ACGL vs. RGA
ACGL (Arch Capital Group Ltd.) and RGA (Reinsurance Group of America, Incorporated) are both stocks. Both are in the Financial Services sector — ACGL in Insurance - Diversified, RGA in Insurance - Reinsurance. Over the past 10 years, ACGL returned 16.29%/yr vs 11.40%/yr for RGA. A 0.57 correlation means they provide meaningful diversification when combined.
Performance
ACGL vs. RGA - Performance Comparison
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Returns By Period
In the year-to-date period, ACGL achieves a 5.36% return, which is significantly lower than RGA's 14.83% return. Over the past 10 years, ACGL has outperformed RGA with an annualized return of 16.29%, while RGA has yielded a comparatively lower 11.40% annualized return.
ACGL
- 1D
- -0.63%
- 1M
- 10.90%
- 6M
- 6.18%
- YTD
- 5.36%
- 1Y
- 15.05%
- 3Y*
- 11.87%
- 5Y*
- 22.52%
- 10Y*
- 16.29%
RGA
- 1D
- 0.29%
- 1M
- 12.35%
- 6M
- 15.97%
- YTD
- 14.83%
- 1Y
- 21.33%
- 3Y*
- 19.97%
- 5Y*
- 17.91%
- 10Y*
- 11.40%
ACGL vs. RGA - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
ACGL Arch Capital Group Ltd. | 5.36% | 3.87% | 30.76% | 18.30% | 41.24% | 23.23% | -15.90% | 60.52% | -11.69% | 5.19% |
RGA Reinsurance Group of America, Incorporated | 14.83% | -2.97% | 34.38% | 16.39% | 33.04% | -3.21% | -27.02% | 18.29% | -8.71% | 25.59% |
Correlation
The correlation between ACGL and RGA is 0.54, 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 | 0.54 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.54 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.55 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.57 |
Correlation (All Time) Calculated using the full available price history since Sep 12, 2008 | 0.57 |
The correlation between ACGL and RGA has been stable across timeframes, ranging from 0.54 to 0.57 - a consistent structural relationship.
Fundamentals
ACGL:
$35.31B
RGA:
$15.14B
ACGL:
$13.15
RGA:
$20.15
ACGL:
7.69
RGA:
11.47
ACGL:
0.17
RGA:
0.43
ACGL:
1.90
RGA:
0.57
ACGL:
$19.70B
RGA:
$18.13B
ACGL:
$8.44B
RGA:
$3.15B
ACGL:
$5.80B
RGA:
$1.46B
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Return for Risk
ACGL vs. RGA — Risk / Return Rank
ACGL
RGA
ACGL vs. RGA - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Arch Capital Group Ltd. (ACGL) and Reinsurance Group of America, Incorporated (RGA). 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.
| ACGL | RGA | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.16 | ||
| Sortino ratioReturn per unit of downside risk | -0.29 | ||
| Omega ratioGain probability vs. loss probability | 1.13 | 1.16 | -0.03 |
| Calmar ratioReturn relative to maximum drawdown | 1.01 | 1.58 | -0.58 |
| Martin ratioReturn relative to average drawdown | 2.61 | 3.78 | -1.18 |
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Drawdowns
ACGL vs. RGA - Drawdown Comparison
The maximum ACGL drawdown since its inception was -54.70%, smaller than the maximum RGA drawdown of -65.75%. Use the drawdown chart below to compare losses from any high point for ACGL and RGA.
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Drawdown Indicators
| ACGL | RGA | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -54.70% | -65.75% | +11.05% |
Max Drawdown (1Y)Largest decline over 1 year | -14.08% | -12.68% | -1.40% |
Max Drawdown (3Y)Largest decline over 3 years | -22.43% | -27.11% | +4.68% |
Max Drawdown (5Y)Largest decline over 5 years | -22.43% | -27.11% | +4.68% |
Max Drawdown (10Y)Largest decline over 10 years | -53.84% | -65.75% | +11.91% |
Current DrawdownCurrent decline from peak | -7.47% | 0.00% | -7.47% |
Average DrawdownAverage peak-to-trough decline | -11.72% | -11.64% | -0.08% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 5.43% | 5.30% | +0.13% |
Volatility
ACGL vs. RGA - Volatility Comparison
Arch Capital Group Ltd. (ACGL) and Reinsurance Group of America, Incorporated (RGA) have volatilities of 6.08% and 6.22%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| ACGL | RGA | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 6.08% | 6.22% | -0.14% |
Volatility (6M)Calculated over the trailing 6-month period | 15.58% | 17.21% | -1.63% |
Volatility (1Y)Calculated over the trailing 1-year period | 20.84% | 23.85% | -3.01% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 24.51% | 27.67% | -3.16% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 27.56% | 32.90% | -5.34% |
Dividends
ACGL vs. RGA - Dividend Comparison
ACGL has not paid dividends to shareholders, while RGA's dividend yield for the trailing twelve months is around 1.80%.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
ACGL Arch Capital Group Ltd. | 0.00% | 0.00% | 5.41% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
RGA Reinsurance Group of America, Incorporated | 1.80% | 1.79% | 1.63% | 2.04% | 2.15% | 2.61% | 2.42% | 1.59% | 1.57% | 1.17% | 1.24% | 1.64% |
Financials
ACGL vs. RGA - Financials Comparison
This section allows you to compare key financial metrics between Arch Capital Group Ltd. and Reinsurance Group of America, Incorporated. 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
ACGL vs. RGA - Profitability Comparison
ACGL - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jul 2026, Arch Capital Group Ltd. reported a gross profit of 2.27B and revenue of 4.36B. Therefore, the gross margin over that period was 52.1%.
RGA - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jul 2026, Reinsurance Group of America, Incorporated reported a gross profit of 0.00 and revenue of 6.49M. Therefore, the gross margin over that period was 0.0%.
ACGL - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jul 2026, Arch Capital Group Ltd. reported an operating income of 1.15B and revenue of 4.36B, resulting in an operating margin of 26.3%.
RGA - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jul 2026, Reinsurance Group of America, Incorporated reported an operating income of 441.00K and revenue of 6.49M, resulting in an operating margin of 6.8%.
ACGL - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jul 2026, Arch Capital Group Ltd. reported a net income of 1.05B and revenue of 4.36B, resulting in a net margin of 24.0%.
RGA - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jul 2026, Reinsurance Group of America, Incorporated reported a net income of 331.00K and revenue of 6.49M, resulting in a net margin of 5.1%.
Frequently Asked Questions
ACGL and RGA have a correlation of 0.54, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
RGA has higher volatility (6.22%) compared to ACGL (6.08%). In terms of maximum drawdown, ACGL dropped -54.70% vs RGA's -65.75%.
RGA currently has the higher Sharpe Ratio (0.84 vs 0.68), 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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