T-Mobile US - 5.500% Senior Notes Due June 2070 (TMUSI) closed at $18.21 on October 20, 2026, up 1.1% from the previous close, on volume of 32,656 shares (30-day average 53,888).
Data as of October 20, 2026.
No headlines found.
No press releases found.
No news found.
T-Mobile US - 5.500% Senior Notes Due June 2070 trades on the stock market under the symbol TMUSI.
As of October 20, 2026, TMUSI stock price climbed to $18.21 with 32,656 million shares trading.
TMUSI has a beta of 0.13, meaning it tends to be less sensitive to market movements. TMUSI has a correlation of 0.02 to the broad based SPY ETF.
TMUSI has a market cap of $0.00. This is considered a Sub-Micro Cap stock.
TMUSI has underperformed the market in the last year with a price return of -17.2% while the SPY ETF gained +15.7%. TMUSI has also underperformed the stock market ETF in the last 3 month and 2 week periods returning -10.4% and -2.8%, respectively, while the SPY returned +3.9% and -1.3%, respectively.
TMUSI support price is $17.61 and resistance is $18.43 (based on 1 day standard deviation move). This means that using the most recent 20 day stock volatility and applying a one standard deviation move around the stock's closing price, stastically there is a 67% probability that TMUSI shares will trade within this expected range on the day.