NASDAQ:TMUS 10 December 2025 - 31 December 2025

T-Mobile US shares edged higher on Tuesday, closing up 0.32% at $203.80. The stock ranged from $201.68 to $204.20, with about 2.95 million shares changing hands. Investing.com

Shares of T-Mobile US, Inc. were up about 0.2% at $203.55 in midday trade on Tuesday. The stock has traded between $202.00 and $203.71 so far in the session.

T-Mobile US shares rose 1.4% on Monday afternoon, outperforming a weaker U.S. market. The stock was up $2.83 at $203.83.

T-Mobile US, Inc. heads into the Friday, Dec. 26, 2025 session coming off a shortened holiday week—one that can sometimes amplify price swings because trading volumes are often lighter and headlines can move fast.

T-Mobile US, Inc. ended Tuesday’s session higher and then drifted slightly lower in after-hours trading as investors weighed a quiet post-close tape ahead of a holiday-shortened Christmas Eve session on Wednesday.

T-Mobile US, Inc. ended Monday’s session slightly lower even as the broader market pushed higher in a holiday-thinned rally. After the closing bell on December 22, 2025, investors had three fresh inputs to digest: a Form 144 filing tied to Deutsche Telekom, a Bernstein rating update, and a new T-Mobile corporate “year in review” release—all arriving as traders brace for a heavy U.S. economic calendar before Tuesday’s open.

T-Mobile US, Inc. enters the final full trading week before year-end with investors balancing two very different forces: a steady stream of shareholder-friendly capital return commitments on one side, and a still-heated wireless competitive backdrop on the other.

Ahead of the next U.S. stock market open on Monday, December 22, 2025, investors in T-Mobile US, Inc. have plenty to digest: a newly authorized $14.6 billion shareholder return program, an escalating legal fight with AT&T tied to T-Mobile’s new “switching” tools, and ongoing questions about wireless growth as promotions intensify across the industry.

December 20, 2025 — T-Mobile US, Inc. enters the final stretch of 2025 with investors balancing two competing narratives: a company leaning hard into shareholder returns, and a U.S. wireless market that looks increasingly promotional and maturity-driven.

T-Mobile US, Inc. finished Friday, December 19, 2025, lower even as the broader market ended the week on a high note. Shares fell 1.77% to close at $196.73, snapping a four-session winning streak and coming on unusually heavy volume. MarketWatch+1

December 19, 2025 — T-Mobile US, Inc. ended Friday’s session lower, closing at $198.43 after trading between $198.11 and $201.26. Shares opened at $200.85, with volume around 3.95 million. StockAnalysis

T-Mobile US, Inc. finished Thursday’s session modestly higher, then traded slightly softer in after-hours dealing — a quiet end to the day on the tape, but not a quiet day for the narrative around the U.S. wireless sector.

December 18, 2025 — T-Mobile US, Inc. shares were trading around $200.62 on Thursday, up modestly on the session, with the stock moving within an intraday range roughly between $198.90 and $202.33.

T-Mobile US, Inc. is having a volatile end to 2025. The 5G leader’s share price has slid to near 52‑week lows even as it delivers record customer growth, raises guidance, and rolls out a bigger dividend. That disconnect is exactly what is driving a flurry of fresh analyst calls, insider activity and valuation debates today, December 10, 2025.