At&t vs T-Mobile US: Fair Value & Quality
Both stocks run through our valuation models. Here is how At&t (T) and T-Mobile US (TMUS) compare, as of Sep 4, 2026.
Head-to-head numbers
Green value = the better side for that row (for valuation multiples: lower = cheaper).
T-Mobile US leads: 7 to 9 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.
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 family | At&tPrice $26.19 | T-Mobile USPrice $188 |
|---|---|---|
| DCF Models | ▲+41%above the price$37.01 | ▲+82%above the price$342 |
| Earnings-Based | ▼-34%below the price$17.18 | ●+1%close to the price$189 |
| Dividend Discount | ▼-31%below the price$18.16 | ▼-64%below the price$67.00 |
| Multiples | ▲+104%above the price$53.55 | ●+1%close to the price$190 |
| Asset-Based | ▼-59%below the price$10.66 | ▼-81%below the price$36.65 |
| Growth DCF | ●+12%close to the price$29.37 | ▲+88%above the price$353 |
| Economic Profit | ▼-16%below the price$22.12 | ▼-40%below the price$113 |
| Growth Earnings | ▲+117%above the price$56.86 | ▲+44%above the price$270 |
| Minimum | ▼-59%below the price$10.66 | ▼-81%below the price$36.65 |
| Maximum | ▲+117%above the price$56.86 | ▲+88%above the price$353 |
| Median | ●-2%close to the price$25.74 | ●+1%close to the price$190 |
| Geometric mean | ●+1%close to the price$26.50 | ▼-18%below the price$155 |
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%.
At&t: 6 of 25 models see the stock below the current price.
T-Mobile US: 9 of 26 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.
Compare two other stocks
Tap a field and type again, ticker or company name.
Ranked within their sector
Where each stock sits within its sector peer group. Band = middle 50% of peers, tick = median, dot = this stock.
At&t · Communication Services
T-Mobile US · Communication Services
Bottom line
As of Sep 4, 2026, Fair Value Calculator sees At&t as the more attractively valued of the two: At&t trades at $26.19 versus a fair value of $43.97 (+68%), while T-Mobile US trades at $188 versus $173 (-8%).
T-Mobile US has the higher quality score (63/100).
See the full analysis →More comparisons
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A model-based valuation snapshot from 26 models. Values change with price and fundamentals; the date shown above applies.