American Tower Corp (AMT) results explained: sales up 5%

Quantooo Lab · 2026-10-27

What happened?

American Tower Corp (AMT) reported results on 27 Oct, covering the 9 months to 30 Sep.

The numbers in plain words

Sales were up 4.6% compared with the same period a year earlier. Out of every 100 of sales, about 46 was left after running costs (operating margin 45.7%), lower than a year earlier (46.6%). The company is funded more by borrowing than a year ago (94% of assets vs 94%).

Source: the company's 10-Q filed 2026-10-27.

How did the share price react?

Since the results, the share price has moved −1.27% (to the close of 29 Oct), while the S&P 500 moved +0.52%.

What changed in our score?

Our score went from 33 to 40 out of 100; the fundamentals part went from 31 to 27. Every step of the calculation: AMT stock page.

How bumpy could the next month be?

Our volatility model expects the next month to be bumpier than usual for AMT (28% a year vs a normal 26%).

What does it mean?

Results describe the past few months. They don't tell you where the price goes next, and our own tests found our scores don't reliably predict that either.

Educational, not investment advice.