ACLS vs. ACMR
ACLS (Axcelis Technologies, Inc.) and ACMR (ACM Research, Inc.) are both stocks. Both operate in the Semiconductor Equipment & Materials industry within the Technology sector. Over the past 5 years, ACLS returned 31.70%/yr vs 28.80%/yr for ACMR. At a 0.49 correlation, their price movements are largely independent.
Performance
ACLS vs. ACMR - Performance Comparison
Loading charts...
Returns By Period
In the year-to-date period, ACLS achieves a 97.64% return, which is significantly lower than ACMR's 133.00% return.
ACLS
- 1D
- 5.56%
- 1M
- 13.42%
- YTD
- 97.64%
- 6M
- 92.62%
- 1Y
- 181.23%
- 3Y*
- -0.74%
- 5Y*
- 31.70%
- 10Y*
- 30.50%
ACMR
- 1D
- 12.03%
- 1M
- 76.26%
- YTD
- 133.00%
- 6M
- 179.65%
- 1Y
- 304.04%
- 3Y*
- 109.76%
- 5Y*
- 28.80%
- 10Y*
- —
ACLS vs. ACMR - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
ACLS Axcelis Technologies, Inc. | 97.64% | 14.98% | -46.13% | 63.42% | 6.44% | 156.04% | 20.83% | 35.39% | -37.98% | -18.47% |
ACMR ACM Research, Inc. | 133.00% | 161.26% | -22.72% | 153.44% | -72.87% | 4.95% | 340.38% | 69.58% | 107.24% | -13.22% |
Correlation
The correlation between ACLS and ACMR is 0.47, which is low. Their price movements are largely independent, making them effective diversification partners.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.47 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.50 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.56 |
Correlation (All Time) Calculated using the full available price history since Nov 6, 2017 | 0.49 |
The correlation between ACLS and ACMR has been stable across timeframes, ranging from 0.47 to 0.56 - a consistent structural relationship.
Fundamentals
ACLS:
$4.92B
ACMR:
$6.41B
ACLS:
$3.21
ACMR:
$1.33
ACLS:
49.45
ACMR:
69.30
ACLS:
2.91
ACMR:
2.42
ACLS:
5.90
ACMR:
6.57
ACLS:
4.71
ACMR:
4.06
ACLS:
$845.44M
ACMR:
$960.23M
ACLS:
$368.66M
ACMR:
$424.76M
ACLS:
$129.11M
ACMR:
$162.91M
Compare stocks, funds, or ETFs
Search for stocks, ETFs, and funds for a quick comparison or use the comparison tool for more options.
Return for Risk
ACLS vs. ACMR — Risk / Return Rank
ACLS
ACMR
ACLS vs. ACMR - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Axcelis Technologies, Inc. (ACLS) and ACM Research, Inc. (ACMR). 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.
| ACLS | ACMR | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 3.20 | 4.11 | -0.91 |
Sortino ratioReturn per unit of downside risk | 3.53 | 3.51 | +0.02 |
Omega ratioGain probability vs. loss probability | 1.45 | 1.50 | -0.05 |
Calmar ratioReturn relative to maximum drawdown | 6.94 | 6.64 | +0.30 |
Martin ratioReturn relative to average drawdown | 16.16 | 17.08 | -0.92 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
Loading charts...
Sharpe Ratios by Period
| ACLS | ACMR | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 3.20 | 4.11 | -0.91 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.58 | 0.36 | +0.22 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.57 | — | — |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.03 | 0.68 | -0.65 |
Drawdowns
ACLS vs. ACMR - Drawdown Comparison
The maximum ACLS drawdown since its inception was -99.34%, which is greater than ACMR's maximum drawdown of -87.23%. Use the drawdown chart below to compare losses from any high point for ACLS and ACMR.
Loading charts...
Drawdown Indicators
| ACLS | ACMR | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -99.34% | -87.23% | -12.11% |
Max Drawdown (1Y)Largest decline over 1 year | -26.20% | -46.34% | +20.14% |
Max Drawdown (3Y)Largest decline over 3 years | -78.84% | -58.42% | -20.42% |
Max Drawdown (5Y)Largest decline over 5 years | -78.84% | -84.81% | +5.97% |
Max Drawdown (10Y)Largest decline over 10 years | -78.84% | — | — |
Current DrawdownCurrent decline from peak | -20.80% | -1.01% | -19.79% |
Average DrawdownAverage peak-to-trough decline | -72.38% | -39.32% | -33.06% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 11.25% | 18.01% | -6.76% |
Volatility
ACLS vs. ACMR - Volatility Comparison
Axcelis Technologies, Inc. (ACLS) and ACM Research, Inc. (ACMR) have volatilities of 25.95% and 25.11%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.
Loading charts...
Volatility by Period
| ACLS | ACMR | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 25.95% | 25.11% | +0.84% |
Volatility (6M)Calculated over the trailing 6-month period | 45.86% | 55.24% | -9.38% |
Volatility (1Y)Calculated over the trailing 1-year period | 57.01% | 74.53% | -17.52% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 54.64% | 80.32% | -25.68% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 53.36% | 83.33% | -29.97% |
Dividends
ACLS vs. ACMR - Dividend Comparison
Neither ACLS nor ACMR has paid dividends to shareholders.
Financials
ACLS vs. ACMR - Financials Comparison
This section allows you to compare key financial metrics between Axcelis Technologies, Inc. and ACM Research, 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. ACMR - Profitability Comparison
ACLS - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 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%.
ACMR - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, ACM Research, Inc. reported a gross profit of 107.24M and revenue of 231.26M. Therefore, the gross margin over that period was 46.4%.
ACLS - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Axcelis Technologies, Inc. reported an operating income of 7.95M and revenue of 198.96M, resulting in an operating margin of 4.0%.
ACMR - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, ACM Research, Inc. reported an operating income of 36.18M and revenue of 231.26M, resulting in an operating margin of 15.6%.
ACLS - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Axcelis Technologies, Inc. reported a net income of 9.21M and revenue of 198.96M, resulting in a net margin of 4.6%.
ACMR - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, ACM Research, Inc. reported a net income of 17.31M and revenue of 231.26M, resulting in a net margin of 7.5%.
Frequently Asked Questions
ACLS and ACMR have a correlation of 0.47, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
ACLS has higher volatility (25.95%) compared to ACMR (25.11%). In terms of maximum drawdown, ACLS dropped -99.34% vs ACMR's -87.23%.
ACMR currently has the higher Sharpe Ratio (4.11 vs 3.20), 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.
Find the right allocation for ACLS and ACMR
Add both to a portfolio and optimize allocations for your target — whether that's maximizing returns, minimizing drawdowns, or balancing risk across holdings.
Open Portfolio Optimizer