CEG vs. MRK
CEG (Constellation Energy Corp) and MRK (Merck & Co., Inc.) are both stocks. CEG operates in Utilities - Renewable (Utilities), while MRK operates in Drug Manufacturers - General (Healthcare). Over the past 3 years, CEG returned 39.97%/yr vs 5.78%/yr for MRK. At a 0.06 correlation, their price movements are largely independent.
Performance
CEG vs. MRK - Performance Comparison
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Returns By Period
In the year-to-date period, CEG achieves a -28.84% return, which is significantly lower than MRK's 14.39% return.
CEG
- 1D
- -1.63%
- 1M
- -17.31%
- YTD
- -28.84%
- 6M
- -29.71%
- 1Y
- -15.67%
- 3Y*
- 39.97%
- 5Y*
- —
- 10Y*
- —
MRK
- 1D
- -1.05%
- 1M
- 7.31%
- YTD
- 14.39%
- 6M
- 22.75%
- 1Y
- 56.85%
- 3Y*
- 5.78%
- 5Y*
- 13.57%
- 10Y*
- 11.61%
CEG vs. MRK - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | |
|---|---|---|---|---|---|
CEG Constellation Energy Corp | -28.84% | 58.80% | 92.71% | 37.24% | 64.11% |
MRK Merck & Co., Inc. | 14.39% | 9.79% | -6.26% | 1.01% | 39.64% |
Correlation
The correlation between CEG and MRK is -0.08, meaning there is essentially no relationship between their price movements. Each responds to its own set of market drivers, making them strong candidates for combining in a diversified portfolio.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | -0.08 |
Correlation (3Y) Calculated over the trailing 3-year period | -0.01 |
Correlation (All Time) Calculated using the full available price history since Feb 3, 2022 | 0.06 |
The correlation between CEG and MRK shifts across timeframes, from -0.08 (1 year) to 0.06 (all time), reflecting how their relationship changes across market environments.
Fundamentals
CEG:
$88.74B
MRK:
$295.45B
CEG:
$8.13
MRK:
$3.58
CEG:
30.85
MRK:
33.34
CEG:
0.54
MRK:
0.03
CEG:
3.27
MRK:
4.54
CEG:
2.65
MRK:
6.44
CEG:
$24.82B
MRK:
$65.59B
CEG:
$20.98B
MRK:
$49.79B
CEG:
$5.87B
MRK:
$22.69B
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Return for Risk
CEG vs. MRK — Risk / Return Rank
CEG
MRK
CEG vs. MRK - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Constellation Energy Corp (CEG) and Merck & Co., Inc. (MRK). 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.
| CEG | MRK | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -2.44 | ||
| Sortino ratioReturn per unit of downside risk | -3.24 | ||
| Omega ratioGain probability vs. loss probability | 0.98 | 1.36 | -0.39 |
| Calmar ratioReturn relative to maximum drawdown | -0.41 | 5.03 | -5.43 |
| Martin ratioReturn relative to average drawdown | -0.84 | 12.59 | -13.43 |
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
| CEG | MRK | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | -0.34 | 2.10 | -2.44 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | — | 0.58 | — |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | — | 0.51 | — |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.90 | 0.48 | +0.42 |
Drawdowns
CEG vs. MRK - Drawdown Comparison
The maximum CEG drawdown since its inception was -50.70%, smaller than the maximum MRK drawdown of -68.61%. Use the drawdown chart below to compare losses from any high point for CEG and MRK.
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Drawdown Indicators
| CEG | MRK | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -50.70% | -68.61% | +17.91% |
Max Drawdown (1Y)Largest decline over 1 year | -38.77% | -11.37% | -27.40% |
Max Drawdown (3Y)Largest decline over 3 years | -50.70% | -43.44% | -7.26% |
Max Drawdown (5Y)Largest decline over 5 years | — | -43.44% | — |
Max Drawdown (10Y)Largest decline over 10 years | — | -43.44% | — |
Current DrawdownCurrent decline from peak | -37.69% | -4.65% | -33.04% |
Average DrawdownAverage peak-to-trough decline | -11.58% | -18.84% | +7.26% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 18.77% | 4.53% | +14.24% |
Volatility
CEG vs. MRK - Volatility Comparison
Constellation Energy Corp (CEG) has a higher volatility of 15.62% compared to Merck & Co., Inc. (MRK) at 9.44%. This indicates that CEG's price experiences larger fluctuations and is considered to be riskier than MRK based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| CEG | MRK | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 15.62% | 9.44% | +6.18% |
Volatility (6M)Calculated over the trailing 6-month period | 37.45% | 18.14% | +19.31% |
Volatility (1Y)Calculated over the trailing 1-year period | 46.57% | 27.30% | +19.27% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 49.35% | 23.71% | +25.64% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 49.35% | 22.96% | +26.39% |
Dividends
CEG vs. MRK - Dividend Comparison
CEG's dividend yield for the trailing twelve months is around 0.65%, less than MRK's 2.78% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
CEG Constellation Energy Corp | 0.65% | 0.44% | 0.63% | 0.97% | 0.65% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
MRK Merck & Co., Inc. | 2.78% | 3.12% | 3.14% | 2.72% | 2.52% | 3.41% | 3.03% | 2.48% | 2.60% | 3.36% | 3.14% | 3.43% |
Financials
CEG vs. MRK - Financials Comparison
This section allows you to compare key financial metrics between Constellation Energy Corp and Merck & Co., 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
CEG vs. MRK - Profitability Comparison
CEG - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Constellation Energy Corp reported a gross profit of 2.48B and revenue of 6.07B. Therefore, the gross margin over that period was 40.8%.
MRK - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Merck & Co., Inc. reported a gross profit of 13.34B and revenue of 16.29B. Therefore, the gross margin over that period was 81.9%.
CEG - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Constellation Energy Corp reported an operating income of 598.00M and revenue of 6.07B, resulting in an operating margin of 9.9%.
MRK - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Merck & Co., Inc. reported an operating income of -1.88B and revenue of 16.29B, resulting in an operating margin of -11.6%.
CEG - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Constellation Energy Corp reported a net income of 432.00M and revenue of 6.07B, resulting in a net margin of 7.1%.
MRK - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Merck & Co., Inc. reported a net income of -4.24B and revenue of 16.29B, resulting in a net margin of -26.0%.
Frequently Asked Questions
CEG and MRK have a correlation of -0.08, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
CEG has higher volatility (15.62%) compared to MRK (9.44%). In terms of maximum drawdown, CEG dropped -50.70% vs MRK's -68.61%.
MRK currently has the higher Sharpe Ratio (2.10 vs -0.34), 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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