T-Mobile US enters the final week of August with an unusual dynamic: short sellers are retreating at pace while options traders are growing more cautious — two positioning signals pointing in opposite directions.
The short-side story is one of steady capitulation. Short interest has fallen 16% over the past month to just 1.5% of free float, a low level by any measure. The most dramatic move came in mid-August, when positions dropped from around 22.7 million shares to roughly 18 million in a single session on August 11 — a reduction of nearly 4.7 million shares in one day. That reset has continued this week, with another 1.1 million shares covered on August 25 alone. Borrowing costs confirm the retreat: cost to borrow has halved over the week to 0.27%, the lowest reading of the past 30 days. Availability is effectively unlimited — the lending pool is so deep relative to what's been borrowed that there's no meaningful borrow pressure at all. Whatever drove the short thesis earlier this summer, it has largely been abandoned.
Options positioning tells a contrasting story. The put/call ratio has climbed to 0.56, nearly two standard deviations above its 20-day average of 0.49 — the most defensively skewed reading in several weeks. Monday's reading of 0.61 was even more pronounced. That doesn't signal panic, but it does suggest some investors are paying for downside protection even as shorts cover. The stock itself has been quiet: down less than 1% on the week and up 0.8% over the past month, trading at $181.61 against an analyst consensus target of $243.
The Street is still broadly constructive, though conviction has eased since Q2 results in late July. The earnings print landed poorly — the stock fell nearly 5.7% on the day and another 3.5% over the following week. In response, a wave of firms trimmed targets while holding positive ratings; UBS cut from $255 to $235, Barclays from $230 to $215, and Keybanc from $260 to $250. The most notable move came on August 14, when Wolfe Research downgraded to Peer Perform from Outperform — the only outright rating cut in the group. With 13 buy ratings and 5 holds, the consensus remains positive, and the $243 mean target implies around 34% upside from current levels. Factor scores support the bull case on fundamentals: EPS momentum scores in the 79th–83rd percentile and forward earnings growth rank near the top of the universe. Value and momentum factor scores are weaker, consistent with a stock that has drifted lower from highs above $220 earlier this year.
The ownership picture is dominated by Deutsche Telekom, which holds 54% of shares and has been immovable. Goldman Sachs added a notable 5.3 million shares in Q2, making it one of the more active institutional movers on the buy side. Insider activity has been modest and skewed toward selling — the COO and a divisional president each sold close to $1 million worth of stock in May, though a chief-level officer bought roughly the same amount on the same day, leaving the 90-day net position nearly flat.
The next scheduled earnings date is not yet confirmed, so the key watch point is whether the put/call ratio normalises back toward its 0.49 baseline as the post-earnings hedging fades — or stays elevated, signalling that options traders see a further catalyst worth insuring against.
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