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Quest Diagnostics vs Sonova Holding: Which Stock Looks Stronger in 2026?

Quest Diagnostics holds the cleaner structural position, with the lead spread across growth and stability. Sonova 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. Peer scores are normalised within each company's primary universe (DGX: Russell 1000, SOON.SW: STOXX 600).

Updated 2026-05-17

The clearest separation starts in growth, but stability adds another real layer to the result. Quest Diagnostics Incorporated leads by 19 points on the overall comparison score.

Trajectory Similarity
0.76
Similar
Peer-set rank: #7
within Quest Diagnostics Incorporated's functional peer set

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

The pair sits on a clearly comparable long-term path, though it is not a near-twin match.

The clearest structural overlap shows up in capital structure and margin consistency.

Similarity drivers
capital structuremargin consistency
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
DGX
Quest Diagnostics Incorporated
69
Peer-Score
Signal qualitylow
Peer basis: Russell 1000
vs
SOON.SW
Sonova Holding AG
50
Peer-Score
Signal qualitylow
Peer basis: STOXX 600

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

Score differences across key dimensions.

Dimension spread: DGX vs SOON.SW Profitability 48 64 Stability 78 45 Valuation 80 58 Growth 75 22 DGX SOON.SW
Gap Ranking
#1 Growth +53
#2 Stability +33
#3 Valuation +22
#4 Profitability +16
Price Setup

Left means cheaper relative valuation. Higher means stronger structure.

Price setup map for DGX and SOON.SW Stronger + cheaper Stronger + richer Weaker + cheaper Weaker + richer DGXSOON.SW Relative valuation Structural strength

Quest Diagnostics Incorporated looks stronger on relative valuation, while the broader price setup remains mixed.

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

Entry today — historical context

Where DGX and SOON.SW each sit in their own 5-year price and valuation history.

BASED ON 5-YEAR HISTORY DGX Elevated · above norm 0th 50th 100th 91 pct gap SOON.SW Lower · below norm 0th 50th 100th 93rd 2nd
Today SOON.SW sits in the lower portion of its own 5-year history (2nd percentile), while DGX sits higher in its own history (93rd). Within each stock's own 5-year context, SOON.SW is at a historically more favourable entry position than DGX. This reflects entry timing, not which company is structurally stronger — peer-relative analysis is a separate question addressed above.

Describes historical entry positioning only. Descriptive — not investment advice.

Relative Position vs Comparable Companies
Growth
On growth, Quest Diagnostics Incorporated ranks near the top of the group; Sonova Holding AG sits in the weaker half.
Stability
On stability, the edge is clear — both rank well, but Quest Diagnostics Incorporated sits noticeably higher.
Growth — Dominant Gap
DGX
75
SOON.SW
22
Gap+53in favour of DGX

One company is still expanding while the other is contracting, which creates a very wide growth split.

What keeps the gap from being one-sided

Capital efficiency also runs the other way, with a 7.6-point ROIC edge acting as a real counterforce.

What this means for the comparison

The lead is built on both growth and stability — though profitability still provides a counterweight.

Explore full peer positioning in AssetNext

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

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Similar growth-and-stability comparisons

Explore how DGX and SOON.SW 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.

Because scores are peer-relative, the same company can have slightly different scores in different index universes. On comparison pages, both companies are shown within their shared peer universe wherever possible — so the scores are directly comparable. The peer basis is stated on each score card.

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.