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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 profitability as the main driver and growth adding further support. Diploma does not offset that deficit through any equally strong structural edge elsewhere. 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.

Updated 2026-04-05

Profitability remains the main source of distance in the comparison. The overall score gap is 20 points in favour of Howmet Aerospace Inc..

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
38
Peer-Score
Signal qualityMedium
vs
HWM
Howmet Aerospace Inc.
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: DPLM.L vs HWM Profitability 37 87 Stability 57 60 Valuation 28 34 Growth 36 50 DPLM.L HWM
Gap Ranking
#1 Profitability +50
#2 Growth +14
#3 Valuation +6
#4 Stability +3
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

Neither company combines the stronger profile with the cheaper valuation.

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

Relative Position vs Comparable Companies
Profitability
Howmet Aerospace Inc. ranks near the top of the group on profitability; Diploma PLC sits in the weaker half.
Growth
Howmet Aerospace Inc. sits in the stronger part of the group on growth, while Diploma PLC is closer to mid-pack.
Profitability — Dominant Gap
DPLM.L
37
HWM
87
Gap+50in favour of HWM

The profitability lead is mainly driven by a 7.4-point operating margin advantage.

What else supports the lead

Howmet Aerospace Inc. 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, and growth also supports Howmet Aerospace Inc.'s broader structural position.

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 profitability-driven 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.

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.