CERS vs. DGX
CERS (Cerus Corporation) and DGX (Quest Diagnostics Incorporated) are both stocks. Both are in the Healthcare sector — CERS in Biotechnology, DGX in Diagnostics & Research. Over the past 10 years, CERS returned -11.37%/yr vs 12.79%/yr for DGX. Their 0.18 correlation means their historical movements had little consistent relationship.
Performance
CERS vs. DGX - Performance Comparison
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Returns By Period
In the year-to-date period, CERS achieves a 4.37% return, which is significantly lower than DGX's 36.03% return. Over the past 10 years, CERS has underperformed DGX with an annualized return of -11.37%, while DGX has yielded a comparatively higher 12.79% annualized return.
CERS
- 1D
- -25.61%
- 1M
- -31.96%
- 6M
- -7.73%
- YTD
- 4.37%
- 1Y
- 69.29%
- 3Y*
- -10.21%
- 5Y*
- -15.67%
- 10Y*
- -11.37%
- ALL TIME*
- -5.73%
DGX
- 1D
- -0.55%
- 1M
- 8.45%
- 6M
- 25.64%
- YTD
- 36.03%
- 1Y
- 38.78%
- 3Y*
- 22.45%
- 5Y*
- 12.61%
- 10Y*
- 12.79%
- ALL TIME*
- 16.17%
Liquidity Comparison
| Position | Avg. Volume Value (2W) | Avg. Volume Value (1M) | Avg. Volume Value (3M) |
|---|---|---|---|
| $7.50M | $7.32M | $7.35M | |
| $320.44M | $243.98M | $192.25M |
CERS vs. DGX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
CERS Cerus Corporation | 4.37% | 33.77% | -28.70% | -40.82% | -46.40% | -1.59% | 63.98% | -16.77% | 50.00% | -22.30% |
DGX Quest Diagnostics Incorporated | 36.03% | 17.20% | 11.77% | -10.05% | -7.80% | 47.86% | 14.11% | 31.13% | -13.84% | 9.16% |
Correlation
The correlation between CERS and DGX is 0.15, which is low. Their historical price movements had little consistent relationship.
| Correlation | |
|---|---|
Correlation (1Y) Focuses on recent behavior, but can change the most. | 0.16 |
Correlation (3Y) Balances recent behavior with more history. | 0.15 |
Correlation (5Y) Shows whether the relationship held over a longer period. | 0.22 |
Correlation (10Y) Provides a long-term view across more market conditions. | 0.22 |
Correlation (All Time) Calculated using the full available price history since Jan 31, 1997 | 0.18 |
Fundamentals
CERS:
$430.79M
DGX:
$25.72B
CERS:
-$0.03
DGX:
$9.46
CERS:
1.83
DGX:
2.26
CERS:
6.00
DGX:
3.47
CERS:
$227.78M
DGX:
$11.56B
CERS:
$121.55M
DGX:
$3.83B
CERS:
$2.48M
DGX:
$2.01B
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Return for Risk
CERS vs. DGX — Risk / Return Rank
CERS
DGX
CERS vs. DGX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Cerus Corporation (CERS) and Quest Diagnostics Incorporated (DGX). 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.
| CERS | DGX | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.89 | ||
| Sortino ratioReturn per unit of downside risk | -1.11 | ||
| Omega ratioGain probability vs. loss probability | 1.22 | 1.33 | -0.11 |
| Calmar ratioReturn relative to maximum drawdown | 1.78 | 3.62 | -1.84 |
| Martin ratioReturn relative to average drawdown | 4.50 | 7.81 | -3.31 |
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Drawdowns
CERS vs. DGX - Drawdown Comparison
The maximum CERS drawdown since its inception was -99.28%, which is greater than DGX's maximum drawdown of -49.46%. Use the drawdown chart below to compare losses from any high point for CERS and DGX.
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Drawdown Indicators
| CERS | DGX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -99.28% | -49.46% | -49.82% |
Max Drawdown (1Y)Largest decline over 1 year | -38.32% | -11.55% | -26.77% |
Max Drawdown (3Y)Largest decline over 3 years | -52.46% | -12.44% | -40.02% |
Max Drawdown (5Y)Largest decline over 5 years | -85.37% | -28.62% | -56.75% |
Max Drawdown (10Y)Largest decline over 10 years | -86.45% | -36.60% | -49.85% |
Current DrawdownCurrent decline from peak | -97.33% | -1.24% | -96.09% |
Average DrawdownAverage peak-to-trough decline | -81.46% | -11.85% | -69.61% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 15.15% | 5.35% | +9.80% |
Volatility
CERS vs. DGX - Volatility Comparison
Cerus Corporation (CERS) has a higher volatility of 32.20% compared to Quest Diagnostics Incorporated (DGX) at 10.20%. This indicates that CERS's price experiences larger fluctuations and is considered to be riskier than DGX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| CERS | DGX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 32.20% | 10.20% | +22.00% |
Volatility (6M)Calculated over the trailing 6-month period | 59.83% | 18.50% | +41.33% |
Volatility (1Y)Calculated over the trailing 1-year period | 79.08% | 23.82% | +55.26% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 70.84% | 22.35% | +48.49% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 63.78% | 23.99% | +39.79% |
Dividends
CERS vs. DGX - Dividend Comparison
CERS has not paid dividends to shareholders, while DGX's dividend yield for the trailing twelve months is around 1.42%.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
CERS Cerus 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% |
DGX Quest Diagnostics Incorporated | 1.42% | 1.82% | 1.96% | 2.02% | 1.66% | 1.40% | 1.85% | 1.99% | 2.34% | 1.83% | 1.72% | 2.07% |
Financials
CERS vs. DGX - Financials Comparison
This section allows you to compare key financial metrics between Cerus Corporation and Quest Diagnostics 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
CERS vs. DGX - Profitability Comparison
CERS - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Aug 2026, Cerus Corporation reported a gross profit of 29.53M and revenue of 57.44M. Therefore, the gross margin over that period was 51.4%.
DGX - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Aug 2026, Quest Diagnostics Incorporated reported a gross profit of 1.03B and revenue of 3.04B. Therefore, the gross margin over that period was 33.8%.
CERS - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Aug 2026, Cerus Corporation reported an operating income of -1.86M and revenue of 57.44M, resulting in an operating margin of -3.2%.
DGX - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Aug 2026, Quest Diagnostics Incorporated reported an operating income of 459.00M and revenue of 3.04B, resulting in an operating margin of 15.1%.
CERS - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Aug 2026, Cerus Corporation reported a net income of -2.94M and revenue of 57.44M, resulting in a net margin of -5.1%.
DGX - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Aug 2026, Quest Diagnostics Incorporated reported a net income of 320.00M and revenue of 3.04B, resulting in a net margin of 10.5%.
Frequently Asked Questions
CERS and DGX have a correlation of 0.15, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
CERS has higher volatility (32.20%) compared to DGX (10.20%). In terms of maximum drawdown, CERS dropped -99.28% vs DGX's -49.46%.
DGX currently has the higher Sharpe Ratio (1.76 vs 0.86), 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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