DDS vs. ACMR
DDS (Dillard's, Inc.) and ACMR (ACM Research, Inc.) are both stocks. DDS operates in Department Stores (Consumer Cyclical), while ACMR operates in Semiconductor Equipment & Materials (Technology). Over the past 5 years, DDS returned 35.97%/yr vs 25.99%/yr for ACMR. At a 0.18 correlation, their price movements are largely independent.
Performance
DDS vs. ACMR - Performance Comparison
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Returns By Period
In the year-to-date period, DDS achieves a 0.66% return, which is significantly lower than ACMR's 138.15% return.
DDS
- 1D
- -0.70%
- 1M
- 14.47%
- YTD
- 0.66%
- 6M
- -10.45%
- 1Y
- 58.44%
- 3Y*
- 27.17%
- 5Y*
- 35.97%
- 10Y*
- 30.59%
ACMR
- 1D
- 2.45%
- 1M
- 45.10%
- YTD
- 138.15%
- 6M
- 141.95%
- 1Y
- 265.21%
- 3Y*
- 104.60%
- 5Y*
- 25.99%
- 10Y*
- —
DDS vs. ACMR - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
DDS Dillard's, Inc. | 0.66% | 46.81% | 13.47% | 32.05% | 38.66% | 306.41% | -12.71% | 22.76% | 0.97% | 16.59% |
ACMR ACM Research, Inc. | 138.15% | 161.26% | -22.72% | 153.44% | -72.87% | 4.95% | 340.38% | 69.58% | 107.24% | -35.74% |
Correlation
The correlation between DDS and ACMR is 0.27, which is low. Their price movements are largely independent, making them effective diversification partners.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.27 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.26 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.29 |
Correlation (All Time) Calculated using the full available price history since Nov 3, 2017 | 0.18 |
The correlation between DDS and ACMR shifts across timeframes, from 0.18 (all time) to 0.29 (5 years), reflecting how their relationship changes across market environments.
Fundamentals
DDS:
$9.52B
ACMR:
$6.55B
DDS:
$42.07
ACMR:
$1.33
DDS:
14.50
ACMR:
70.83
DDS:
1.45
ACMR:
6.71
DDS:
3.66
ACMR:
4.14
DDS:
$6.58B
ACMR:
$960.23M
DDS:
$1.82B
ACMR:
$424.76M
DDS:
$985.80M
ACMR:
$162.91M
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Return for Risk
DDS vs. ACMR — Risk / Return Rank
DDS
ACMR
DDS vs. ACMR - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Dillard's, Inc. (DDS) 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.
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.
| DDS | ACMR | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -1.95 | ||
| Sortino ratioReturn per unit of downside risk | -1.11 | ||
| Omega ratioGain probability vs. loss probability | 1.27 | 1.45 | -0.18 |
| Calmar ratioReturn relative to maximum drawdown | 2.42 | 5.76 | -3.34 |
| Martin ratioReturn relative to average drawdown | 5.60 | 14.73 | -9.13 |
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Drawdowns
DDS vs. ACMR - Drawdown Comparison
The maximum DDS drawdown since its inception was -93.62%, which is greater than ACMR's maximum drawdown of -87.23%. Use the drawdown chart below to compare losses from any high point for DDS and ACMR.
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Drawdown Indicators
| DDS | ACMR | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -93.62% | -87.23% | -6.39% |
Max Drawdown (1Y)Largest decline over 1 year | -24.27% | -46.34% | +22.07% |
Max Drawdown (3Y)Largest decline over 3 years | -42.02% | -58.42% | +16.40% |
Max Drawdown (5Y)Largest decline over 5 years | -49.71% | -84.81% | +35.10% |
Max Drawdown (10Y)Largest decline over 10 years | -76.57% | — | — |
Current DrawdownCurrent decline from peak | -12.84% | 0.00% | -12.84% |
Average DrawdownAverage peak-to-trough decline | -35.61% | -39.55% | +3.94% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 10.47% | 18.11% | -7.64% |
Volatility
DDS vs. ACMR - Volatility Comparison
The current volatility for Dillard's, Inc. (DDS) is 10.15%, while ACM Research, Inc. (ACMR) has a volatility of 33.26%. This indicates that DDS experiences smaller price fluctuations and is considered to be less risky than ACMR based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| DDS | ACMR | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 10.15% | 33.26% | -23.11% |
Volatility (6M)Calculated over the trailing 6-month period | 27.84% | 59.35% | -31.51% |
Volatility (1Y)Calculated over the trailing 1-year period | 39.57% | 77.68% | -38.11% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 50.28% | 80.77% | -30.49% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 59.53% | 83.99% | -24.46% |
Dividends
DDS vs. ACMR - Dividend Comparison
DDS's dividend yield for the trailing twelve months is around 5.11%, while ACMR has not paid dividends to shareholders.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
ACMR ACM Research, 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% |
DDS Dillard's, Inc. | 5.11% | 5.13% | 6.02% | 5.18% | 4.89% | 6.41% | 0.95% | 0.68% | 0.66% | 0.57% | 0.45% | 0.40% |
Financials
DDS vs. ACMR - Financials Comparison
This section allows you to compare key financial metrics between Dillard's, 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
DDS vs. ACMR - Profitability Comparison
DDS - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Dillard's, Inc. reported a gross profit of 0.00 and revenue of 1.57B. Therefore, the gross margin over that period was 0.0%.
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%.
DDS - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Dillard's, Inc. reported an operating income of 0.00 and revenue of 1.57B, resulting in an operating margin of 0.0%.
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%.
DDS - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Dillard's, Inc. reported a net income of 250.60M and revenue of 1.57B, resulting in a net margin of 16.0%.
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
DDS and ACMR have a correlation of 0.27, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
ACMR has higher volatility (33.26%) compared to DDS (10.15%). In terms of maximum drawdown, DDS dropped -93.62% vs ACMR's -87.23%.
ACMR currently has the higher Sharpe Ratio (3.44 vs 1.48), 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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