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AT&T 5.350% Global Notes Due 2066 trades on the NYSE stock market under the symbol TBB.
As of June 12, 2026, TBB stock price climbed to $20.63 with 82,945 million shares trading.
TBB has a beta of 0.22, meaning it tends to be less sensitive to market movements. TBB has a correlation of 0.07 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 $20.26.
TBB has underperformed the market in the last year with a return of +0.1%, while the SPY ETF gained +24.1%. In the last 3 month period, TBB fell short of the market, returning -5.4%, while SPY returned +11.6%. However, in the most recent 2 weeks TBB has outperformed the stock market by returning -1.9%, while SPY returned -1.9%.
TBB support price is $20.50 and resistance is $20.74 (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.
