Quest Diagnostics Incorporated (DGX) Sharpe Ratio: 0.57

DGX's Sharpe Ratio of 0.57 indicates that for each unit of volatility, it generates 0.57 units of excess return above the risk-free rate. The ratio is calculated using historical daily returns over the past 12 months (as of Jun 3, 2026).

Sharpe uses total volatility (standard deviation) which includes both upside and downside price movements, making it useful for comparing risk-adjusted returns across different assets.

DGX Sharpe Ratio Rank

Average

DGX ranks above 59.4% of all investments in our database based on Sharpe Ratio over the past 12 months, showing balanced returns relative to total risk taken. Securities are ranked from 0 (worst) to 100 (best).

What moves the rank

Strong returns with low total volatility → Higher rank
High volatility (both upside and downside) → Lower rank
Consistent returns → Higher rank than volatile returns of same magnitude
Sharp drawdowns increase volatility → Lower rank

What you can do with this information

Returns are proportional to volatility—neither strong nor weak
Evaluate whether the volatility profile aligns with your risk tolerance
Review higher-ranked alternatives in the same category
Monitor rank direction to identify improving or deteriorating trends

DGX Sharpe Ratio Market Positioning

The chart shows DGX's Sharpe Ratio relative to all stocks on our platform, with color zones indicating percentile rankings. Higher ratios indicate better risk-adjusted returns.

Red zone (bottom 25%): -0.37 or lower
Yellow zone (middle 50%): -0.37 to 1.20
Green zone (top 25%): 1.20 or higher
Top 1%: 6.06+
Median: 0.27 — half of all investments score higher

How it compares to other similar stocks

The table compares Quest Diagnostics Incorporated's Sharpe Ratio with other stocks in the Diagnostics & Research industry across multiple time periods, showing how DGX's risk-adjusted performance compares to industry peers.

Data shows 1-, 5-, and 10-year periods, plus each stock's all-time average, as of Jun 3, 2026.

Symbol	Name	1Y Sharpe Ratio
CELC	Celcuity Inc.	3.80
GH	Guardant Health, Inc.	3.61
ILMN	Illumina, Inc.	2.16
TWST	Twist Bioscience Corporation	1.91
WUXAY	WuXi AppTec Co. Ltd	1.81
BNR	Burning Rock Biotech Limited	1.51
PRPO	Precipio, Inc.	1.51
PSNL	Personalis, Inc.	1.43
PRE	Prenetics Global Ltd	1.35
BDSX	Biodesix, Inc.	1.31
DGX	Quest Diagnostics Incorporated	0.57

Benchmark Against

Benchmark

S&P 500 Index

Lookback Period

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Historical Sharpe Ratio

The chart shows DGX's rolling Sharpe ratio over time compared to your chosen benchmark. Rising trends indicate improving returns relative to total volatility, while declining trends may signal deteriorating risk-adjusted performance or increased volatility. Use multiple timeframes to distinguish short-term fluctuations from long-term patterns.

Identify market cycles by observing when DGX consistently outperforms (line above benchmark), underperforms (below benchmark), or aligns with the benchmark.

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Sharpe Ratio Calculator

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