ARTNA vs. CWT
ARTNA (Artesian Resources Corporation) and CWT (California Water Service Group) are both stocks. Both operate in the Utilities - Regulated Water industry within the Utilities sector. Over the past 10 years, ARTNA returned 3.93%/yr vs 6.17%/yr for CWT. At a 0.30 correlation, their price movements are largely independent.
Performance
ARTNA vs. CWT - Performance Comparison
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Returns By Period
In the year-to-date period, ARTNA achieves a 3.42% return, which is significantly lower than CWT's 4.87% return. Over the past 10 years, ARTNA has underperformed CWT with an annualized return of 3.93%, while CWT has yielded a comparatively higher 6.17% annualized return.
ARTNA
- 1D
- -1.63%
- 1M
- 3.49%
- YTD
- 3.42%
- 6M
- 4.81%
- 1Y
- -2.93%
- 3Y*
- -10.77%
- 5Y*
- -1.92%
- 10Y*
- 3.93%
CWT
- 1D
- -1.30%
- 1M
- 4.76%
- YTD
- 4.87%
- 6M
- 2.09%
- 1Y
- -1.25%
- 3Y*
- -5.91%
- 5Y*
- -2.53%
- 10Y*
- 6.17%
ARTNA vs. CWT - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
ARTNA Artesian Resources Corporation | 3.42% | 3.83% | -21.20% | -27.63% | 29.29% | 28.22% | 2.47% | 9.66% | -7.19% | 23.91% |
CWT California Water Service Group | 4.87% | -1.81% | -10.64% | -12.83% | -14.13% | 35.05% | 6.68% | 9.85% | 7.06% | 36.39% |
Correlation
The correlation between ARTNA and CWT is 0.57, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.57 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.64 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.59 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.55 |
Correlation (All Time) Calculated using the full available price history since May 28, 1996 | 0.30 |
Over the past year, ARTNA and CWT have become more correlated (0.57) than their long-term average of 0.30, meaning their price movements have been converging.
Fundamentals
ARTNA:
$330.99M
CWT:
$2.67B
ARTNA:
$2.26
CWT:
$1.99
ARTNA:
14.18
CWT:
22.46
ARTNA:
2.34
CWT:
0.54
ARTNA:
2.88
CWT:
2.64
ARTNA:
1.31
CWT:
1.50
ARTNA:
$114.83M
CWT:
$1.01B
ARTNA:
$46.30M
CWT:
$366.63M
ARTNA:
$51.58M
CWT:
$329.51M
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Return for Risk
ARTNA vs. CWT — Risk / Return Rank
ARTNA
CWT
ARTNA vs. CWT - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Artesian Resources Corporation (ARTNA) and California Water Service Group (CWT). 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.
| ARTNA | CWT | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | -0.14 | -0.05 | -0.09 |
Sortino ratioReturn per unit of downside risk | -0.06 | 0.09 | -0.15 |
Omega ratioGain probability vs. loss probability | 0.99 | 1.01 | -0.02 |
Calmar ratioReturn relative to maximum drawdown | -0.24 | -0.09 | -0.15 |
Martin ratioReturn relative to average drawdown | -0.54 | -0.16 | -0.38 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
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Sharpe Ratios by Period
| ARTNA | CWT | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | -0.14 | -0.05 | -0.09 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | -0.07 | -0.10 | +0.03 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.14 | 0.22 | -0.08 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.32 | 0.31 | +0.01 |
Drawdowns
ARTNA vs. CWT - Drawdown Comparison
The maximum ARTNA drawdown since its inception was -49.39%, which is greater than CWT's maximum drawdown of -38.21%. Use the drawdown chart below to compare losses from any high point for ARTNA and CWT.
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Drawdown Indicators
| ARTNA | CWT | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -49.39% | -38.21% | -11.18% |
Max Drawdown (1Y)Largest decline over 1 year | -12.26% | -14.59% | +2.33% |
Max Drawdown (3Y)Largest decline over 3 years | -38.34% | -25.08% | -13.26% |
Max Drawdown (5Y)Largest decline over 5 years | -49.39% | -38.21% | -11.18% |
Max Drawdown (10Y)Largest decline over 10 years | -49.39% | -38.21% | -11.18% |
Current DrawdownCurrent decline from peak | -42.10% | -31.13% | -10.97% |
Average DrawdownAverage peak-to-trough decline | -11.35% | -11.69% | +0.34% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 5.45% | 7.66% | -2.21% |
Volatility
ARTNA vs. CWT - Volatility Comparison
The current volatility for Artesian Resources Corporation (ARTNA) is 4.63%, while California Water Service Group (CWT) has a volatility of 6.86%. This indicates that ARTNA experiences smaller price fluctuations and is considered to be less risky than CWT based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| ARTNA | CWT | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 4.63% | 6.86% | -2.23% |
Volatility (6M)Calculated over the trailing 6-month period | 15.40% | 18.94% | -3.54% |
Volatility (1Y)Calculated over the trailing 1-year period | 20.55% | 24.09% | -3.54% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 26.23% | 24.27% | +1.96% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 27.79% | 27.74% | +0.05% |
Dividends
ARTNA vs. CWT - Dividend Comparison
ARTNA's dividend yield for the trailing twelve months is around 3.91%, more than CWT's 2.84% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
ARTNA Artesian Resources Corporation | 3.91% | 3.89% | 3.74% | 2.74% | 1.86% | 2.26% | 2.71% | 2.64% | 2.74% | 2.40% | 2.82% | 3.15% |
CWT California Water Service Group | 2.84% | 2.86% | 2.47% | 2.01% | 1.65% | 1.28% | 1.57% | 1.53% | 1.57% | 1.59% | 2.04% | 2.88% |
Financials
ARTNA vs. CWT - Financials Comparison
This section allows you to compare key financial metrics between Artesian Resources Corporation and California Water Service Group. 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
ARTNA vs. CWT - Profitability Comparison
ARTNA - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Artesian Resources Corporation reported a gross profit of 9.95M and revenue of 27.77M. Therefore, the gross margin over that period was 35.8%.
CWT - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, California Water Service Group reported a gross profit of 0.00 and revenue of 214.57M. Therefore, the gross margin over that period was 0.0%.
ARTNA - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Artesian Resources Corporation reported an operating income of 8.34M and revenue of 27.77M, resulting in an operating margin of 30.0%.
CWT - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, California Water Service Group reported an operating income of 18.16M and revenue of 214.57M, resulting in an operating margin of 8.5%.
ARTNA - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Artesian Resources Corporation reported a net income of 5.93M and revenue of 27.77M, resulting in a net margin of 21.4%.
CWT - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, California Water Service Group reported a net income of 4.04M and revenue of 214.57M, resulting in a net margin of 1.9%.
Frequently Asked Questions
ARTNA and CWT have a correlation of 0.57, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
CWT has higher volatility (6.86%) compared to ARTNA (4.63%). In terms of maximum drawdown, ARTNA dropped -49.39% vs CWT's -38.21%.
CWT currently has the higher Sharpe Ratio (-0.05 vs -0.14), 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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