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Big Yellow Group vs Swiss Prime Site: Which Stock Looks Stronger in 2026?

Big Yellow holds the cleaner structural position, with the lead spread across stability and profitability. Swiss Prime Site still leads on growth and stability, which keeps the comparison from looking entirely one-sided. The market setup is currently leaning toward Swiss Prime Site, which does not confirm the structural lead. That leaves a split case: the structural lead stays with Big Yellow, but the market is not currently confirming it.

The comparison is based on similar long-term financial trajectories, not sector labels. Both peer scores are relative to the STOXX 600 universe, making them directly comparable.

Updated 2026-05-17

On stability, the clearer edge sits with Swiss Prime Site AG, while the overall score remains tighter and points the other way.

Trajectory Similarity
0.77
Similar
Peer-set rank: #23
within Big Yellow Group Plc's functional peer set

This pair is matched through 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 strongest overlap appears in investment intensity and revenue stability.

Similarity drivers
investment intensityrevenue stability
What reduces the match
margin trend
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
BYG.L
Big Yellow Group Plc
57
Peer-Score
Signal qualitylow
Peer basis: STOXX 600
vs
SPSN.SW
Swiss Prime Site AG
44
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: BYG.L vs SPSN.SW Profitability 83 28 Stability 22 81 Valuation 86 48 Growth 9 27 BYG.L SPSN.SW
Gap Ranking
#1 Stability +59
#2 Profitability +55
#3 Valuation +38
#4 Growth +18
Price Setup

Left means cheaper relative valuation. Higher means stronger structure.

Price setup map for BYG.L and SPSN.SW Stronger + cheaper Stronger + richer Weaker + cheaper Weaker + richer BYG.LSPSN.SW Relative valuation Structural strength

Big Yellow Group Plc and Swiss Prime Site AG look relatively close on structure, but the price setup still leans toward Big Yellow Group Plc.

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

Relative Position vs Comparable Companies
Stability
Swiss Prime Site AG ranks near the top of the group on stability; Big Yellow Group Plc sits in the weaker half.
Profitability
The same broad pattern appears on profitability: Big Yellow Group Plc ranks near the top of the group, while Swiss Prime Site AG stays in the weaker half.
Stability — Dominant Gap
BYG.L
22
SPSN.SW
81
Gap+59in favour of SPSN.SW

The clearest distance comes from a steadier profile over time.

What keeps the gap from being one-sided

Earnings growth also leans toward SPSN.SW, which keeps the score lead from reading as a full growth sweep.

What this means for the comparison

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

Explore full peer positioning in AssetNext

Break down the BYG.L vs SPSN.SW comparison across all dimensions with the full interactive tool.

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Other comparisons with conflicting dimension signals

Explore how BYG.L and SPSN.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.