NRG vs. WRB
NRG (NRG Energy, Inc.) and WRB (W. R. Berkley Corporation) are both stocks. NRG operates in Utilities - Independent Power Producers (Utilities), while WRB operates in Insurance - Property & Casualty (Financial Services). Over the past 10 years, NRG returned 26.90%/yr vs 17.92%/yr for WRB. At a 0.27 correlation, their price movements are largely independent.
Performance
NRG vs. WRB - Performance Comparison
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Returns By Period
In the year-to-date period, NRG achieves a -20.72% return, which is significantly lower than WRB's -2.51% return. Over the past 10 years, NRG has outperformed WRB with an annualized return of 26.90%, while WRB has yielded a comparatively lower 17.92% annualized return.
NRG
- 1D
- 1.43%
- 1M
- -1.83%
- YTD
- -20.72%
- 6M
- -21.80%
- 1Y
- -16.53%
- 3Y*
- 57.21%
- 5Y*
- 30.96%
- 10Y*
- 26.90%
WRB
- 1D
- 1.08%
- 1M
- 2.74%
- YTD
- -2.51%
- 6M
- 0.17%
- 1Y
- -4.36%
- 3Y*
- 24.41%
- 5Y*
- 17.90%
- 10Y*
- 17.92%
NRG vs. WRB - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
NRG NRG Energy, Inc. | -20.72% | 78.91% | 78.58% | 69.36% | -23.47% | 18.54% | -2.14% | 0.69% | 39.59% | 133.69% |
WRB W. R. Berkley Corporation | -2.51% | 23.02% | 27.19% | 0.25% | 33.92% | 27.39% | -3.14% | 43.80% | 5.96% | 10.21% |
Correlation
The correlation between NRG and WRB is -0.05, 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 | -0.05 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.07 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.20 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.26 |
Correlation (All Time) Calculated using the full available price history since Dec 2, 2003 | 0.27 |
The correlation between NRG and WRB shifts across timeframes, from -0.05 (1 year) to 0.27 (all time), reflecting how their relationship changes across market environments.
Fundamentals
NRG:
$1.21
WRB:
$4.45
NRG:
103.60
WRB:
15.34
NRG:
1.56
WRB:
0.89
NRG:
0.76
WRB:
1.86
NRG:
$32.38B
WRB:
$14.71B
NRG:
$4.69B
WRB:
$2.91B
NRG:
$2.57B
WRB:
$2.37B
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Return for Risk
NRG vs. WRB — Risk / Return Rank
NRG
WRB
NRG vs. WRB - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for NRG Energy, Inc. (NRG) and W. R. Berkley Corporation (WRB). 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.
| NRG | WRB | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.12 | ||
| Sortino ratioReturn per unit of downside risk | -0.04 | ||
| Omega ratioGain probability vs. loss probability | 0.97 | 0.98 | 0.00 |
| Calmar ratioReturn relative to maximum drawdown | -0.47 | -0.29 | -0.18 |
| Martin ratioReturn relative to average drawdown | -1.16 | -0.54 | -0.62 |
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Drawdowns
NRG vs. WRB - Drawdown Comparison
The maximum NRG drawdown since its inception was -79.41%, which is greater than WRB's maximum drawdown of -69.33%. Use the drawdown chart below to compare losses from any high point for NRG and WRB.
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Drawdown Indicators
| NRG | WRB | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -79.41% | -69.33% | -10.08% |
Max Drawdown (1Y)Largest decline over 1 year | -34.24% | -17.62% | -16.62% |
Max Drawdown (3Y)Largest decline over 3 years | -34.24% | -17.62% | -16.62% |
Max Drawdown (5Y)Largest decline over 5 years | -34.24% | -26.29% | -7.95% |
Max Drawdown (10Y)Largest decline over 10 years | -48.76% | -45.35% | -3.41% |
Current DrawdownCurrent decline from peak | -31.61% | -11.49% | -20.12% |
Average DrawdownAverage peak-to-trough decline | -27.99% | -14.58% | -13.41% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 13.73% | 9.29% | +4.44% |
Volatility
NRG vs. WRB - Volatility Comparison
NRG Energy, Inc. (NRG) has a higher volatility of 15.26% compared to W. R. Berkley Corporation (WRB) at 7.63%. This indicates that NRG's price experiences larger fluctuations and is considered to be riskier than WRB based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| NRG | WRB | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 15.26% | 7.63% | +7.63% |
Volatility (6M)Calculated over the trailing 6-month period | 35.10% | 15.08% | +20.02% |
Volatility (1Y)Calculated over the trailing 1-year period | 44.88% | 21.37% | +23.51% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 40.03% | 22.83% | +17.20% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 39.16% | 24.56% | +14.60% |
Dividends
NRG vs. WRB - Dividend Comparison
NRG's dividend yield for the trailing twelve months is around 1.46%, less than WRB's 2.72% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
NRG NRG Energy, Inc. | 1.46% | 1.11% | 1.81% | 2.92% | 4.40% | 3.02% | 3.20% | 0.30% | 0.30% | 0.42% | 1.92% | 4.93% |
WRB W. R. Berkley Corporation | 2.72% | 2.64% | 2.39% | 2.73% | 1.22% | 2.44% | 0.71% | 2.43% | 2.83% | 2.16% | 2.27% | 0.86% |
Financials
NRG vs. WRB - Financials Comparison
This section allows you to compare key financial metrics between NRG Energy, Inc. and W. R. Berkley 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
NRG vs. WRB - Profitability Comparison
NRG - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, NRG Energy, Inc. reported a gross profit of 0.00 and revenue of 10.26B. Therefore, the gross margin over that period was 0.0%.
WRB - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, W. R. Berkley Corporation reported a gross profit of 765.46M and revenue of 3.72B. Therefore, the gross margin over that period was 20.6%.
NRG - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, NRG Energy, Inc. reported an operating income of 328.00M and revenue of 10.26B, resulting in an operating margin of 3.2%.
WRB - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, W. R. Berkley Corporation reported an operating income of 606.51M and revenue of 3.72B, resulting in an operating margin of 16.3%.
NRG - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, NRG Energy, Inc. reported a net income of 125.00M and revenue of 10.26B, resulting in a net margin of 1.2%.
WRB - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, W. R. Berkley Corporation reported a net income of 449.51M and revenue of 3.72B, resulting in a net margin of 12.1%.
Frequently Asked Questions
NRG and WRB have a correlation of -0.05, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
NRG has higher volatility (15.26%) compared to WRB (7.63%). In terms of maximum drawdown, NRG dropped -79.41% vs WRB's -69.33%.
WRB currently has the higher Sharpe Ratio (-0.24 vs -0.36), 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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