Quest Diagnostics Incorporated Common Stock (DGX)
Healthcare › Services-Medical Laboratories
Price History
Feb 9, 2026 — May 20, 2026Investment Snapshot
- Trading 64% above Graham Number — above intrinsic value estimate
- Piotroski F-Score 8/9 — financially strong with improving fundamentals
- ROE of 13.6% — below-average profitability
- Revenue growing at 12% annually
Quest Diagnostics Incorporated Common Stock (DGX) is a Healthcare company operating in Services-Medical Laboratories, listed on the NYSE , with a market capitalisation of $21.1 billion . Key value metrics: P/E ratio 21.1, P/B ratio 2.86, Piotroski F-Score 8 out of 9 (strong financial health) .
Value Score
Key Metrics
Current vs 5-Year Average
Based on 5 years of SEC filingsRevenue & Net Income
Financial Statements
| Metric | FY22 | FY23 | FY24 |
|---|---|---|---|
| Revenue | $X.XB | $X.XB | $X.XB |
| Gross Profit | $X.XB | $X.XB | $X.XB |
| Operating Income | $X.XB | $X.XB | $X.XB |
| Net Income | $X.XB | $X.XB | $X.XB |
| EBITDA | $X.XB | $X.XB | $X.XB |
| Total Assets | $X.XB | $X.XB | $X.XB |
| Total Liabilities | $X.XB | $X.XB | $X.XB |
Quest Diagnostics Incorporated Common Stock — Fundamental Analysis Summary
Quest Diagnostics Incorporated Common Stock (DGX) is currently trading 64% above its Graham Number of $116.24, suggesting the market price exceeds Benjamin Graham's intrinsic value estimate. The stock carries an elevated trailing P/E ratio of 21.1x.
On financial health, DGX shows a strong Piotroski F-Score of 8/9, indicating improving fundamentals across profitability, leverage, and efficiency, and modest return on equity of 13.6% (sector average: -20.6%), and manageable leverage with a debt-to-equity ratio of 0.77.
StockPik's composite Value Score for DGX is 72/100 — placing it in undervalued territory. The score is built from ten fundamental signals: P/E, P/B, PEG ratio, P/S ratio, return on equity, gross margin, debt-to-equity, current ratio, dividend yield, and Piotroski F-Score.
DGX reports a moderate gross margin of 33.2% (sector average: 40.1%) and a solid operating margin of 14.1%.
DGX shows revenue growing at 12% year-over-year, with earnings growing at 14%.
DGX pays a modest dividend yield of 1.7%.