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AT&T 5.350% Global Notes Due 2066 trades on the NYSE stock market under the symbol TBB.
As of July 24, 2026, TBB stock price was flat at $19.85 with 161,462 million shares trading.
TBB has a beta of 0.25, meaning it tends to be less sensitive to market movements. TBB has a correlation of 0.10 to the broad based SPY ETF.
TBB has a market cap of $0.00. This is considered a Sub-Micro Cap stock.
In the last 3 years, TBB traded as high as $24.90 and as low as $19.76.
TBB has underperformed the market in the last year with a price return of -5.3% while the SPY ETF gained +17.7%. TBB has also underperformed the stock market ETF in the last 3 month and 2 week periods returning -6.7% and -2.3%, respectively, while the SPY returned +3.8% and -2.1%, respectively.
TBB support price is $19.73 and resistance is $19.97 (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 TBB shares will trade within this expected range on the day.
