AMT monthly performance report
Monthly AMT research: returns, drawdown, relative strength, seasonality, and key stats.
AMT monthly report
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Key takeaways
- American Tower (AMT) closed August 2026 at $168.07, down 3.05% for the month and −19.99% over the trailing 12 months.
- Year-to-date, AMT is −4.27%, underperforming the S&P 500 which has returned +12.89% YTD.
- The stock is trading −5.97% versus its 200-day moving average ($178.75), a cautious technical signal.
- Over the past three years, AMT has underperformed the S&P 500 by −81.32%, with a relative strength index reading of 53.6.
- Win rate over the trailing 39 months stands at 51.3% — 20 positive months versus 19 negative months.
American Tower ended August 2026 at $168.07, posting a monthly return of −3.05%. The S&P 500 returned +3.05% over the same window, leaving relative performance at −6.10%.
The current quarter stands at +4.50% (Q3 2026 (QTD)), while medium-term trend remains soft: price is −5.97% versus the 200-day moving average ($178.75).
Year-to-date, AMT is −4.27% against SPY +12.89%, a gap of −17.16%. The stock is currently −21.75% below its 52-week high, with maximum 3-year drawdown at −33.24%.
| Period | AMT | S&P 500 (SPY) | Excess return |
|---|---|---|---|
| 1 Day | −4.10% | −0.20% | −3.90% |
| 1 Week | −2.00% | +3.90% | −5.90% |
| 1 Month | −3.05% | +3.05% | −6.10% |
| 3 Months | −8.01% | +7.11% | −15.13% |
| 6 Months |