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STOCK COMPARISON

Simon Property Group vs Digital Realty Trust: Fair Value & Quality

Both stocks run through our valuation models. Here is how Simon Property Group (SPG) and Digital Realty Trust (DLR) compare, as of Aug 13, 2026.

As of Aug 13, 2026, Fair Value Calculator sees Simon Property Group as the less overvalued of the two: Simon Property Group trades at $221 versus a fair value of $84.26 (-62%), while Digital Realty Trust trades at $197 versus $60.12 (-69%).
Simon Property Group
SPG · USD · Real Estate
-62%
upside to fair value
overvalued
Price$221
Fair Value$84.26
Quality57/100
Digital Realty Trust
DLR · USD · Real Estate
-69%
upside to fair value
overvalued
Price$197
Fair Value$60.12
Quality47/100

Head-to-head numbers

Green value = the better side for that row (for valuation multiples: lower = cheaper).

Simon Property GroupDigital Realty Trust
Valuation
14.9×P/E (TTM)245.3×
12.26×P/S (TTM)10.80×
15.65×P/B3.18×
22.2×EV/EBITDA27.4×
8.74×PEG14.03×
4.1%Dividend yield2.5%
$8.65Dividend per share$4.88
Profitability
71%Net margin12%
43%Operating margin26%
114%Return on equity3%
6%Return on assets1%
Growth
19%Revenue growth (YoY)30%
6.3%Avg. growth/yr (3Y)9.2%
6.7%Avg. growth/yr (5Y)9.4%
Balance & size
5.46×Debt / equity0.80×
$82BMarket cap$73B
healthyGrowth qualityexpensive

Simon Property Group leads: 8 to 6 metric wins.

Dash = not meaningfully computable, for example with negative equity.

Quality in detail

The quality score, broken down into the same factor families as on the stock page, 0 to 100 per family.

Simon Property Groupof which business quality 54 · market factors 71 Digital Realty Trustof which business quality 47 · market factors 60
ProfitabilityMargins and returns on capital today
59
33
Quality GrowthAre margins and returns improving?
70
64
CashflowEarnings quality: real cash, not paper profit
77
72
Fin. StrengthBalance sheet, leverage, solvency risk
9
39
InvestmentDisciplined investing over empire-building
35
48
Low VolatilityCalm price path (market factor)
63
66
MomentumPrice trend over the last 3–12 months (market factor)
66
50
52W MomentumDistance to the 52-week high (market factor)
89
70
Net IssuanceBuybacks instead of dilution
83
22

What the models say

The median fair value (base case) per model family, each in the currency of its trading venue. Green = above the current price, red = below.

Simon Property Group

DCF Models$96.96
Dividend Discount$144
Multiples$128
Asset-Based$10.76
Growth DCF$77.98
Economic Profit$92.53

16 of 16 models see the stock below the current price.

Digital Realty Trust

DCF Models$122
Dividend Discount$82.19
Multiples$60.12
Asset-Based$41.51
Growth DCF$81.84
Economic Profit$50.77

14 of 14 models see the stock below the current price.

Scenario ranges

From our cautious bear case to the optimistic bull case. The white tick is the current price: left of fair value means room to run.

Simon Property Group
Bear $61.87Fair Value $84.26Bull $159
$221 = current price (white tick)
Digital Realty Trust
Bear $45.09Fair Value $60.12Bull $75.15
$197 = current price (white tick)

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Ranked within their sector

Where each stock sits within its sector peer group. Band = middle 50% of peers, tick = median, dot = this stock.

Simon Property Group · Real Estate

Quality score57 · above median
Fair value upside-62% · bottom 25%

Digital Realty Trust · Real Estate

Quality score47 · below median
Fair value upside-69% · bottom 25%

Bottom line

As of Aug 13, 2026, Fair Value Calculator sees Simon Property Group as the less overvalued of the two: Simon Property Group trades at $221 versus a fair value of $84.26 (-62%), while Digital Realty Trust trades at $197 versus $60.12 (-69%).

Simon Property Group has the higher quality score (57/100).

See the full analysis →
Simon Property Group · Digital Realty Trust

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A model-based valuation snapshot from 21 models. Values change with price and fundamentals; the date shown above applies.