Schaeffers Investment Research·2025-11-21 16:02Core Viewpoint - T-Mobile US Inc (NASDAQ:TMUS) is experiencing a decline in stock price following a downgrade by Oppenheimer, which cited slowing industry subscriber growth as a concern for the company's ability to meet subscriber and free cash flow estimates [1]. Stock Performance - T-Mobile's stock has been volatile, reaching a one-year low of $199.41 on November 6 after peaking at $276.49 in March. The stock is down approximately 5% year-to-date [2]. Options Trading Activity - Options traders are showing bullish sentiment, with a 10-day call/put volume ratio of 3.94, indicating significant buying activity. This ratio is the highest compared to all readings from the past year. Additionally, T-Mobile's put/call open interest ratio of 0.45 is in the lowest percentile of its annual range, further reflecting a positive outlook [3]. Volatility Expectations - T-Mobile's stock has historically exceeded options traders' volatility expectations, as indicated by a Schaeffer's Volatility Scorecard (SVS) rating of 91 out of 100 [4].