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QUEST DIAGNOSTICS INC (DGX) is a services-medical laboratories company. Piotroski F-Score 6/7. 20 insider Form 4 filings in the last 90 days. Next earnings projected around 2026-07-21 from DGX's year-over-year reporting pattern (not yet company-confirmed). Fundamentals from SEC filings; prices are end-of-day.
EOD daily bars · delayed, not real-time · data: DatabentoCharting by TradingView Lightweight Charts™
XBRL company facts, SEC EDGAR. TTM = last four reported quarters. Valuation ratios arrive with a price source — we don't fake quotes.
FY ending 2025-12-31 vs 2024-12-31. original 1968 formula; calibrated on manufacturers, read financials/REITs with care
A plain-English read on DGX plus an auto-SWOT — built from DGX's SEC filings and market data, every point cited, nothing invented. Educational, not investment advice.
Four AI analysts — a bull, a bear, a risk manager, and a PM — debate DGX using only the SEC-filing and market facts below. Every point cites its evidence; nothing is invented. This is educational research, not investment advice.
Educational only — not financial advice. Data from SEC EDGAR public filings; no live market data is shown. Figures reflect the company's own reported XBRL facts and may lag.
| Davis Selected Advisers (Chris Davis) | $317.1M | 1.5% of portfolio |
| KUPPUSAMY KARTHIKSVP, Clinical Solutions | SELL | $1.6M | view → |
| Davis J. E.CEO and President | SELL | $1.9M | view → |
| Doherty Catherine T.EVP, Regional Businesses | SELL | $1.1M | view → |
Projected from DGX's own SEC 8-K filing history — the year-over-year reporting pattern (~50% land the exact day, ~90% within a week). No analyst estimates, no scraped calendars, nothing invented. It upgrades to a confirmed date + time the moment DGX files its announcement.
DGX has rallied after 7 of its last 8 earnings reports.
Earnings reactions have been moderate.
DGX has traded higher after most recent earnings releases.
The average is inflated by its most volatile prints (+9.4% and -4.9%).
A more typical earnings reaction has been approximately ±4.9%.
Realized close-to-close history only — no options-implied move, no analyst estimates.
| Reported | Close-to-close |
|---|---|
| 2026-04-21 | +3.9% |
| 2026-02-10 | +9.4% |
| 2026-01-12 | +3.2% |
| 2025-10-21 | -4.9% |
| 2025-07-22 | +2.4% |
| 2025-04-22 | +7.2% |
| 2025-01-30 |
Earnings dates are the company's 8-K Item 2.02 filings (SEC). Reactions from Databento EOD.
| +4.9% |
| 2024-10-22 | +6.6% |