Comprehensive Stock Comparison
Compare América Móvil, S.A.B. de C.V. (AMX) vs AT&T Inc. 5.35% GLB NTS 66 (TBB) Stock
Analyze side-by-side fundamentals, valuation, growth, and profitability to decide which stock is the better buy.
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Quick Verdict
| Category | Winner | Why |
|---|---|---|
| Growth | TBB | 2.7% revenue growth vs AMX's 1.8% |
| Value | AMX | Lower P/E (0.8x vs 9.9x) |
| Quality / Margins | TBB | 17.4% net margin vs AMX's 8.8% |
| Stability / Safety | TBB | Beta 0.20 vs AMX's 0.34, lower leverage |
| Dividends | AMX | 2.3% yield, 5-year raise streak, vs TBB's 5.0% |
| Momentum (1Y) | AMX | +86.8% vs TBB's +0.5% |
| Efficiency (ROA) | TBB | 5.2% ROA vs AMX's 4.6%, ROIC 7.0% vs 11.2% |
Who Each Stock Is For
Income & stability
Growth exposure
Long-term compounding (10Y)
Sleep-well-at-night portfolio
Defensive / Recession hedge
Business Model
What each company does and how it makes money
América Móvil is a Latin American telecommunications giant providing wireless and fixed-line services across the region. It generates revenue primarily from mobile services (~60% of sales), fixed-line services (~25%), and pay-TV/broadband (~15%) through its extensive network infrastructure. The company's key advantage is its massive scale and first-mover position — it operates the largest wireless network in Latin America with over 300 million subscribers, creating significant network effects and cost advantages.
AT&T is a major telecommunications company providing wireless, broadband, and entertainment services primarily in the United States. It generates revenue through wireless service subscriptions (~60% of revenue), broadband and video services (~25%), and business wireline solutions (~15%). The company's competitive advantage lies in its extensive nationwide wireless network infrastructure and spectrum portfolio, which creates high barriers to entry.
Revenue Breakdown by Segment
How each company's revenue is distributed across its business units
Segment breakdown not available.
Financial Metrics Comparison
Side-by-side fundamentals across 2 stocks. BestLagging
Financial Scorecard
TBB leads in 2 of 6 categories (Valuation Metrics, Profitability & Efficiency). AMX leads in 1 (Total Returns). 3 tied.
Financial Metrics (TTM)
AMX is the larger business by revenue, generating $939.7B annually — 7.5x TBB's $125.6B. TBB is the more profitable business, keeping 17.4% of every revenue dollar as net income compared to AMX's 8.8%. On growth, TBB holds the edge at +3.6% YoY revenue growth, suggesting stronger near-term business momentum.
| Metric | AMXAmérica Móvil, S.… | TBBAT&T Inc. 5.35% G… |
|---|---|---|
| RevenueTrailing 12 months | $939.7B | $125.6B |
| EBITDAEarnings before interest/tax | $372.8B | $45.0B |
| Net IncomeAfter-tax profit | $82.5B | $21.9B |
| Free Cash FlowCash after capex | $173.3B | $19.4B |
| Gross MarginGross profit ÷ Revenue | +42.9% | +79.8% |
| Operating MarginEBIT ÷ Revenue | +20.5% | +19.2% |
| Net MarginNet income ÷ Revenue | +8.8% | +17.4% |
| FCF MarginFCF ÷ Revenue | +18.4% | +15.5% |
| Rev. Growth (YoY)Latest quarter vs prior year | -2.1% | +3.6% |
| EPS Growth (YoY)Latest quarter vs prior year | +98.1% | -7.1% |
Valuation Metrics
At 7.5x trailing earnings, TBB trades at a 57% valuation discount to AMX's 17.4x P/E. On an enterprise value basis, TBB's 6.1x EV/EBITDA is more attractive than AMX's 6.3x.
| Metric | AMXAmérica Móvil, S.… | TBBAT&T Inc. 5.35% G… |
|---|---|---|
| Market CapShares × price | $78.4B | $139.3B |
| Enterprise ValueMkt cap + debt − cash | $129.7B | $276.1B |
| Trailing P/EPrice ÷ TTM EPS | 17.38x | 7.46x |
| Forward P/EPrice ÷ next-FY EPS est. | 0.80x | 9.93x |
| PEG RatioP/E ÷ EPS growth rate | 0.89x | — |
| EV / EBITDAEnterprise value multiple | 6.29x | 6.13x |
| Price / SalesMarket cap ÷ Revenue | 1.53x | 1.11x |
| Price / BookPrice ÷ Book value/share | 3.16x | 1.29x |
| Price / FCFMarket cap ÷ FCF | 11.19x | 7.17x |
Profitability & Efficiency
AMX delivers a 19.3% return on equity — every $100 of shareholder capital generates $19 in annual profit, vs $17 for TBB. TBB carries lower financial leverage with a 1.23x debt-to-equity ratio, signaling a more conservative balance sheet compared to AMX's 2.14x.
| Metric | AMXAmérica Móvil, S.… | TBBAT&T Inc. 5.35% G… |
|---|---|---|
| ROE (TTM)Return on equity | +19.3% | +17.3% |
| ROA (TTM)Return on assets | +4.6% | +5.2% |
| ROICReturn on invested capital | +11.2% | +7.0% |
| ROCEReturn on capital employed | +14.3% | +6.8% |
| Piotroski ScoreFundamental quality 0–9 | 7 | 7 |
| Debt / EquityFinancial leverage | 2.14x | 1.23x |
| Net DebtTotal debt minus cash | $883.7B | $136.8B |
| Cash & Equiv.Liquid assets | $35.0B | $18.2B |
| Total DebtShort + long-term debt | $918.8B | $155.0B |
| Interest CoverageEBIT ÷ Interest expense | 2.54x | 3.55x |
Total Returns (with DRIP)
A $10,000 investment in AMX five years ago would be worth $39,073 today (with dividends reinvested), compared to $11,351 for TBB. Over the past 12 months, AMX leads with a +86.8% total return vs TBB's +0.5%. The 3-year compound annual growth rate (CAGR) favors AMX at 33.8% vs TBB's 4.4% — a key indicator of consistent wealth creation.
| Metric | AMXAmérica Móvil, S.… | TBBAT&T Inc. 5.35% G… |
|---|---|---|
| YTD ReturnYear-to-date | +25.9% | +2.0% |
| 1-Year ReturnPast 12 months | +86.8% | +0.5% |
| 3-Year ReturnCumulative with dividends | +139.5% | +13.7% |
| 5-Year ReturnCumulative with dividends | +290.7% | +13.5% |
| 10-Year ReturnCumulative with dividends | +284.0% | +33.6% |
| CAGR (3Y)Annualised 3-year return | +33.8% | +4.4% |
Risk & Volatility
TBB is the less volatile stock with a 0.20 beta — it tends to amplify market swings less than AMX's 0.34 beta. A beta below 1.0 means the stock typically moves less than the S&P 500. AMX currently trades 99.9% from its 52-week high vs TBB's 93.9% drawdown — a narrower gap to the peak suggests stronger recent price momentum.
| Metric | AMXAmérica Móvil, S.… | TBBAT&T Inc. 5.35% G… |
|---|---|---|
| Beta (5Y)Sensitivity to S&P 500 | 0.34x | 0.20x |
| 52-Week HighHighest price in past year | $26.05 | $24.16 |
| 52-Week LowLowest price in past year | $13.10 | $21.55 |
| % of 52W HighCurrent price vs 52-week peak | +99.9% | +93.9% |
| RSI (14)Momentum oscillator 0–100 | 76.0 | 57.6 |
| Avg Volume (50D)Average daily shares traded | 2.0M | 71K |
Analyst Outlook
Wall Street rates AMX as "Buy" and TBB as "Hold". Consensus price targets imply -6.2% upside for TBB (target: $21) vs -8.0% for AMX (target: $24). For income investors, TBB offers the higher dividend yield at 5.02% vs AMX's 2.30%.
| Metric | AMXAmérica Móvil, S.… | TBBAT&T Inc. 5.35% G… |
|---|---|---|
| Analyst RatingConsensus buy/hold/sell | Buy | Hold |
| Price TargetConsensus 12-month target | $23.95 | $21.29 |
| # AnalystsCovering analysts | 24 | 9 |
| Dividend YieldAnnual dividend ÷ price | +2.3% | +5.0% |
| Dividend StreakConsecutive years of raises | 5 | 2 |
| Dividend / ShareAnnual DPS | $10.29 | $1.14 |
| Buyback YieldShare repurchases ÷ mkt cap | +0.8% | +3.2% |
Historical Charts
Charts are rendered on first load. Hover for details.
Chart 1Total Return — 5 Years (Rebased to 100)
| Stock | Mar 20 | Feb 26 | Change |
|---|---|---|---|
| América Móvil, S.A.… (AMX) | 100 | 125.79 | +25.8% |
| AT&T Inc. 5.35% GLB… (TBB) | 100 | 86.76 | -13.2% |
América Móvil, S.A.… (AMX) returned +291% over 5 years vs AT&T Inc. 5.35% GLB… (TBB)'s +14%. A $10,000 investment in AMX 5 years ago would be worth $39,073 today (including dividends reinvested).
Chart 2Revenue Growth — 10 Years
| Stock | 2016 | 2025 | Change |
|---|---|---|---|
| América Móvil, S.A.… (AMX) | $975.4B | $885.1B | -9.3% |
| AT&T Inc. 5.35% GLB… (TBB) | $163.8B | $125.6B | -23.3% |
América Móvil, S.A.B. de C.V.'s revenue grew from $975.4B (2016) to $885.1B (2025) — a -1.1% CAGR. AT&T Inc. 5.35% GLB NTS 66's revenue grew from $163.8B (2016) to $125.6B (2025) — a -2.9% CAGR.
Chart 3Net Margin Trend — 10 Years
| Stock | 2016 | 2025 | Change |
|---|---|---|---|
| América Móvil, S.A.… (AMX) | 0.9% | 8.8% | +889.8% |
| AT&T Inc. 5.35% GLB… (TBB) | 7.9% | 17.4% | +119.9% |
América Móvil, S.A.B. de C.V.'s net margin went from 1% (2016) to 9% (2025). AT&T Inc. 5.35% GLB NTS 66's net margin went from 8% (2016) to 17% (2025).
Chart 4P/E Ratio History — 9 Years
| Stock | 2017 | 2025 | Change |
|---|---|---|---|
| América Móvil, S.A.… (AMX) | 1.9 | 0.8 | -57.9% |
| AT&T Inc. 5.35% GLB… (TBB) | 5.5 | 7.3 | +32.7% |
América Móvil, S.A.B. de C.V. has traded in a 1x–2x P/E range over 9 years; current trailing P/E is ~17x. AT&T Inc. 5.35% GLB NTS 66 has traded in a 6x–16x P/E range over 7 years; current trailing P/E is ~7x.
Chart 5EPS Growth — 10 Years
| Stock | 2016 | 2025 | Change |
|---|---|---|---|
| América Móvil, S.A.… (AMX) | 2.6 | 25.8 | +892.3% |
| AT&T Inc. 5.35% GLB… (TBB) | 2.1 | 3.04 | +44.8% |
América Móvil, S.A.B. de C.V.'s EPS grew from $2.60 (2016) to $25.80 (2025) — a 29% CAGR. AT&T Inc. 5.35% GLB NTS 66's EPS grew from $2.10 (2016) to $3.04 (2025) — a 4% CAGR.
Chart 6Free Cash Flow — 5 Years
América Móvil, S.A.B. de C.V. generated $121B FCF in 2025 (+21% vs 2021). AT&T Inc. 5.35% GLB NTS 66 generated $19B FCF in 2025 (+97% vs 2021).
AMX vs TBB: Frequently Asked Questions
9 questions · data-driven answers · updated daily
01Is AMX or TBB a better buy right now?
AT&T Inc. 5.35% GLB NTS 66 (TBB) offers the better valuation at 7.5x trailing P/E (9.9x forward), making it the more compelling value choice. Analysts rate América Móvil, S.A.B. de C.V. (AMX) a "Buy" — based on 24 analyst ratings — the highest consensus in this comparison. The "better buy" depends entirely on your goals: growth investors should weight revenue trajectory, value investors should weight P/E and PEG, and income investors should weight dividend yield and streak.
02Which has the better valuation — AMX or TBB?
On trailing P/E, AT&T Inc. 5.35% GLB NTS 66 (TBB) is the cheapest at 7.5x versus América Móvil, S.A.B. de C.V. at 17.4x. On forward P/E, América Móvil, S.A.B. de C.V. is actually cheaper at 0.8x — notably different from the trailing picture, reflecting expected earnings growth.
03Which is the better long-term investment — AMX or TBB?
Over the past 5 years, América Móvil, S.A.B. de C.V. (AMX) delivered a total return of +290.7%, compared to +13.5% for AT&T Inc. 5.35% GLB NTS 66 (TBB). A $10,000 investment in AMX five years ago would be worth approximately $39K today (assuming dividends reinvested). Over 10 years, the gap is even starker: AMX returned +284.0% versus TBB's +33.6%. Past returns do not guarantee future results, and the stock with the higher historical return may already have its best growth priced in.
04Which is safer — AMX or TBB?
By beta (market sensitivity over 5 years), AT&T Inc. 5.35% GLB NTS 66 (TBB) is the lower-risk stock at 0.20β versus América Móvil, S.A.B. de C.V.'s 0.34β — meaning AMX is approximately 71% more volatile than TBB relative to the S&P 500. On balance sheet safety, AT&T Inc. 5.35% GLB NTS 66 (TBB) carries a lower debt/equity ratio of 123% versus 2% for América Móvil, S.A.B. de C.V. — giving it more financial flexibility in a downturn.
05Which has better profit margins — AMX or TBB?
AT&T Inc. 5.35% GLB NTS 66 (TBB) is the more profitable company, earning 17.4% net margin versus 8.8% for América Móvil, S.A.B. de C.V. — meaning it keeps 17.4% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: AMX leads at 21.0% versus 19.2% for TBB. At the gross margin level — before operating expenses — TBB leads at 79.8%, reflecting greater pricing power or product mix advantage. Stronger margins indicate durable pricing power, lower cost of revenue, or higher mix of software/services. They are one of the clearest signs of business quality.
06Is AMX or TBB more undervalued right now?
On forward earnings alone, América Móvil, S.A.B. de C.V. (AMX) trades at 0.8x forward P/E versus 9.9x for AT&T Inc. 5.35% GLB NTS 66 — 9.1x cheaper on a one-year earnings basis. Analyst consensus price targets imply the most upside for TBB: -6.2% to $21.29.
07Which pays a better dividend — AMX or TBB?
All stocks in this comparison pay dividends. AT&T Inc. 5.35% GLB NTS 66 (TBB) offers the highest yield at 5.0%, versus 2.3% for América Móvil, S.A.B. de C.V. (AMX).
08Is AMX or TBB better for a retirement portfolio?
For long-horizon retirement investors, América Móvil, S.A.B. de C.V. (AMX) is the stronger choice — it scores higher on the combination of lower volatility, dividend reliability, and long-term compounding (low volatility (β 0.34), 2.3% yield, +284.0% 10Y return). Both have compounded well over 10 years (AMX: +284.0%, TBB: +33.6%), confirming both are viable long-term holds — but the lower-volatility option typically results in less emotional selling during corrections. Retirement portfolios generally favour predictability over maximum returns. Consult a financial advisor before making allocation decisions.
09What are the main differences between AMX and TBB?
Both stocks operate in the Communication Services sector, making this a peer-level intra-sector comparison — the same macro tailwinds and headwinds will affect both. These fundamental differences mean investors should not choose between them on a single metric — the "better stock" depends entirely on which of these characteristics aligns with your investment strategy.
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- Net Margin > 10%
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