TMUS: Symmetrical Triangle detected on 14 Aug 2026

TMUS is forming a symmetrical triangle pattern with converging support and resistance, currently trading at $183.38. The structure score of 13.0 suggests solid pattern geometry with key support at $173.26 and resistance at $175.45. Volume is a concern—at 2.99M shares, current volume runs at only 59% of the 20-day average, and the volume component scores 8.0 of 12.0, indicating below-average institutional conviction behind the move. The breakout score of 11.0 reflects modest momentum for triggering a clean break. Overall score of 75 sits above the midpoint, supported by neutral RSI at 53.18 and positive MACD histogram of 0.31, suggesting neither overbought nor oversold conditions.

T-Mobile reported Q2 2026 earnings on July 23, 2026, with diluted EPS of $2.99, beating the $2.59 consensus estimate by a 5% year-over-year gain. The company continued its share repurchase program, buying back 13.25 million shares for $2.50 billion in the latest tranche. Management raised adjusted free cash flow guidance to $18.4-$18.8 billion. However, net margins compressed from 14.5% a year earlier to 11.5% on heavy investment in 5G, fiber, and new initiatives like T-Ads. The company anticipates elevated Q3 churn from rate plan modernization and faces competitive pressure with less volume growth and more reliance on price increases. The earnings beat and buyback confidence explain positive momentum into August, though margin pressure clouds the narrative.

A successful breakout above $175.45 resistance would target a measured move to $191.70 (the target_conservative level), representing approximately 4.6% upside from current price. The 60.04% win probability indicates better-than-coin-flip odds, but volume confirmation will be critical—breakout volume should exceed the recent 20-day average of 5.06M shares to signal institutional participation. Invalidation occurs below the key support level of $173.26; a break below that level would signal pattern failure and suggest the triangle resolved downward. ATR of 5.81 implies expected daily moves of roughly 3.17%, so the $9.76 gap between current price and resistance is achievable within normal volatility.

T-Mobile's next earnings date is October 22, 2026, providing a 69-day catalyst window that could trigger volatility before the pattern fully plays out. Fixed wireless access (FWA) business consumes significant network capacity, raising concerns about future traffic growth. Device subsidies remain elevated with higher smartphone prices expected due to memory price increases. The negative beta of -0.32 is unusual for a telecom and suggests TMUS may underperform in a market rally, contrary to the bullish regime score of 0.9. Volume deficit (0.59 ratio) is a red flag—the symmetrical triangle typically requires symmetrical volume contraction into the apex followed by volume expansion on breakout. Current below-average volume suggests weak consensus and risk of a false breakout. The sector regime score of only 0.41 indicates mid-range telecom momentum rather than sector tailwinds.

We scan more than 6,000 NYSE and NASDAQ stocks every trading day and compare each detected pattern against a database of 370,000+ historical detections. Every setup is scored across three dimensions: Structure, Volume, and Breakout Readiness. Win probability is a calibrated estimate of how similar historical setups performed over the following 10 trading days. This is a swing trading tool built for multi-day holds. It is not built or tested for day trading.