T-Mobile US's results for Q3 2026 (quarter ended Sep 30, 2026) come from the company's own earnings release, filed with the SEC on 2026-10-28. Everything below is taken from that filing; quotes are copied exactly. Company outlooks are the company's own.
At a glance
| Item | Value |
|---|---|
| Revenue (GAAP) | $23,584 million (+7.4% vs a year earlier) |
| Diluted EPS (GAAP) | $3.22 |
| Full-year guidance | Raised |
Guidance
T-Mobile raised the midpoints of its 2026 Core Adjusted EBITDA, operating cash flow and adjusted free cash flow ranges and lowered its tax-rate guide.
Why this label: 'Raising Profitability and Cash Flow Guidance at the Midpoint'; Core Adjusted EBITDA $37.35-37.45B vs prior $37.1-37.5B, 'an increase at the midpoint'.
| Metric | Period | New | Prior (as stated in the release) |
|---|---|---|---|
| Core Adjusted EBITDA | FY2026 | $37.35–37.45 billion | $37.1–37.5 billion |
| net cash provided by operating activities | FY2026 | $28.7–28.8 billion | $28.4–28.8 billion |
| Adjusted Free Cash Flow | FY2026 | $18.7–18.8 billion | $18.4–18.8 billion |
| postpaid net account additions | FY2026 | approximately 1.0 million | 950 thousand–1.05 million |
| effective tax rate | FY2026 | 24%–25% | 25%–26% |
| cash capex incl. capitalized interest | FY2026 | approximately $10.0 billion | ~$10.0 billion |
From the release
Revenue: "Total revenues · 23,584 · 22,791 · 21,957"
Earnings per share: "Diluted EPS increased 34% year-over-year to $3.22 per share."
Core Adjusted EBITDA: "Core Adjusted EBITDA, which is Adjusted EBITDA less lease revenues, is expected to be between $37.35 billion and $37.45 billion, an increase at the midpoint from prior guidance of $37.1 billion to $37.5 billion."
net cash provided by operating activities: "is now expected to be between $28.7 billion and $28.8 billion, an increase at the midpoint from prior guidance of $28.4 billion to $28.8 billion."
Adjusted Free Cash Flow: "is now expected to be between $18.7 billion and $18.8 billion, an increase at the midpoint from prior guidance of $18.4 billion to $18.8 billion."
Quotes are copied from the filing; in table rows, cell borders are shown as “·”.
Key fact: Diluted EPS rose 34% to $3.22; service revenues up 6% to $19.4 billion.
Source
T-Mobile US earnings release (SEC filing), accession 0001283699-26-000128, filed 2026-10-28.
Part of the Q3 2026 Guidance Tracker. Educational only, not advice. Free weekly recap every Sunday: yieldterminalpro.com/newsletter.