AMT vs SBAC

For growth investors, American Tower Corporation (AMT) is the stronger pick with 5.

1% revenue growth year-over-year, versus 5. 1% for SBA Communications Corporation (SBAC). SBA Communications Corporation (SBAC) offers the better valuation at 22. 2x trailing P/E (29. 2x forward), making it the more compelling value choice. Analysts rate American Tower Corporation (AMT) a "Buy" — based on 49 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.

On trailing P/E, SBA Communications Corporation (SBAC) is the cheapest at 22.

2x versus American Tower Corporation at 33. 0x. On forward P/E, American Tower Corporation is actually cheaper at 27. 2x — notably different from the trailing picture, reflecting expected earnings growth. The PEG ratio (P/E divided by earnings growth rate) is the most growth-adjusted single valuation metric: SBA Communications Corporation wins at 0. 25x versus American Tower Corporation's 3. 72x — a PEG below 1. 0 traditionally signals the market is underpricing earnings growth.

Over the past 5 years, American Tower Corporation (AMT) delivered a total return of -15.

7%, compared to -20. 1% for SBA Communications Corporation (SBAC). Over 10 years, the gap is even starker: SBAC returned +138. 2% versus AMT's +113. 0%. Past returns do not guarantee future results, and the stock with the higher historical return may already have its best growth priced in.

By beta (market sensitivity over 5 years), American Tower Corporation (AMT) is the lower-risk stock at -0.

04β versus SBA Communications Corporation's 0. 16β — meaning SBAC is approximately -533% more volatile than AMT relative to the S&P 500.

By revenue growth (latest reported year), American Tower Corporation (AMT) is pulling ahead at 5.

1% versus 5. 1% for SBA Communications Corporation (SBAC). On earnings-per-share growth, the picture is similar: SBA Communications Corporation grew EPS 41. 2% year-over-year, compared to 11. 8% for American Tower Corporation. Over a 3-year CAGR, AMT leads at 3. 3% annualised revenue growth. Higher growth typically commands a higher valuation multiple — check whether the premium P/E or P/S is justified by the growth rate using the PEG ratio.

SBA Communications Corporation (SBAC) is the more profitable company, earning 37.

4% net margin versus 23. 8% for American Tower Corporation — meaning it keeps 37. 4% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: SBAC leads at 48. 7% versus 45. 8% for AMT. At the gross margin level — before operating expenses — AMT leads at 73. 7%, 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.

The PEG ratio (forward P/E divided by expected earnings growth rate) is the most precise measure of undervaluation relative to growth potential.

By this metric, SBA Communications Corporation (SBAC) is the more undervalued stock at a PEG of 0. 25x versus American Tower Corporation's 3. 72x. A PEG below 1. 0 is traditionally considered the threshold for growth-adjusted undervaluation. On forward earnings alone, American Tower Corporation (AMT) trades at 27. 2x forward P/E versus 29. 2x for SBA Communications Corporation — 2. 0x cheaper on a one-year earnings basis. Analyst consensus price targets imply the most upside for AMT: 21. 5% to $216. 33.

All stocks in this comparison pay dividends.

American Tower Corporation (AMT) offers the highest yield at 3. 8%, versus 2. 0% for SBA Communications Corporation (SBAC).

For long-horizon retirement investors, American Tower Corporation (AMT) is the stronger choice — it scores higher on the combination of lower volatility, dividend reliability, and long-term compounding (low volatility (β -0.

04), 3. 8% yield, +113. 0% 10Y return). Both have compounded well over 10 years (AMT: +113. 0%, SBAC: +138. 2%), 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.

Both stocks operate in the Real Estate sector, making this a peer-level intra-sector comparison — the same macro tailwinds and headwinds will affect both.

In terms of investment character: AMT is a mid-cap income-oriented stock; SBAC is a mid-cap quality compounder stock. 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.