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STOCK COMPARISON

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

Both stocks run through our valuation models. Here is how Digital Realty Trust (DLR) and Simon Property Group (SPG) compare, as of Sep 4, 2026.

As of Sep 4, 2026, Fair Value Calculator sees Simon Property Group as the less overvalued of the two: Digital Realty Trust trades at $188 versus a fair value of $60.12 (-68%), while Simon Property Group trades at $212 versus $84.26 (-60%).
Digital Realty Trust
DLR · USD · Real Estate
-68%
upside to fair value
overvalued
Price$188
Fair Value$60.12
Quality47/100
Simon Property Group
SPG · USD · Real Estate
-60%
upside to fair value
overvalued
Price$212
Fair Value$84.26
Quality57/100
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Head-to-head numbers

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

Digital Realty TrustSimon Property Group
Valuation
245.3×P/E (TTM)14.9×
10.80×P/S (TTM)12.26×
3.18×P/B15.65×
27.4×EV/EBITDA22.2×
14.03×PEG8.74×
−68.0%Fair value upside−60.2%
2.6%Dividend yield4.1%
$4.88Dividend per share$8.65
Profitability
26%Operating margin43%
0.76×EBIT margin trend (5Y)1.17×
3%Return on equity114%
1%Return on assets6%
Growth
30%Revenue growth (YoY)19%
9.2%Avg. growth/yr (3Y)6.3%
9.4%Avg. growth/yr (5Y)6.7%
+9.9%Value creation/yr+9.9%
Balance & size
1.5×Interest coverage (EBIT/interest)3.3×
0.80×Debt / equity5.46×
$73BMarket cap$82B
expensiveGrowth qualityhealthy

Simon Property Group leads: 5 to 10 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.

Digital Realty Trustof which business quality 47 · market factors 58 Simon Property Groupof which business quality 54 · market factors 62
ProfitabilityMargins and returns on capital today
33
59
Quality GrowthAre margins and returns improving?
64
70
CashflowEarnings quality: real cash, not paper profit
72
77
Fin. StrengthBalance sheet, leverage, solvency risk
39
9
InvestmentDisciplined investing over empire-building
48
35
Low VolatilityCalm price path (market factor)
66
63
MomentumPrice trend over the last 3–12 months (market factor)
51
56
52W MomentumDistance to the 52-week high (market factor)
62
73
Net IssuanceBuybacks instead of dilution
22
83

What the models say

How far the median fair value (base case) per model family sits from the current price, in percent. The amount in the currency of the trading venue is shown underneath.

above the price, more than 15% above close to the price, 85% to 115% of the price below the price, more than 15% below

Model familyDigital Realty TrustPrice $188Simon Property GroupPrice $212
DCF Models-35%below the price$122-54%below the price$96.96
Dividend Discount-56%below the price$82.19-32%below the price$144
Multiples-68%below the price$60.12-40%below the price$128
Asset-Based-78%below the price$41.51-95%below the price$10.76
Growth DCF-56%below the price$81.84-63%below the price$77.98
Economic Profit-73%below the price$50.77-56%below the price$92.53
Minimum-78%below the price$41.51-95%below the price$10.76
Maximum-35%below the price$122-32%below the price$144
Median-62%below the price$70.98-55%below the price$94.75
Geometric mean-63%below the price$68.58-66%below the price$71.94

Minimum, maximum, median and geometric mean refer to the family values in this table. Geometric because deviations are ratios: half the price and twice the price average to 100%, not 125%.

Digital Realty Trust: 14 of 14 models see the stock below the current price.

Simon Property Group: 16 of 16 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.

Digital Realty Trust
Bear $44.98Fair Value $60.12Bull $75.15
$188 = current price (white tick)
Simon Property Group
Bear $61.87Fair Value $84.26Bull $159
$212 = 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.

Digital Realty Trust · Real Estate

Quality score47 · below median
Fair value upside-68% · bottom 25%

Simon Property Group · Real Estate

Quality score57 · above median
Fair value upside-60% · bottom 25%

Bottom line

As of Sep 4, 2026, Fair Value Calculator sees Simon Property Group as the less overvalued of the two: Digital Realty Trust trades at $188 versus a fair value of $60.12 (-68%), while Simon Property Group trades at $212 versus $84.26 (-60%).

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

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

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A model-based valuation snapshot from 26 models. Values change with price and fundamentals; the date shown above applies.