DGX vs. MKL
DGX (Quest Diagnostics Incorporated) and MKL (Markel Corporation) are both stocks. DGX operates in Diagnostics & Research (Healthcare), while MKL operates in Insurance - Property & Casualty (Financial Services). Over the past 10 years, DGX returned 12.33%/yr vs 7.12%/yr for MKL. At a 0.25 correlation, their price movements are largely independent.
Performance
DGX vs. MKL - Performance Comparison
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Returns By Period
In the year-to-date period, DGX achieves a 18.06% return, which is significantly higher than MKL's -14.13% return. Over the past 10 years, DGX has outperformed MKL with an annualized return of 12.33%, while MKL has yielded a comparatively lower 7.12% annualized return.
DGX
- 1D
- -0.38%
- 1M
- 8.82%
- YTD
- 18.06%
- 6M
- 12.22%
- 1Y
- 14.71%
- 3Y*
- 16.40%
- 5Y*
- 11.96%
- 10Y*
- 12.33%
MKL
- 1D
- 0.87%
- 1M
- 0.11%
- YTD
- -14.13%
- 6M
- -14.86%
- 1Y
- -4.29%
- 3Y*
- 11.11%
- 5Y*
- 8.89%
- 10Y*
- 7.12%
DGX vs. MKL - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
DGX Quest Diagnostics Incorporated | 18.06% | 17.20% | 11.77% | -10.05% | -7.80% | 47.86% | 14.11% | 31.13% | -13.84% | 9.16% |
MKL Markel Corporation | -14.13% | 24.53% | 21.57% | 7.77% | 6.77% | 19.42% | -9.61% | 10.13% | -8.87% | 25.94% |
Correlation
The correlation between DGX and MKL is 0.24, which is low. Their price movements are largely independent, making them effective diversification partners.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.24 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.26 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.30 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.30 |
Correlation (All Time) Calculated using the full available price history since Dec 26, 1996 | 0.25 |
Fundamentals
DGX:
$9.10
MKL:
$176.96
DGX:
22.31
MKL:
10.43
DGX:
2.03
MKL:
1.04
DGX:
$11.28B
MKL:
$16.57B
DGX:
$3.75B
MKL:
$7.80B
DGX:
$1.98B
MKL:
$2.55B
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Return for Risk
DGX vs. MKL — Risk / Return Rank
DGX
MKL
DGX vs. MKL - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Quest Diagnostics Incorporated (DGX) and Markel Corporation (MKL). 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.
| DGX | MKL | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +0.95 | ||
| Sortino ratioReturn per unit of downside risk | +1.44 | ||
| Omega ratioGain probability vs. loss probability | 1.14 | 0.97 | +0.17 |
| Calmar ratioReturn relative to maximum drawdown | 1.34 | -0.25 | +1.60 |
| Martin ratioReturn relative to average drawdown | 2.79 | -0.60 | +3.39 |
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Drawdowns
DGX vs. MKL - Drawdown Comparison
The maximum DGX drawdown since its inception was -49.46%, smaller than the maximum MKL drawdown of -61.32%. Use the drawdown chart below to compare losses from any high point for DGX and MKL.
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Drawdown Indicators
| DGX | MKL | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -49.46% | -61.32% | +11.86% |
Max Drawdown (1Y)Largest decline over 1 year | -11.55% | -20.10% | +8.55% |
Max Drawdown (3Y)Largest decline over 3 years | -16.57% | -20.10% | +3.53% |
Max Drawdown (5Y)Largest decline over 5 years | -28.62% | -28.87% | +0.25% |
Max Drawdown (10Y)Largest decline over 10 years | -36.60% | -44.66% | +8.06% |
Current DrawdownCurrent decline from peak | -3.76% | -15.78% | +12.02% |
Average DrawdownAverage peak-to-trough decline | -11.89% | -11.39% | -0.50% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 5.56% | 8.47% | -2.91% |
Volatility
DGX vs. MKL - Volatility Comparison
Quest Diagnostics Incorporated (DGX) has a higher volatility of 6.09% compared to Markel Corporation (MKL) at 4.33%. This indicates that DGX's price experiences larger fluctuations and is considered to be riskier than MKL based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| DGX | MKL | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 6.09% | 4.33% | +1.76% |
Volatility (6M)Calculated over the trailing 6-month period | 16.94% | 13.32% | +3.62% |
Volatility (1Y)Calculated over the trailing 1-year period | 23.01% | 18.87% | +4.14% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 21.81% | 22.43% | -0.62% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 23.79% | 25.27% | -1.48% |
Dividends
DGX vs. MKL - Dividend Comparison
DGX's dividend yield for the trailing twelve months is around 1.61%, while MKL has not paid dividends to shareholders.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
DGX Quest Diagnostics Incorporated | 1.61% | 1.82% | 1.96% | 2.02% | 1.66% | 1.40% | 1.85% | 1.99% | 2.34% | 1.83% | 1.72% | 2.07% |
MKL Markel Corporation | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
Financials
DGX vs. MKL - Financials Comparison
This section allows you to compare key financial metrics between Quest Diagnostics Incorporated and Markel 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
DGX vs. MKL - Profitability Comparison
DGX - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Quest Diagnostics Incorporated reported a gross profit of 942.00M and revenue of 2.90B. Therefore, the gross margin over that period was 32.5%.
MKL - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Markel Corporation reported a gross profit of 0.00 and revenue of 3.55B. Therefore, the gross margin over that period was 0.0%.
DGX - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Quest Diagnostics Incorporated reported an operating income of 399.00M and revenue of 2.90B, resulting in an operating margin of 13.8%.
MKL - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Markel Corporation reported an operating income of -273.33M and revenue of 3.55B, resulting in an operating margin of -7.7%.
DGX - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Quest Diagnostics Incorporated reported a net income of 252.00M and revenue of 2.90B, resulting in a net margin of 8.7%.
MKL - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Markel Corporation reported a net income of -335.52M and revenue of 3.55B, resulting in a net margin of -9.5%.
Frequently Asked Questions
DGX and MKL have a correlation of 0.24, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
DGX has higher volatility (6.09%) compared to MKL (4.33%). In terms of maximum drawdown, DGX dropped -49.46% vs MKL's -61.32%.
DGX currently has the higher Sharpe Ratio (0.68 vs -0.27), 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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