ACMR vs. SBS
ACMR (ACM Research, Inc.) and SBS (Companhia de Saneamento Básico do Estado de São Paulo - SABESP) are both stocks. ACMR operates in Semiconductor Equipment & Materials (Technology), while SBS operates in Utilities - Regulated Water (Utilities). Over the past 5 years, ACMR returned 25.99%/yr vs 32.68%/yr for SBS. At a 0.14 correlation, their price movements are largely independent.
Performance
ACMR vs. SBS - Performance Comparison
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Returns By Period
In the year-to-date period, ACMR achieves a 138.15% return, which is significantly higher than SBS's 15.28% return.
ACMR
- 1D
- 2.45%
- 1M
- 45.10%
- YTD
- 138.15%
- 6M
- 141.95%
- 1Y
- 265.21%
- 3Y*
- 104.60%
- 5Y*
- 25.99%
- 10Y*
- —
SBS
- 1D
- -0.18%
- 1M
- -6.98%
- YTD
- 15.28%
- 6M
- 14.60%
- 1Y
- 38.40%
- 3Y*
- 40.12%
- 5Y*
- 32.68%
- 10Y*
- 16.43%
ACMR vs. SBS - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
ACMR ACM Research, Inc. | 138.15% | 161.26% | -22.72% | 153.44% | -72.87% | 4.95% | 340.38% | 69.58% | 107.24% | -35.74% |
SBS Companhia de Saneamento Básico do Estado de São Paulo - SABESP | 15.28% | 80.60% | -4.21% | 46.89% | 48.42% | -13.79% | -40.98% | 91.22% | -20.37% | 13.83% |
Correlation
The correlation between ACMR and SBS is 0.23, which is low. Their price movements are largely independent, making them effective diversification partners.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.23 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.19 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.16 |
Correlation (All Time) Calculated using the full available price history since Nov 3, 2017 | 0.14 |
Fundamentals
ACMR:
$6.55B
SBS:
$19.24B
ACMR:
$1.33
SBS:
R$2.48
ACMR:
70.83
SBS:
11.24
ACMR:
2.48
SBS:
0.22
ACMR:
6.71
SBS:
2.48
ACMR:
4.14
SBS:
2.27
ACMR:
$960.23M
SBS:
R$38.70B
ACMR:
$424.76M
SBS:
R$13.96B
ACMR:
$162.91M
SBS:
R$14.87B
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Return for Risk
ACMR vs. SBS — Risk / Return Rank
ACMR
SBS
ACMR vs. SBS - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for ACM Research, Inc. (ACMR) and Companhia de Saneamento Básico do Estado de São Paulo - SABESP (SBS). 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.
| ACMR | SBS | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +2.30 | ||
| Sortino ratioReturn per unit of downside risk | +1.42 | ||
| Omega ratioGain probability vs. loss probability | 1.45 | 1.21 | +0.24 |
| Calmar ratioReturn relative to maximum drawdown | 5.76 | 1.55 | +4.21 |
| Martin ratioReturn relative to average drawdown | 14.73 | 4.65 | +10.08 |
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Drawdowns
ACMR vs. SBS - Drawdown Comparison
The maximum ACMR drawdown since its inception was -87.23%, which is greater than SBS's maximum drawdown of -76.49%. Use the drawdown chart below to compare losses from any high point for ACMR and SBS.
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Drawdown Indicators
| ACMR | SBS | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -87.23% | -76.49% | -10.74% |
Max Drawdown (1Y)Largest decline over 1 year | -46.34% | -24.88% | -21.46% |
Max Drawdown (3Y)Largest decline over 3 years | -58.42% | -24.88% | -33.54% |
Max Drawdown (5Y)Largest decline over 5 years | -84.81% | -30.35% | -54.46% |
Max Drawdown (10Y)Largest decline over 10 years | — | -61.91% | — |
Current DrawdownCurrent decline from peak | 0.00% | -22.90% | +22.90% |
Average DrawdownAverage peak-to-trough decline | -39.55% | -25.70% | -13.85% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 18.11% | 8.28% | +9.83% |
Volatility
ACMR vs. SBS - Volatility Comparison
ACM Research, Inc. (ACMR) has a higher volatility of 33.26% compared to Companhia de Saneamento Básico do Estado de São Paulo - SABESP (SBS) at 8.92%. This indicates that ACMR's price experiences larger fluctuations and is considered to be riskier than SBS based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| ACMR | SBS | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 33.26% | 8.92% | +24.34% |
Volatility (6M)Calculated over the trailing 6-month period | 59.35% | 24.61% | +34.74% |
Volatility (1Y)Calculated over the trailing 1-year period | 77.68% | 33.86% | +43.82% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 80.77% | 36.90% | +43.87% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 83.99% | 43.51% | +40.48% |
Dividends
ACMR vs. SBS - Dividend Comparison
ACMR has not paid dividends to shareholders, while SBS's dividend yield for the trailing twelve months is around 2.33%.
| 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% |
SBS Companhia de Saneamento Básico do Estado de São Paulo - SABESP | 2.33% | 4.68% | 1.96% | 1.66% | 1.88% | 0.97% | 2.93% | 1.99% | 3.86% | 2.76% | 0.65% | 1.91% |
Financials
ACMR vs. SBS - Financials Comparison
This section allows you to compare key financial metrics between ACM Research, Inc. and Companhia de Saneamento Básico do Estado de São Paulo - SABESP. 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
ACMR vs. SBS - Profitability Comparison
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%.
SBS - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Companhia de Saneamento Básico do Estado de São Paulo - SABESP reported a gross profit of 3.79B and revenue of 9.78B. Therefore, the gross margin over that period was 38.8%.
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%.
SBS - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Companhia de Saneamento Básico do Estado de São Paulo - SABESP reported an operating income of 3.33B and revenue of 9.78B, resulting in an operating margin of 34.1%.
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%.
SBS - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Companhia de Saneamento Básico do Estado de São Paulo - SABESP reported a net income of 1.72B and revenue of 9.78B, resulting in a net margin of 17.6%.
Frequently Asked Questions
ACMR and SBS have a correlation of 0.23, 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 SBS (8.92%). In terms of maximum drawdown, ACMR dropped -87.23% vs SBS's -76.49%.
ACMR currently has the higher Sharpe Ratio (3.44 vs 1.14), 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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