AT&T Inc. 5.35% GLB NTS 66
NYSE: TBB · ·
Updated 2026-06-05
AT&T Inc. 5.35% GLB NTS 66 (TBB) Stock Valuation Analysis
Fair value estimate, historical valuation range, and quality signals for TBB.
Current price exceeds what fundamentals support. Risk/reward skewed unfavorably.
TBB historical valuation range
Where current P/E sits in TBB's own 5Y range.
TBB intrinsic value (DCF)
DCF-based fair value estimate vs current market price.
Standard discounted cash flow models produce unreliable output for unprofitable or near-breakeven companies. Revenue-based multiples such as P/S and EV/Sales, combined with the historical valuation position above, give a more reliable read for this stock.
Intrinsic value calculated using discounted cash flow (DCF) model based on projected free cash flows, discount rate, and terminal growth assumptions. A positive margin of safety indicates the current price is below estimated fair value, providing a cushion against estimation error.
TBB valuation signals
Quick-read green flags, caution flags, and risks based on current metrics.
P/E Ratio — History
Current: 4.06x
P/S Ratio — History
Current: 0.00x
Is TBB overvalued in 2026?
AT&T Inc. 5.35% GLB NTS 66 (TBB) currently trades at $21.57 per share with a market capitalization of $132,557,857,000.00. Based on our multi-factor framework, the stock appears richly valued with a Smart Value Score of 25/100. This score blends growth quality, financial health, and price attractiveness into a single institutional-grade read.
The stock trades at a P/E ratio of 4.1x, below its 5-year median of 5.8x.
Looking at its own history, TBB is currently trading cheaper than 100% of the last 5Y on P/E. This places it in the 0th percentile of its historical range, a level that has historically coincided with attractive entry points.
A standard DCF model does not produce reliable output for TBB under current conditions. For unprofitable or near-breakeven companies, revenue-based multiples such as EV/Sales and historical P/S percentile are more informative than intrinsic value calculations.
The Piotroski F-Score of 5/9 puts financial quality in a middling range, neither a standout strength nor an obvious red flag.
Bottom line: TBB appears richly valued on our framework, with a Smart Value Score of 25/100. At current levels the risk/reward is skewed against the buyer. A materially lower price or significant operational improvement would be needed to change the picture.
Frequently asked questions
Is TBB overvalued?
TBB scores 25/100 on our Smart Value Score (Grade F), a weak overall profile. A standard DCF is unreliable here given the profitability profile, so valuation leans on revenue-based measures like EV/Sales and the P/S percentile below.
What is TBB's fair value?
A standard DCF is unreliable for TBB given its current profitability profile. Revenue-based approaches like EV/Sales or the historical P/S percentile are more informative for this stock.
What P/E ratio does TBB trade at?
TBB trades at a P/E of 4.1x on trailing twelve-month earnings, against a 5-year median of 5.8x. P/E is what you pay per dollar of profit, and sitting below its own median means the stock is cheaper than usual relative to its earnings.
Is TBB a buy based on valuation?
Our Smart Value rating for TBB is Strong Sell, from a Smart Value Score of 25/100 that blends growth, quality, and valuation. The profile skews cautious, and a better price or clearer operating improvement would strengthen the case. This is research to inform your decision, not personalized financial advice.
How does TBB's valuation compare to its history?
On P/E, TBB sits in the 0th percentile of its own 5Y range, historically cheap relative to where it has traded. A low percentile means today's multiple is near the bottom of its historical band.
What is TBB's Smart Value Score?
TBB's Smart Value Score is 25/100. It is a proprietary WallStSmart metric blending growth quality, financial health, and valuation into a single 0-100 read, and scores above 75 are rare, signaling strong multi-factor alignment.