Both stocks run through our valuation models. Here is how T-Mobile US (TMUS) and At&t (T) compare, as of Aug 13, 2026.
As of Aug 13, 2026, Fair Value Calculator sees At&t as the more attractively valued of the two: T-Mobile US trades at $179 versus a fair value of $173 (-3%), while At&t trades at $24.50 versus $44.90 (+83%).
T-Mobile US
TMUS · USD · Communication Services
-3%
upside to fair value
fairly valued
Price$179
Fair Value$173
Quality63/100
At&t
T · USD · Communication Services
+83%
upside to fair value
undervalued
Price$24.50
Fair Value$44.90
Quality61/100
Head-to-head numbers
Green value = the better side for that row (for valuation multiples: lower = cheaper).
T-Mobile USAt&t
Valuation
19.2×P/E (TTM)7.1×
2.17×P/S (TTM)1.16×
3.32×P/B1.32×
8.0×EV/EBITDA5.7×
0.71×PEG1.47×
2.2%Dividend yield5.3%
$3.94Dividend per share$1.11
Profitability
12%Net margin17%
24%Operating margin23%
18%Return on equity18%
6%Return on assets4%
Growth
11%Revenue growth (YoY)3%
3.5%Avg. growth/yr (3Y)1.3%
5.2%Avg. growth/yr (5Y)-6.1%
Balance & size
1.37×Debt / equity1.15×
$196BMarket cap$146B
healthyGrowth qualityweak
At&t leads: 6 to 8 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.
T-Mobile USof which business quality 59 · market factors 39At&tof which business quality 58 · market factors 49
ProfitabilityMargins and returns on capital today
45
49
Quality GrowthAre margins and returns improving?
36
69
CashflowEarnings quality: real cash, not paper profit
InvestmentDisciplined investing over empire-building
81
64
Low VolatilityCalm price path (market factor)
84
89
MomentumPrice trend over the last 3–12 months (market factor)
24
27
52W MomentumDistance to the 52-week high (market factor)
11
40
Net IssuanceBuybacks instead of dilution
100
92
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.
T-Mobile US
DCF Models$342
Earnings-Based$189
Dividend Discount$67.00
Multiples$190
Asset-Based$36.65
Growth DCF$353
Economic Profit$113
Growth Earnings$270
9 of 26 models see the stock below the current price.
At&t
DCF Models$37.01
Earnings-Based$17.18
Dividend Discount$18.16
Multiples$53.55
Asset-Based$10.66
Growth DCF$29.37
Economic Profit$22.12
Growth Earnings$56.86
6 of 25 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.
T-Mobile US
Bear $130Fair Value $173Bull $352
$179 = current price (white tick)
At&t
Bear $23.27Fair Value $44.90Bull $66.94
$24.50 = 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.
T-Mobile US · Communication Services
Quality score63 · Top 25%
Fair value upside-3% · above median
At&t · Communication Services
Quality score61 · above median
Fair value upside+83% · Top 25%
Bottom line
As of Aug 13, 2026, Fair Value Calculator sees At&t as the more attractively valued of the two: T-Mobile US trades at $179 versus a fair value of $173 (-3%), while At&t trades at $24.50 versus $44.90 (+83%).
T-Mobile US has the higher quality score (63/100).
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A model-based valuation snapshot from 21 models. Values change with price and fundamentals; the date shown above applies.
