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Company Profile

DGX insider trades (13 months) →

Today's multi-factor rank: 182 of 466 · see the ranking

Quest Diagnostics Incorporated (DGX): Quantitative Analysis

Quest Diagnostics Incorporated (DGX) — Healthcare — Diagnostics & Research. DGX is in the S&P 500 today. Model factor scores and market data, recalculated every trading day.

So far in 2026, DGX has returned +43.5% against +12.2% for the S&P 500 (SPY): total return, dividends included on both sides, from Dec 31, 2025 to Sep 18, 2026.

DGX ranks 182 of 466 on today's multifactor score, and 26 of the 55 Healthcare companies that score. Its strongest factor is momentum (Z 0.72, ranked 81 of 497); its weakest is quality (Z -0.28, ranked 312 of 473). Each factor ranks only the companies with data for it, and the multifactor score only those with all four: that is why the totals differ.

Factor scores

The Z-Score is how many standard deviations the company sits from the index average: 0 is average, positive is better than average, negative is worse.

FactorZ-ScoreRank
Multifactor0.031182 of 466 ↑13
Momentum0.72381 of 497 ↑12
Value-0.169254 of 494 =
Quality-0.275312 of 473 =
Growth-0.156251 of 494 ↑1

Market data

MetricValue
Price$246.45
Market Cap27.20B
P/E26.13
Revenue (last 12 months)11.56B
Price / book3.61
Book value per share$68.33
52-week range$171.18 – $248.70
Dividend yield1.39%
Beta0.55
Average volume977,487
Shares outstanding110.37M
Short interest (% of float)3.13% (as of Aug 31, 2026)

When does DGX report earnings? 12 of its last 12, before the open →

What are DGX insiders doing? 115 transactions filed with the SEC, of them 26 sells, the last one on Sep 1, 2026 →

Data as of Sep 18, 2026. Source: point-in-time SEC fundamentals and closing prices. Method and formulas are on the home page.

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S&P 500 market gravity