Home Compare STLAM.MI vs WLK
Stock Comparison · Structural lead, mixed market

Stellantis N.V. vs Westlake: Which Stock Looks Stronger in 2026?

Stellantis holds the cleaner structural position, with growth as the main driver and stability adding further support. Westlake still has the edge on stability, which keeps the comparison from looking entirely one-sided. Both sides have seen trend damage — neither carries a clear market edge right now. With both trends damaged, the structural comparison carries most of the weight here.

The comparison is based on similar long-term financial trajectories, not sector labels. Peer scores are normalised within each company's primary universe (STLAM.MI: STOXX 600, WLK: Russell 1000).

Updated 2026-05-17

Growth still does most of the heavy lifting in this comparison. The overall score gap is 15 points in favour of Stellantis N.V..

Trajectory Similarity
0.71
Similar
Peer-set rank: #9
within Stellantis N.V.'s functional peer set

These two companies are linked by measured 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 strongest overlap appears in capital structure and recent revenue growth.

Similarity drivers
capital structurerecent revenue growth
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
STLAM.MI
Stellantis N.V.
52
Peer-Score
Signal qualitylow
Peer basis: STOXX 600
vs
WLK
Westlake Corporation
37
Peer-Score
Signal qualitylow
Peer basis: Russell 1000

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: STLAM.MI vs WLK Profitability 15 10 Stability 22 39 Valuation 88 76 Growth 85 16 STLAM.MI WLK
Gap Ranking
#1 Growth +69
#2 Stability +17
#3 Valuation +12
#4 Profitability +5
Price Setup

Left means cheaper relative valuation. Higher means stronger structure.

Price setup map for STLAM.MI and WLK Stronger + cheaper Stronger + richer Weaker + cheaper Weaker + richer STLAM.MIWLK Relative valuation Structural strength

Stellantis N.V. still looks stronger, and the price setup does not materially undermine that lead.

Valuation position uses Forward P/E where available.

Entry today — historical context

Where STLAM.MI and WLK each sit in their own 5-year price and valuation history.

BASED ON 5-YEAR HISTORY STLAM.MI Lower · above norm 0th 50th 100th 24 pct gap WLK Lower · near norm 0th 50th 100th 3rd 27th
Today STLAM.MI sits in the lower portion of its own 5-year history (3rd percentile), while WLK sits higher in its own history (27th). Within each stock's own 5-year context, STLAM.MI is at a historically more favourable entry position than WLK. 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
Stellantis N.V. ranks near the top of the group on growth; Westlake Corporation sits in the weaker half.
Stability
Neither side looks especially strong on stability, though Westlake Corporation still ranks somewhat higher.
Growth — Dominant Gap
STLAM.MI
85
WLK
16
Gap+69in favour of STLAM.MI

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

Westlake Corporation still carries lower volatility exposure — that difference is real enough to prevent the comparison from becoming one-sided.

What this means for the comparison

The growth edge is decisive, but stability still pushes back — the result holds, but not without a real counterweight.

Explore full peer positioning in AssetNext

Break down the STLAM.MI vs WLK comparison across all dimensions with the full interactive tool.

Explore full breakdown →
Similar growth-driven comparisons

Explore how STLAM.MI and WLK 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.