AMT
StockAmerican Tower Corporation
One email when a drop — in price or in valuation — is historically rare for AMT. Otherwise we stay quiet.
Rare — pay attention.
American Tower Corporation is 34.2% off its high, 1796 days in — deeper than the vast majority of its 157 recorded drawdowns. This is the kind of decline the severity score exists to flag.
And it's not just the price: American Tower Corporation's P/S Severity Score is 9.4 — historically low valuation vs its own history.
Very Strong
Current Drawdown
-34.2%
Days in Drawdown
1796
Avg Max Drawdown
4.5%
Avg Length
53
Drawdown Severity Score™
7.1
AMT - Price & High Water Mark
AMT - Drawdown Timeline
How to read this chart: Negative values indicate drawdowns from all-time highs. Values closer to 0% mean the stock is near its high water mark.
Valuation vs Its Own History
Data as of August 21, 2026 · updated daily
Where today's valuation sits within AMT's own multi-year range, scored with the same Drawdown Severity Score language as price, measured from its typical level rather than its record high — a higher score means it has rarely been cheaper. This is context, not a recommendation.
Price to Sales
American Tower Corporation has been cheaper on this measure only about 3% of the time in 20 years of daily history.
Price to Sales history
EV to EBITDA
American Tower Corporation has been cheaper on this measure only about 6% of the time in 20 years of daily history.
EV to EBITDA history · log scale
American Tower Corporation (AMT) Analysis: Current Drawdown Insights
American Tower Corporation is currently in a drawdown that is unusual by its own historical standards. As of 2026-08-21, the stock is trading at $175.80, which represents a 34.2% decline from its all-time high of $267.37. This drawdown has persisted for 1796 days.
Based on its full tracked price history, American Tower Corporation typically experiences drawdowns averaging 4.5% in depth, with an average duration of 53 days. American Tower Corporation has gone through 157 total drawdown events in its tracked history. The largest drawdown on record for American Tower Corporation was 98.7%, beginning in 2000. The longest drawdown duration on record was 3987 days.
The Drawdown Severity Score™ for American Tower Corporation currently stands at 7.14. This is our proprietary indicator that shows the relative severity of the current drawdown based on the asset's unique historical patterns. A score between 5.0 and 8.0 indicates a rare, significant drawdown: the asset seldom sees declines at this level in its tracked history.
Understanding Drawdowns: A drawdown measures how far a stock has fallen from its peak price. Every stock experiences drawdowns: periods when the price declines from all-time highs before recovering. By analyzing American Tower Corporation's historical drawdown patterns, investors can identify when the stock is experiencing a typical market fluctuation versus an unusual decline that is rare by that stock's own historical standards.
📜 Historical Drawdown Events
Current drawdown shown in blue. Showing the most recent and the deepest of 157 tracked pullbacks (64 listed).
| Start Date | End Date | Duration | Max Depth | Start Price | Lowest Price | Recovery Price |
|---|---|---|---|---|---|---|
| 2021-09-20 | Ongoing | 1796 days | -34.2% | $267.37 | $175.80 | n/a |
| 2021-09-07 | 2021-09-08 | 2 days | -0.9% | $265.95 | $263.49 | $267.37 |
| 2021-08-23 | 2021-08-30 | 8 days | -2.7% | $256.10 | $249.12 | $256.85 |
| 2021-07-28 | 2021-08-19 | 23 days | -4.0% | $252.63 | $242.43 | $254.62 |
| 2021-07-26 | 2021-07-27 | 2 days | -0.2% | $251.20 | $250.63 | $252.63 |
| 2021-07-21 | 2021-07-23 | 3 days | -1.0% | $249.21 | $246.80 | $251.20 |
| 2021-07-19 | 2021-07-20 | 2 days | -0.6% | $248.73 | $247.35 | $249.21 |
| 2021-07-15 | 2021-07-16 | 2 days | -0.0% | $247.78 | $247.70 | $248.73 |
| 2021-07-13 | 2021-07-14 | 2 days | -0.5% | $246.56 | $245.27 | $247.78 |
| 2021-07-08 | 2021-07-09 | 2 days | -0.1% | $244.96 | $244.74 | $245.20 |
| 2021-06-30 | 2021-07-02 | 3 days | -1.0% | $240.22 | $237.89 | $240.29 |
| 2021-06-15 | 2021-06-28 | 14 days | -2.0% | $237.45 | $232.61 | $239.34 |
| 2021-06-11 | 2021-06-14 | 4 days | -0.9% | $237.35 | $235.18 | $237.45 |
| 2021-06-08 | 2021-06-10 | 3 days | -1.0% | $235.43 | $233.14 | $237.35 |
| 2020-07-30 | 2021-06-07 | 313 days | -26.0% | $234.08 | $173.21 | $235.43 |
| 2020-06-04 | 2020-07-28 | 55 days | -7.4% | $229.76 | $212.67 | $230.21 |
| 2020-06-02 | 2020-06-03 | 2 days | -0.3% | $227.11 | $226.49 | $229.76 |
| 2020-04-13 | 2020-06-01 | 50 days | -11.7% | $222.13 | $196.05 | $227.11 |
| 2020-02-14 | 2020-04-09 | 55 days | -30.3% | $219.82 | $153.24 | $222.13 |
| 2019-09-05 | 2020-02-10 | 159 days | -14.3% | $204.48 | $175.22 | $208.52 |
| 2019-08-30 | 2019-09-03 | 5 days | -0.1% | $195.44 | $195.25 | $201.74 |
| 2019-08-27 | 2019-08-28 | 2 days | -0.1% | $195.15 | $194.91 | $195.21 |
| 2019-08-23 | 2019-08-26 | 4 days | -0.8% | $193.83 | $192.18 | $195.15 |
| 2019-08-16 | 2019-08-19 | 4 days | -0.6% | $190.17 | $189.10 | $191.01 |
| 2019-08-12 | 2019-08-15 | 4 days | -1.5% | $188.50 | $185.66 | $190.17 |
| 2019-06-21 | 2019-08-08 | 49 days | -7.0% | $184.51 | $171.60 | $187.48 |
| 2019-06-06 | 2019-06-17 | 12 days | -1.8% | $179.70 | $176.49 | $180.82 |
| 2019-06-04 | 2019-06-05 | 2 days | -0.6% | $176.76 | $175.68 | $179.70 |
| 2019-05-28 | 2019-05-30 | 3 days | -0.9% | $171.45 | $169.87 | $172.88 |
| 2019-05-20 | 2019-05-23 | 4 days | -2.1% | $170.97 | $167.37 | $171.38 |
| 2019-04-15 | 2019-05-14 | 30 days | -4.1% | $167.19 | $160.34 | $167.29 |
| 2019-04-01 | 2019-04-10 | 10 days | -2.3% | $165.67 | $161.85 | $166.06 |
| 2019-03-26 | 2019-03-29 | 4 days | -0.8% | $164.52 | $163.17 | $165.67 |
| 2019-03-22 | 2019-03-25 | 4 days | -0.5% | $163.70 | $162.81 | $164.52 |
| 2019-03-18 | 2019-03-19 | 2 days | -0.0% | $158.87 | $158.80 | $159.66 |
| 2019-03-08 | 2019-03-11 | 3 days | -0.1% | $152.80 | $152.68 | $155.67 |
| 2019-02-19 | 2019-03-01 | 11 days | -2.6% | $149.50 | $145.61 | $149.58 |
| 2019-02-12 | 2019-02-13 | 2 days | -0.2% | $145.44 | $145.10 | $146.03 |
| 2019-02-01 | 2019-02-11 | 11 days | -1.5% | $145.31 | $143.15 | $145.44 |
| 2018-12-07 | 2019-01-25 | 50 days | -8.4% | $140.16 | $128.41 | $140.74 |
| 2018-11-20 | 2018-12-06 | 17 days | -3.6% | $138.99 | $134.04 | $140.16 |
| 2018-11-15 | 2018-11-16 | 2 days | -0.8% | $136.63 | $135.56 | $137.11 |
| 2018-10-31 | 2018-11-12 | 13 days | -5.5% | $134.57 | $127.14 | $134.64 |
| 2018-10-26 | 2018-10-30 | 5 days | -2.5% | $128.35 | $125.09 | $134.57 |
| 2018-08-20 | 2018-10-23 | 65 days | -6.4% | $125.70 | $117.63 | $126.13 |
| 2018-08-06 | 2018-08-17 | 12 days | -1.3% | $125.55 | $123.91 | $125.70 |
| 2017-11-09 | 2018-08-03 | 267 days | -12.5% | $125.00 | $109.40 | $125.55 |
| 2017-09-01 | 2017-11-06 | 67 days | -9.0% | $120.58 | $109.74 | $122.90 |
| 2017-08-17 | 2017-08-21 | 5 days | -1.0% | $114.92 | $113.74 | $115.07 |
| 2017-08-15 | 2017-08-16 | 2 days | -0.2% | $114.00 | $113.78 | $114.92 |
| 2017-07-31 | 2017-08-14 | 15 days | -1.7% | $112.68 | $110.75 | $114.00 |
| 2016-07-25 | 2017-03-21 | 240 days | -14.0% | $94.04 | $80.88 | $94.14 |
| 2015-11-03 | 2016-04-01 | 150 days | -19.2% | $81.81 | $66.11 | $82.58 |
| 2014-12-01 | 2015-11-02 | 337 days | -15.6% | $81.08 | $68.40 | $81.81 |
| 2013-05-22 | 2014-02-19 | 274 days | -18.9% | $63.89 | $51.79 | $63.92 |
| 2011-02-14 | 2011-10-24 | 252 days | -18.3% | $41.88 | $34.22 | $42.26 |
| 2000-03-13 | 2011-02-10 | 3987 days | -98.7% | $40.47 | $0.52 | $40.61 |
| 2000-02-17 | 2000-02-29 | 13 days | -10.9% | $33.96 | $30.27 | $36.36 |
| 2000-01-24 | 2000-02-10 | 18 days | -16.8% | $31.84 | $26.49 | $32.44 |
| 1999-12-21 | 2000-01-10 | 21 days | -9.2% | $23.58 | $21.41 | $25.06 |
| 1999-01-20 | 1999-12-15 | 330 days | -42.3% | $22.06 | $12.74 | $22.75 |
| 1999-01-04 | 1999-01-19 | 16 days | -8.5% | $21.83 | $19.98 | $22.06 |
| 1998-07-24 | 1998-12-28 | 158 days | -51.8% | $20.67 | $9.97 | $21.04 |
| 1998-04-06 | 1998-06-30 | 86 days | -22.2% | $18.27 | $14.21 | $18.41 |
| 1998-03-02 | 1998-03-20 | 19 days | -9.4% | $12.83 | $11.63 | $13.10 |
How to read: Each row shows a complete drawdown from peak to recovery. Red rows = most severe drawdowns (worst 20% or 5x+ average), yellow rows = moderate (2x-5x worse than average).
Know the Moment Severity Changes
See 9 real alerts from the past 5 years with actual returns
Average gain: +1041% • Real alerts • Real results
Monitor 3 stocks free · No credit card required
Or explore current drawdowns:
American Tower Corporation (AMT) is trading at $175.80 as of Aug 21, 2026. It is 34.2% below its high of $267.37. The drawdown has lasted 1,796 days. Severity score: 7.1 (Very Strong).
AMT Price History and Drawdown Data
Latest price
$175.80
High-water mark
$267.37
Current drawdown
-34.2%
Days in drawdown
1,796
This AMT page is built around daily price history, the latest high-water mark, current drawdown depth, drawdown duration, and comparable historical drawdown events. The chart above provides the price-history context, while the sections below explain how the current move compares with prior American Tower Corporation drawdowns.
What History Says About AMT
American Tower Corporation has dropped 20%+ from its high 6 times in its tracked history. These events lasted an average of 822 days with an average max drop of -45.2%.
The current drawdown of -34.2% has lasted 1,796 days, which is 2.2x the average duration of comparable events.
| Period | Max Drop | Duration |
|---|---|---|
| Mar 2000 to Feb 2011 | -98.7% | 3987 days |
| Jul 1998 to Dec 1998 | -51.8% | 158 days |
| Jan 1999 to Dec 1999 | -42.3% | 330 days |
| Feb 2020 to Apr 2020 | -30.3% | 55 days |
| Jul 2020 to Jun 2021 | -26.0% | 313 days |
| Apr 1998 to Jun 1998 | -22.2% | 86 days |
Track AMT in a weekly digest
Get one weekly drawdown digest and a reminder to build a watchlist for tickers like American Tower Corporation. No per-article blasts.
Latest Drawdown Analysis
AVB Is Down 71%. What History Says About AvalonBay
Aug 23, 2026 · 8 min read
INTR's 47% Pullback: Historical Context
Aug 23, 2026 · 5 min read
Agilent Is Down 9% After 1,800 Days. What History Says Now
Aug 22, 2026 · 8 min read
Learn More About Drawdowns
What is a Drawdown?
Definition, formula, and real examples
Biggest Drawdowns Ranked
How this asset's decline compares with the deepest in the tracked record
S&P 500 Drawdown History
Every major index decline with depth, duration, and recovery
Understanding Severity Scores
How our scoring compares to maximum drawdown
Our Methodology
Technical details behind the data
The Drawdown Severity Score
Our proprietary scoring algorithm explained
Latest Analysis
Blog posts and market commentary
Signal of the Day
A daily drawdown signal from the full market database
Explore All Tickers
Browse stocks, ETFs, and crypto drawdowns