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Stock Comparison · Structural lead, mixed market

American Tower vs Simon Property Group: Which Stock Looks Stronger in 2026?

Simon Property holds the cleaner structural position, with the lead spread across profitability and valuation. American Tower still has the edge on growth, which keeps the comparison from looking entirely one-sided. On the market side, Simon Property is in better shape — its trend is intact while American Tower's trend has broken down. That puts structure and market broadly in agreement — Simon Property's lead looks more confirmed than conflicted.

The comparison is based on similar long-term financial trajectories, not sector labels. Both peer scores are relative to the S&P 500 universe, making them directly comparable.

Updated 2026-08-16

The clearest score difference appears in profitability. The overall score gap is 18 points in favour of Simon Property Group, Inc..

Trajectory Similarity
0.74
Similar
Peer-set rank: #4
within American Tower Corporation's functional peer set

This comparison is anchored in 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 match is driven mainly by capital structure and revenue stability.

Similarity drivers
capital structurerevenue stability
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
AMT
American Tower Corporation
54
Peer-Score
Signal qualitylow
Peer basis: S&P 500
vs
SPG
Simon Property Group, Inc.
72
Peer-Score
Signal qualitylow
Peer basis: S&P 500

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: AMT vs SPG Profitability 49 87 Stability 40 46 Valuation 56 84 Growth 74 60 AMT SPG
Gap Ranking
#1 Profitability +38
#2 Valuation +28
#3 Growth +14
#4 Stability +6
Price Setup

Left means cheaper relative valuation. Higher means stronger structure.

Price setup map for AMT and SPG Stronger + cheaper Stronger + richer Weaker + cheaper Weaker + richer AMTSPG Relative valuation Structural strength

The price setup looks more supportive for Simon Property Group, Inc., but American Tower Corporation still has the stronger structure.

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

Entry today — historical context

Where AMT and SPG each sit in their own 5-year price and valuation history.

BASED ON 5-YEAR HISTORY AMT Lower · below norm 0th 50th 100th 72 pct gap SPG Elevated · below norm 0th 50th 100th 26th 98th
Today AMT sits in the lower-middle of its own 5-year history (26th percentile), while SPG sits higher in its own history (98th). Within each stock's own 5-year context, AMT is at a historically more favourable entry position than SPG. 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
Profitability
Both rank well on profitability, but Simon Property Group, Inc. still holds a clear edge.
Valuation
On valuation, the edge is clear — both rank well, but Simon Property Group, Inc. sits noticeably higher.
Profitability — Dominant Gap
AMT
49
SPG
87
Gap+38in favour of SPG

Capital efficiency adds support, with a 11-point ROIC advantage.

What keeps the gap from being one-sided

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

What this means for the comparison

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

Explore full peer positioning in AssetNext

Break down the AMT vs SPG comparison across all dimensions with the full interactive tool.

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Similar profitability-and-valuation comparisons

Explore how AMT and SPG 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.