Quest Diagnostics (DGX) is a health care services company in the Health Care sector. Listed on the NASDAQ, Quest Diagnostics is a component of the S&P 500 index. As of 2026-06-10, the stock is trading at $203.78.
Key Metrics & Risk
Based on 5-year historical data from Yahoo Finance (daily returns, annualized using 252 trading days).
| Metric | Value |
|---|---|
| Latest Price | $203.78 |
| Latest Date | 2026-06-10 |
| Expected Return (Annualized) | 13.80% |
| Risk / Std Dev (Annualized) | 21.83% |
| Sharpe Ratio (rf=4.5%) | 0.43 |
S&P 500 Context
- Sector: Health Care
- Sub-Industry: Health Care Services
- Exchange: NASDAQ
- Index: S&P 500 Component
Risk/Return Profile
The stock shows an annualized expected return of 13.80% with an annualized volatility of 21.83%. The Sharpe ratio of 0.43 (assuming 4.5% risk-free rate) indicates below-average risk-adjusted returns relative to the risk-free rate.
Modern Portfolio Theory Positioning
This stock is plotted on the S&P 500 Modern Portfolio Theory chart which visualizes the risk/return trade-off across all S&P 500 components. The chart uses Sharpe ratio as the color dimension, allowing quick identification of stocks with superior risk-adjusted performance.
Fundamentals
| Metric | Value |
|---|---|
| Market Cap | 22.56B |
| Enterprise Value | 28.95B |
| Trailing P/E | 22.52 |
| Forward P/E | 17.46 |
| Price to Book | 3.07 |
| Price to Sales | 2.0 |
| EV/Revenue | 2.57 |
| EV/EBITDA | 13.01 |
| Profitability | | | Profit Margin | 9.08% | | Operating Margin | 14.2% | | ROE | 14.54% | | ROA | 6.35% |
| Growth | | | Revenue Growth | 9.2% | | Earnings Growth | 15.5% |
| Dividend | | | Dividend Yield | 169.0% | | Payout Ratio | 36.02% | | 5Y Avg Yield | 185.0% |
| Financial Health | | | Total Revenue | 11.28B | | Total Debt | 6.41B | | Total Cash | 0.39B | | Free Cash Flow | 0.95B | | Operating Cash Flow | 1.85B |
| Price & Technical | | | 52W High | $213.5$ | | 52W Low | $164.65$ | | 50-Day Avg | $194.4$ | | 200-Day Avg | $188.84$ | | Beta | 0.59 | | Shares Outstanding | 0.11B | | Float Shares | 0.11B | | Insider Holdings | 0.43% | | Institutional Holdings | 97.95% | | Short Ratio | 4.19 | | Short % of Float | 3.11% |
| Analyst Targets | | | Target High | $245.0$ | | Target Low | $184.0$ | | Target Mean | $223.44$ | | Target Median | $225.0$ | | # of Analysts | 16 | | Recommendation | buy |
Disclaimer
This analysis is for educational purposes only and does not constitute financial advice. Past performance is not indicative of future results. Always conduct your own research or consult a qualified financial advisor before making investment decisions.