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Stock Comparison · Structural lead, mixed market

Cencora vs Quest Diagnostics: Which Stock Looks Stronger in 2026?

The structural profiles are close, with Quest Diagnostics carrying a narrow edge on profitability. Cencora still has the edge on profitability, which keeps the comparison from looking entirely one-sided. The market setup broadly confirms the structural lead — Quest Diagnostics holds the more constructive position. That puts structure and market broadly in agreement — Quest Diagnostics's lead looks more confirmed than conflicted.

The comparison is based on similar long-term financial trajectories, not sector labels.

Updated 2026-04-05

The page question resolves through profitability, where Cencora, Inc. holds the stronger read even though the broader score still favours Quest Diagnostics Incorporated.

Trajectory Similarity
0.75
Similar
Peer-set rank: #28
within Cencora, Inc.'s functional peer set

This comparison is anchored in long-term financial trajectory similarity within the selected peer universe.

A solid similarity means the pair shares a clearly comparable long-term financial profile, even if individual dimensions still differ.

The match is driven mainly by margin consistency and investment intensity.

Similarity drivers
margin consistencyinvestment intensity
How to read the score
0.85–1.00 · Very similar0.70–0.84 · Similar0.55–0.69 · Moderately similarbelow 0.55 · Loose match
Peer-Relative Score
COR
Cencora, Inc.
53
Peer-Score
Signal qualityMedium
vs
DGX
Quest Diagnostics Incorporated
58
Peer-Score
Signal qualityHigh

Scores reflect position relative to comparable companies with similar long-term financial trajectories.

The largest gaps do not all point in the same direction.

Dimension spread: COR vs DGX Profitability 64 21 Stability 77 97 Valuation 45 78 Growth 22 44 COR DGX
Gap Ranking
#1 Profitability +43
#2 Valuation +33
#3 Growth +22
#4 Stability +20
Price Setup

Left means cheaper relative valuation. Higher means stronger structure.

Price setup map for COR and DGX Stronger + cheaper Stronger + richer Weaker + cheaper Weaker + richer CORDGX Relative valuation Structural strength

The two profiles are relatively close, but the price setup still leans toward Quest Diagnostics Incorporated.

Valuation position uses peer-relative PE percentile (idx_pct_pe) where available.

Relative Position vs Comparable Companies
Profitability
Cencora, Inc. sits in the stronger part of the group on profitability, while Quest Diagnostics Incorporated is closer to mid-pack.
Valuation
Both profiles are strong on valuation, but Quest Diagnostics Incorporated leads clearly.
Profitability — Dominant Gap
COR
64
DGX
21
Gap+43in favour of COR

The profitability lead is mainly driven by a 12.8-point operating margin advantage.

What else supports the lead

Quest Diagnostics Incorporated also shows lower market-fundamental divergence, which makes the lead look less detached from the underlying business picture.

What this means for the comparison

Profitability is the clearest driver of the lead, with valuation adding further support — though profitability still provides a real counterweight.

Explore full peer positioning in AssetNext

Break down the COR vs DGX comparison across all dimensions with the full interactive tool.

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Other comparisons with conflicting dimension signals

Explore how COR and DGX each compare against other companies in their peer groups.

Rule-based, descriptive analysis only. Derived from peer percentile dimensions. Not investment advice. Peer groups are determined algorithmically based on structural similarity — not by sector classification alone.

How AssetNext Peer Scores Work

AssetNext scores reflect each company's structural position within its functional peer group — not a ranking against all stocks simultaneously. Peers are identified by similarity across eight financial dimensions, including revenue growth trajectory, margin structure, capital intensity, and earnings stability. A score of 75 means the company ranks in the top quartile within its own peer group, not the entire market.

Four dimension scores drive the overall peer score: Growth (revenue trajectory and expansion dynamics), Quality (margin structure and capital efficiency), Valuation (peer-relative pricing on standard multiples), and Stability (earnings consistency and financial predictability). Each dimension is scored 0–100 relative to the peer group, then combined into an overall peer score using equal weighting.

Scores are recalculated periodically as underlying financial data is updated. All analysis is descriptive and rule-based — AssetNext describes structural realities and never issues buy, sell or hold recommendations.