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DGX · NYSE · Services-Medical Laboratories

Quest Diagnostics Inc

Overview

Quest Diagnostics Inc is listed on NYSE and classified as Services-Medical Laboratories. We have no business description beyond that classification; its SEC filings describe the business.

What we have on this company
InformationStatusAs of
Detailed research reportNo report
Rule-based screensScored, on no current shortlist2026-10-31
ValuationModel 155.51 (-38% vs price)2026-10-31
Chart-pattern readNo read
Paper portfolioNever held

Scores

Deterministic rule outputs, snapshot 2026-10-31 · price 251.82 on 2026-10-30. Not recommendations.

MethodScoreInputs as ofFlags
Graham Defensive562025-12-31 stale input
Magic Formula622026-03-31 stale input
Momentum852026-10-30
Insider02026-10-30
Buffett Quality702026-09-30
Lynch GARP302026-09-30
Graham Enterprising402026-09-30
Piotroski F-Score89

Every input with its filing: full score sheet · research packet (JSON) · Markdown · SEC filings.

Valuation

Model estimate from SEC filings · calculated 2026-10-31 from the 2026-10-30 close · filings through 2026-10-23

155.51 -38% vs price

Range 116.86 to 156.44, 3 of 3 methods agree. A labelled model estimate, not a price target. Method.