T vs TMUS: Valuation Comparison 2026
Side-by-side fundamentals for AT&T Inc. (T) and T-Mobile US, Inc. (TMUS) — market cap, PE, PEG and sector. All figures from SEC filings and market data.
| Metric | T | TMUS |
|---|---|---|
| Sector | Communication Services | Communication Services |
| Industry | Telecommunications Services | Telecommunications Services |
| Current Price | $21.99 | $192.85 |
| Market Cap | $152.79B | $208.70B |
| PE Ratio | 7.35 | 20.45 |
| PEG Ratio | 0.07 | 0.70 |
| PEG Verdict | Potentially Undervalued | Potentially Undervalued |