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Stock Comparison · Structural lead, mixed market

Diploma vs Howmet Aerospace: Which Stock Looks Stronger in 2026?

Howmet Aerospace holds the cleaner structural position, with growth as the main driver and stability adding further support. Diploma still has the edge on profitability, which keeps the comparison from looking entirely one-sided. The market setup is broadly comparable for both — no clear directional signal from price behavior. The market is not adding a decisive signal either way — the structural read carries the weight.

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

Updated 2026-05-17

The result is anchored in growth, but stability also reinforces the same direction.

Trajectory Similarity
0.77
Similar
Peer-set rank: #13
within Diploma PLC's functional peer set

These two companies are linked by measured long-term financial trajectory similarity within the selected peer universe.

This level of similarity signals a strong structural match, even though some dimensions still separate the two companies.

The clearest structural overlap shows up in revenue stability and capital structure.

Similarity drivers
revenue stabilitycapital structure
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
DPLM.L
Diploma PLC
47
Peer-Score
Signal qualitylow
Peer basis: STOXX 600
vs
HWM
Howmet Aerospace Inc.
53
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: DPLM.L vs HWM Profitability 66 52 Stability 42 59 Valuation 29 31 Growth 49 80 DPLM.L HWM
Gap Ranking
#1 Growth +31
#2 Stability +17
#3 Profitability +14
#4 Valuation +2
Price Setup

Left means cheaper relative valuation. Higher means stronger structure.

Price setup map for DPLM.L and HWM Stronger + cheaper Stronger + richer Weaker + cheaper Weaker + richer DPLM.LHWM Relative valuation Structural strength

The setup is mixed: neither company clearly combines the stronger profile with the more supportive price setup.

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

Relative Position vs Comparable Companies
Growth
Both profiles are strong on growth, but Howmet Aerospace Inc. leads clearly.
Stability
On stability, the edge still sits with Howmet Aerospace Inc., even though both profiles look solid.
Growth — Dominant Gap
DPLM.L
49
HWM
80
Gap+31in favour of HWM

Earnings growth is one contributing factor within the growth lead.

What keeps the gap from being one-sided

Profitability still leans toward Diploma PLC, so the lead is real without reading as one-way.

What this means for the comparison

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

Explore full peer positioning in AssetNext

Break down the DPLM.L vs HWM comparison across all dimensions with the full interactive tool.

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Similar growth-and-stability comparisons

Explore how DPLM.L and HWM 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.