants extra scrutiny — the stock may be cheap for a reason.
Business Health
Annual financials — how the underlying business has performed over the past several years.
Cash Flow Free cash flow & net income ($M)
Revenue Annual revenue ($M) — business growth proxy
Total Debt Balance sheet debt ($M)
ROIC Return on invested capital (%)
FCF Yield Free cash flow / market cap (%) — Yartseva signal
Gross Margin Pricing power & competitive moat (%)
Shares Outstanding Buybacks vs dilution (millions)
Growth of $100: ACLS vs S&P 500
Monthly data normalized to $100 at start. Vertical dashed lines mark 200-week MA touches.
What Happens After ACLS Crosses Below the Line?
Across 18 historical episodes, buying ACLS when it crossed below its 200-week moving average produced an average return of +6.4% after 12 months (median -20.0%), compared to +8.6% for the S&P 500 over the same periods. 33% of those episodes were profitable after one year. After 24 months, the average return was +26.0% vs +19.1% for the index.
Each line shows $100 invested at the moment ACLS crossed below its 200-week MA. Bold blue = stock average. Gray dashed = S&P 500 average over same periods.
Historical Touches
ACLS has crossed below its 200-week MA 18 times with an average 1-year return of +7.8% after recovery.
| Crossed Below | Recovered | Weeks | Max Depth | 1-Year Return | Return Since Touch |
|---|---|---|---|---|---|
| Sep 2001 | Oct 2001 | 5 | 30.5% | -44.2% | +134.5% |
| Nov 2001 | Nov 2001 | 1 | 0.2% | -52.3% | +64.9% |
| Feb 2002 | Feb 2002 | 3 | 12.3% | -49.0% | +72.3% |
| May 2002 | Oct 2003 | 75 | 67.3% | -61.5% | +63.4% |
| Dec 2003 | Jan 2004 | 5 | 5.9% | -21.0% | +108.0% |
| Mar 2004 | Mar 2004 | 2 | 5.2% | -23.2% | +103.2% |
| Apr 2004 | May 2004 | 3 | 0.8% | -36.8% | +101.8% |
| Jul 2004 | Feb 2007 | 135 | 50.9% | -23.9% | +122.7% |
| Feb 2007 | Dec 2010 | 197 | 96.3% | -20.5% | +191.9% |
| Jan 2011 | Feb 2011 | 1 | 1.5% | -35.3% | +659.3% |
| Mar 2011 | May 2013 | 116 | 46.4% | -35.1% | +740.9% |
| Apr 2014 | May 2014 | 3 | 8.7% | +49.1% | +1120.1% |
| Jul 2014 | Aug 2014 | 4 | 2.1% | +59.0% | +1120.1% |
| Dec 2018 | Dec 2018 | 1 | 6.8% | +56.5% | +432.7% |
| May 2019 | Oct 2019 | 24 | 19.6% | +50.2% | +383.0% |
| Mar 2020 | Apr 2020 | 4 | 31.4% | +182.9% | +520.8% |
| Sep 2020 | Sep 2020 | 1 | 4.3% | +137.6% | +311.9% |
| Oct 2024 | Ongoing | 74+ | 55.0% | Ongoing | -6.1% |
| Average | 36 | — | +7.8% | — |
Frequently Asked Questions
Is ACLS below its 200-week moving average?
Yes. As of 2026-03-20, Axcelis Technologies Inc. (ACLS) is trading 15.3% below its 200-week moving average of $99.65. The current price is $84.43.
What is ACLS's 200-week moving average price?
Axcelis Technologies Inc.'s 200-week moving average is $99.65 as of 2026-03-20. This is the average weekly closing price over roughly the last 4 years, and it acts as a long-term trend line. When a stock drops below this level, it can signal that the price has fallen far enough from the long-term trend to attract value-oriented investors.
What happens when ACLS drops below its 200-week moving average?
ACLS has crossed below its 200-week moving average 18 times in our data. On average, buying at that moment produced a one-year return of +7.8%. These dips have historically been decent entry points. These episodes lasted 36 weeks on average.
Is ACLS a good value right now?
Here's what our data says about ACLS as of 2026-03-20: The stock is below its 200-week moving average, which is the starting point for our analysis. The 14-week RSI is 49. Free cash flow yield is 2.7%. Return on equity is 11.7%. Price-to-book is 2.5x. This is not a buy or sell recommendation — always do your own research.
How does ACLS compare to the S&P 500?
Over the past 24.8 years, $100 invested in ACLS would have grown to $143, compared to $831 for the S&P 500. That's 1.4% annualized vs 8.9% for the index. ACLS has underperformed the broader market over this period.
Not financial advice. This is an educational tool. Past performance does not guarantee future results. Do your own research before making investment decisions.
Data as of week of 2026-03-20