CPK vs. CMS
CPK (Chesapeake Utilities Corporation) and CMS (CMS Energy Corporation) are both stocks. Both are in the Utilities sector — CPK in Utilities - Regulated Gas, CMS in Utilities - Regulated Electric. Over the past 10 years, CPK returned 9.72%/yr vs 8.08%/yr for CMS. Their 0.28 correlation means their historical movements had little consistent relationship.
Performance
CPK vs. CMS - Performance Comparison
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Returns By Period
In the year-to-date period, CPK achieves a 7.63% return, which is significantly higher than CMS's 5.02% return. Over the past 10 years, CPK has outperformed CMS with an annualized return of 9.72%, while CMS has yielded a comparatively lower 8.08% annualized return.
CPK
- 1D
- -0.29%
- 1M
- 6.22%
- 6M
- 4.35%
- YTD
- 7.63%
- 1Y
- 13.60%
- 3Y*
- 6.66%
- 5Y*
- 3.30%
- 10Y*
- 9.72%
- ALL TIME*
- 12.61%
CMS
- 1D
- -0.37%
- 1M
- -7.38%
- 6M
- 2.72%
- YTD
- 5.02%
- 1Y
- 0.61%
- 3Y*
- 9.60%
- 5Y*
- 6.57%
- 10Y*
- 8.08%
- ALL TIME*
- 9.88%
Liquidity Comparison
| Position | Avg. Volume Value (2W) | Avg. Volume Value (1M) | Avg. Volume Value (3M) |
|---|---|---|---|
| $288.83M | $253.73M | $245.75M | |
| $27.10M | $29.74M | $23.60M |
CPK vs. CMS - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
CPK Chesapeake Utilities Corporation | 7.63% | 5.07% | 17.44% | -8.83% | -17.61% | 36.78% | 15.15% | 19.88% | 5.37% | 19.34% |
CMS CMS Energy Corporation | 5.02% | 8.13% | 18.60% | -5.21% | 0.84% | 9.71% | -0.32% | 30.04% | 8.25% | 17.03% |
Correlation
The correlation between CPK and CMS is 0.55, which is moderate. They have sometimes moved together and sometimes differently, sharing some price drivers without tracking each other closely.
| Correlation | |
|---|---|
Correlation (1Y) Focuses on recent behavior, but can change the most. | 0.55 |
Correlation (3Y) Balances recent behavior with more history. | 0.55 |
Correlation (5Y) Shows whether the relationship held over a longer period. | 0.59 |
Correlation (10Y) Provides a long-term view across more market conditions. | 0.57 |
Correlation (All Time) Calculated using the full available price history since Mar 26, 1990 | 0.28 |
Over the past year, CPK and CMS have become more correlated (0.55) than their long-term average of 0.28, meaning their price movements have been converging.
Fundamentals
CPK:
$3.19B
CMS:
$22.57B
CPK:
$3.21
CMS:
$3.41
CPK:
41.37
CMS:
21.09
CPK:
5.30
CMS:
2.45
CPK:
1.93K
CMS:
2.27
CPK:
$586.05M
CMS:
$8.81B
CPK:
$313.50M
CMS:
$6.14B
CPK:
$224.92M
CMS:
$3.12B
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Return for Risk
CPK vs. CMS — Risk / Return Rank
CPK
CMS
CPK vs. CMS - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Chesapeake Utilities Corporation (CPK) and CMS Energy Corporation (CMS). 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.
| CPK | CMS | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +0.61 | ||
| Sortino ratioReturn per unit of downside risk | +0.85 | ||
| Omega ratioGain probability vs. loss probability | 1.12 | 1.02 | +0.10 |
| Calmar ratioReturn relative to maximum drawdown | 1.02 | 0.09 | +0.93 |
| Martin ratioReturn relative to average drawdown | 1.99 | 0.21 | +1.78 |
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Drawdowns
CPK vs. CMS - Drawdown Comparison
The maximum CPK drawdown since its inception was -38.67%, smaller than the maximum CMS drawdown of -91.20%. Use the drawdown chart below to compare losses from any high point for CPK and CMS.
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Drawdown Indicators
| CPK | CMS | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -38.67% | -91.20% | +52.53% |
Max Drawdown (1Y)Largest decline over 1 year | -13.01% | -11.48% | -1.53% |
Max Drawdown (3Y)Largest decline over 3 years | -23.50% | -12.64% | -10.86% |
Max Drawdown (5Y)Largest decline over 5 years | -38.67% | -27.56% | -11.11% |
Max Drawdown (10Y)Largest decline over 10 years | -38.67% | -29.55% | -9.12% |
Current DrawdownCurrent decline from peak | -3.73% | -8.82% | +5.09% |
Average DrawdownAverage peak-to-trough decline | -7.81% | -27.27% | +19.46% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 6.68% | 4.83% | +1.85% |
Volatility
CPK vs. CMS - Volatility Comparison
Chesapeake Utilities Corporation (CPK) has a higher volatility of 7.93% compared to CMS Energy Corporation (CMS) at 5.76%. This indicates that CPK's price experiences larger fluctuations and is considered to be riskier than CMS based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| CPK | CMS | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 7.93% | 5.76% | +2.17% |
Volatility (6M)Calculated over the trailing 6-month period | 15.49% | 13.62% | +1.87% |
Volatility (1Y)Calculated over the trailing 1-year period | 19.91% | 16.94% | +2.97% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 22.93% | 19.03% | +3.90% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 26.57% | 20.77% | +5.80% |
Dividends
CPK vs. CMS - Dividend Comparison
CPK's dividend yield for the trailing twelve months is around 2.10%, less than CMS's 3.60% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
CMS CMS Energy Corporation | 3.60% | 3.10% | 3.09% | 3.36% | 3.62% | 2.67% | 2.67% | 2.43% | 2.88% | 2.81% | 2.98% | 3.22% |
CPK Chesapeake Utilities Corporation | 2.10% | 2.16% | 2.07% | 2.18% | 1.76% | 1.29% | 1.59% | 1.65% | 1.77% | 1.63% | 1.80% | 2.00% |
Financials
CPK vs. CMS - Financials Comparison
This section allows you to compare key financial metrics between Chesapeake Utilities Corporation and CMS Energy Corporation. 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
CPK vs. CMS - Profitability Comparison
CPK - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Aug 2026, Chesapeake Utilities Corporation reported a gross profit of 0.00 and revenue of 353.10K. Therefore, the gross margin over that period was 0.0%.
CMS - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Aug 2026, CMS Energy Corporation reported a gross profit of 1.15B and revenue of 1.83B. Therefore, the gross margin over that period was 63.1%.
CPK - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Aug 2026, Chesapeake Utilities Corporation reported an operating income of 99.40K and revenue of 353.10K, resulting in an operating margin of 28.2%.
CMS - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Aug 2026, CMS Energy Corporation reported an operating income of 264.00M and revenue of 1.83B, resulting in an operating margin of 14.4%.
CPK - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Aug 2026, Chesapeake Utilities Corporation reported a net income of 59.30K and revenue of 353.10K, resulting in a net margin of 16.8%.
CMS - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Aug 2026, CMS Energy Corporation reported a net income of 120.00M and revenue of 1.83B, resulting in a net margin of 6.6%.
Frequently Asked Questions
CPK and CMS have a correlation of 0.55, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
CPK has higher volatility (7.93%) compared to CMS (5.76%). In terms of maximum drawdown, CPK dropped -38.67% vs CMS's -91.20%.
CPK currently has the higher Sharpe Ratio (0.67 vs 0.06), 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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