SPG vs SUI

Simon Property Group, Inc. vs Sun Communities, Inc. — Valuation Comparison 2026

By CirclFi Research Team · Updated 2026-06-01 · Data from SEC EDGAR, FRED & GDELT

Quick Summary — SPG scores higher on quality with 8.8/10 vs SUI's 7.8/10. SPG trades at $202.66 while SUI trades at $120.38. Both analyzed daily using SEC EDGAR data across 13 institutional models.

SPG

Real Estate Investment Trusts
Simon Property Group, Inc.
Quality
8.8
out of 10
Value Trap
12
SAFE
Price
$202.66
Last close
Models
11/13
Active
VS

SUI

Real Estate Investment Trusts
Sun Communities, Inc.
Quality
7.8
out of 10
Value Trap
24
SAFE
Price
$120.38
Last close
Models
13/13
Active
SPG
Quality Score 8.8/10 — top tier
Limited to 2/13 visible models
SUI
2 models active
Limited to 2/13 visible models

SPG vs SUI — Fair Value Comparison

SPG
$0$80$159$239 Price$202.66 Bayesian …$43.68 (-78.4%) First Chi…$171.21 (-15.5%)
SUI
$0$47$95$142 Price$120.38 Bayesian …$96.67 (-19.7%) Earnings …$2.99 (-97.6%)
Market Price Model 1 Model 2

Model-by-Model Comparison

ModelType SPG Fair ValueSPG Upside SUI Fair ValueSUI Upside
Bayesian DCF Intrinsic $43.68 -78.4% $96.67 -19.7%
Earnings Power Value Intrinsic $2.99 -97.6%
EROIC Spread Intrinsic $•••.•• ••.•% $•••.•• ••.•%
First Chicago Scenario $171.21 -15.5% $75.55 -37.2%
Markov DDM Intrinsic $•••.•• ••.•% $•••.•• ••.•%
ML-RIV Intrinsic $•••.•• ••.•% $•••.•• ••.•%
Dynamic NAV Asset-Based $•••.•• ••.•% $•••.•• ••.•%
PWERM Option-Based $•••.•• ••.•% $•••.•• ••.•%
Regime Cross-Sectional Relative $•••.•• ••.•% $•••.•• ••.•%
Sentiment SOTP Hybrid $•••.•• ••.•% $•••.•• ••.•%
CUCE Ensemble Ensemble $•••.•• ••.•% $•••.•• ••.•%
FTNN Topology Relative $•••.•• ••.•% $•••.•• ••.•%
RCMH-DCF Intrinsic $•••.•• ••.•% $•••.•• ••.•%

SPG vs SUI — Which Stock Is More Undervalued in 2026?

SPG scores higher with a 8.8/10 quality rating vs SUI's 7.8/10. Both stocks are analyzed daily using SEC EDGAR filings across 13 independent models.

How Do SPG and SUI Valuations Compare?

At $202.66, SPG trades +78.4% above its Bayesian DCF fair value of $43.68, while SUI at $120.38 trades +19.7% above its estimate of $96.67. SPG shows a wider gap between price and intrinsic value.

Quality of Company: SPG vs SUI

SPG earns a Quality of Company score of 8.8/10 compared to SUI's 7.8/10. The scores are closely matched, indicating similar fundamental quality profiles. The QOC score synthesizes 32 signals spanning profitability margins, revenue growth, free cash flow, capital allocation, and leverage.

Value Trap Risk: SPG vs SUI

SPG carries a SAFE value trap risk (12/100) while SUI shows SAFE risk (24/100). Both companies show manageable value trap risk, suggesting their current valuations are not artificially depressed by fundamental deterioration.

Both in Real Estate Investment Trusts

Both SPG and SUI operate in Real Estate Investment Trusts, which has 186 stocks tracked by CirclFi. Same-industry comparisons provide the most direct insight into relative valuation since both companies face similar regulatory environments, market dynamics, and competitive pressures. Both companies are analyzed with models spanning intrinsic (Bayesian DCF, EPV), scenario-based (First Chicago), regime-switching (Markov DDM, RCMH-DCF), machine learning (ML-RIV, FTNN), and ensemble methods (CUCE).

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