ACLS vs. AAPL
ACLS (Axcelis Technologies, Inc.) and AAPL (Apple Inc) are both stocks. Both are in the Technology sector — ACLS in Semiconductor Equipment & Materials, AAPL in Consumer Electronics. Over the past 10 years, ACLS returned 28.23%/yr vs 29.23%/yr for AAPL. Their 0.37 correlation means their historical movements had little consistent relationship.
Performance
ACLS vs. AAPL - Performance Comparison
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Returns By Period
In the year-to-date period, ACLS achieves a 62.29% return, which is significantly higher than AAPL's 13.84% return. Both investments have delivered pretty close results over the past 10 years, with ACLS having a 28.23% annualized return and AAPL not far ahead at 29.23%.
ACLS
- 1D
- 4.13%
- 1M
- -9.77%
- 6M
- 48.04%
- YTD
- 62.29%
- 1Y
- 89.64%
- 3Y*
- -12.74%
- 5Y*
- 27.60%
- 10Y*
- 28.23%
- ALL TIME*
- 0.65%
AAPL
- 1D
- -7.35%
- 1M
- 0.09%
- 6M
- 19.27%
- YTD
- 13.84%
- 1Y
- 53.24%
- 3Y*
- 16.99%
- 5Y*
- 16.79%
- 10Y*
- 29.23%
- ALL TIME*
- 19.30%
Liquidity Comparison
| Position | Avg. Volume Value (2W) | Avg. Volume Value (1M) | Avg. Volume Value (3M) |
|---|---|---|---|
AAPL Apple Inc | $19.18B | $17.68B | $17.20B |
| $50.40M | $65.01M | $96.95M |
ACLS vs. AAPL - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
ACLS Axcelis Technologies, Inc. | 62.29% | 14.98% | -46.13% | 63.42% | 6.44% | 156.04% | 20.83% | 35.39% | -37.98% | 97.25% |
AAPL Apple Inc | 13.84% | 9.05% | 30.71% | 49.01% | -26.40% | 34.65% | 82.31% | 88.96% | -5.39% | 48.46% |
Correlation
The correlation between ACLS and AAPL is 0.15, which is low. Their historical price movements had little consistent relationship.
| Correlation | |
|---|---|
Correlation (1Y) Focuses on recent behavior, but can change the most. | 0.15 |
Correlation (3Y) Balances recent behavior with more history. | 0.30 |
Correlation (5Y) Shows whether the relationship held over a longer period. | 0.43 |
Correlation (10Y) Provides a long-term view across more market conditions. | 0.43 |
Correlation (All Time) Calculated using the full available price history since Jul 11, 2000 | 0.37 |
Over the past year, the correlation between ACLS and AAPL has dropped to 0.15 - well below their long-term average of 0.37, suggesting their price drivers have been diverging.
Fundamentals
ACLS:
$4.01B
AAPL:
$4.54T
ACLS:
$3.23
AAPL:
$8.69
ACLS:
40.31
AAPL:
35.54
ACLS:
2.37
AAPL:
4.68
ACLS:
4.81
AAPL:
9.82
ACLS:
3.87
AAPL:
42.38
ACLS:
$845.44M
AAPL:
$466.82B
ACLS:
$368.66M
AAPL:
$227.12B
ACLS:
$129.11M
AAPL:
$168.49B
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Return for Risk
ACLS vs. AAPL — Risk / Return Rank
ACLS
AAPL
ACLS vs. AAPL - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Axcelis Technologies, Inc. (ACLS) and Apple Inc (AAPL). Risk-adjusted metrics are performance indicators that assess an investment's returns in relation to its risk, enabling a more accurate comparison of different investment options.
Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.
| ACLS | AAPL | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.51 | ||
| Sortino ratioReturn per unit of downside risk | -0.53 | ||
| Omega ratioGain probability vs. loss probability | 1.26 | 1.35 | -0.09 |
| Calmar ratioReturn relative to maximum drawdown | 2.24 | 3.60 | -1.36 |
| Martin ratioReturn relative to average drawdown | 6.55 | 8.56 | -2.01 |
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Drawdowns
ACLS vs. AAPL - Drawdown Comparison
The maximum ACLS drawdown since its inception was -99.38%, which is greater than AAPL's maximum drawdown of -81.80%. Use the drawdown chart below to compare losses from any high point for ACLS and AAPL.
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Drawdown Indicators
| ACLS | AAPL | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -99.38% | -81.80% | -17.58% |
Max Drawdown (1Y)Largest decline over 1 year | -41.52% | -13.80% | -27.72% |
Max Drawdown (3Y)Largest decline over 3 years | -78.01% | -33.36% | -44.65% |
Max Drawdown (5Y)Largest decline over 5 years | -78.84% | -33.36% | -45.48% |
Max Drawdown (10Y)Largest decline over 10 years | -78.84% | -38.52% | -40.32% |
Current DrawdownCurrent decline from peak | -34.97% | -9.17% | -25.80% |
Average DrawdownAverage peak-to-trough decline | -73.24% | -29.52% | -43.72% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 14.19% | 5.79% | +8.40% |
Volatility
ACLS vs. AAPL - Volatility Comparison
Axcelis Technologies, Inc. (ACLS) has a higher volatility of 30.90% compared to Apple Inc (AAPL) at 11.52%. This indicates that ACLS's price experiences larger fluctuations and is considered to be riskier than AAPL based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| ACLS | AAPL | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 30.90% | 11.52% | +19.38% |
Volatility (6M)Calculated over the trailing 6-month period | 57.97% | 20.71% | +37.26% |
Volatility (1Y)Calculated over the trailing 1-year period | 66.73% | 25.91% | +40.82% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 56.98% | 28.02% | +28.96% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 54.57% | 29.12% | +25.45% |
Dividends
ACLS vs. AAPL - Dividend Comparison
ACLS has not paid dividends to shareholders, while AAPL's dividend yield for the trailing twelve months is around 0.34%.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
AAPL Apple Inc | 0.34% | 0.38% | 0.40% | 0.49% | 0.70% | 0.49% | 0.61% | 1.04% | 1.79% | 1.45% | 1.93% | 1.93% |
ACLS Axcelis Technologies, Inc. | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
Financials
ACLS vs. AAPL - Financials Comparison
This section allows you to compare key financial metrics between Axcelis Technologies, Inc. and Apple Inc. You can select fields from income statements, balance sheets, and cash flow statements to easily visualize and compare the financial health of both companies.
Total Revenue: Total amount of money received from sales and other business activities
ACLS vs. AAPL - Profitability Comparison
ACLS - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Aug 2026, Axcelis Technologies, Inc. reported a gross profit of 80.58M and revenue of 198.96M. Therefore, the gross margin over that period was 40.5%.
AAPL - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Aug 2026, Apple Inc reported a gross profit of 54.77B and revenue of 109.42B. Therefore, the gross margin over that period was 50.1%.
ACLS - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Aug 2026, Axcelis Technologies, Inc. reported an operating income of 7.95M and revenue of 198.96M, resulting in an operating margin of 4.0%.
AAPL - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Aug 2026, Apple Inc reported an operating income of 35.70B and revenue of 109.42B, resulting in an operating margin of 32.6%.
ACLS - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Aug 2026, Axcelis Technologies, Inc. reported a net income of 9.21M and revenue of 198.96M, resulting in a net margin of 4.6%.
AAPL - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Aug 2026, Apple Inc reported a net income of 29.79B and revenue of 109.42B, resulting in a net margin of 27.2%.
Frequently Asked Questions
ACLS and AAPL have a correlation of 0.15, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
ACLS has higher volatility (30.90%) compared to AAPL (11.52%). In terms of maximum drawdown, ACLS dropped -99.38% vs AAPL's -81.80%.
AAPL currently has the higher Sharpe Ratio (1.92 vs 1.40), meaning it's delivered slightly more return per unit of risk over the trailing 12 months. However, this ranking shifts over time - use the Risk/Return Score above for a more comprehensive view that combines Sharpe, Sortino, and other measures used by quantitative funds.
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