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Stock Comparison · Structural lead, mixed market

Ciena vs Persimmon: Which Stock Looks Stronger in 2026?

Persimmon holds the cleaner structural position, with the lead spread across valuation and profitability. Ciena still has the edge on growth, which keeps the comparison from looking entirely one-sided. In the market, Ciena carries the stronger setup — intact trend against Persimmon's broken trend. That leaves a split case: the structural lead stays with Persimmon, but the market is not currently confirming it.

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

Updated 2026-07-05

Most of the lead runs through valuation, while profitability helps make the separation broader. The overall score gap is 27 points in favour of Persimmon Plc.

Trajectory Similarity
0.64
Moderately similar
Peer-set rank: #74
within Ciena Corporation'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 points to a meaningful structural match, though not a tight one.

The match is driven mainly by 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
CIEN
Ciena Corporation
40
Peer-Score
Signal qualitylow
Peer basis: Russell 1000
vs
PSN.L
Persimmon Plc
67
Peer-Score
Signal qualitylow
Peer basis: STOXX 600

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: CIEN vs PSN.L Profitability 42 72 Stability 33 38 Valuation 12 88 Growth 87 59 CIEN PSN.L
Gap Ranking
#1 Valuation +76
#2 Profitability +30
#3 Growth +28
#4 Stability +5
Price Setup

Left means cheaper relative valuation. Higher means stronger structure.

Price setup map for CIEN and PSN.L Stronger + cheaper Stronger + richer Weaker + cheaper Weaker + richer CIENPSN.L Relative valuation Structural strength

The two profiles are relatively close, but the price setup still leans toward Persimmon Plc.

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

Relative Position vs Comparable Companies
Valuation
Persimmon Plc ranks near the top of the group on valuation; Ciena Corporation sits in the weaker half.
Profitability
On profitability, the edge is clear — both rank well, but Persimmon Plc sits noticeably higher.
Valuation — Dominant Gap
CIEN
12
PSN.L
88
Gap+76in favour of PSN.L

The multiple-based pricing edge comes from a forward P/E that is 33 turns lower.

What keeps the gap from being one-sided

Ciena still pushes back on growth, with a 20.2-point revenue-growth advantage that keeps the read from becoming one-way.

What this means for the comparison

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

Explore full peer positioning in AssetNext

Break down the CIEN vs PSN.L comparison across all dimensions with the full interactive tool.

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Other comparisons with conflicting dimension signals

Explore how CIEN and PSN.L 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.