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AMT’s worst drop since 1999 was 99%

American Tower (AMT) fell 99% from Mar 2000 to Oct 2002. It took 10.9 years from that peak to close at a new high, in Feb 2011. Over the same years the S&P 500 fell as much as 55%.

That drop ranks 34th deepest among the 986 stocks PortfolioAutopsy tracks.

−98.7%
Worst drop
Mar 2000 → Oct 2002
10.9 yrs
Back to the old high
new high Feb 2011
−95.4%
Worst 12 months
Oct 2001 → Oct 2002
10.9 yrs
Longest underwater
from Mar 2000
−30.0%
Now vs its high
as of 2026-10-13
+8.2%
Yearly return since 1999
dividends reinvested

Drawdown from the last high, 1999 to now

AMTS&P 500 (SPY)
AMT drawdown from its last high since 19990%−25%−50%−75%−100%200020052010201520202025−99% by Oct 2002

How AMT held up in each crash

CrashYearsAMTS&P 500
Dot-com bust2000–02−98.7%−47.5%
Financial crisis2007–09−56.5%−55.2%
COVID crash2020−30.3%−33.7%
2022 rate shock2022−34.6%−24.5%

Each number is the deepest fall from a high inside that window, using daily prices with dividends reinvested.

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Questions

What was AMT’s maximum drawdown?

AMT’s deepest fall since 1999 was 98.7%, from its high on March 10, 2000 to its low on October 9, 2002. The figure uses daily prices with dividends reinvested.

How long did AMT take to recover?

10.9 years. AMT first closed above its Mar 2000 high again on February 10, 2011.

Was AMT riskier than the S&P 500?

Over the same years, AMT’s worst drop was 98.7% against 55.2% for the S&P 500 (SPY), and its worst 12 months were −95.4% against −47.4%.

Compare with

MU −98%BKNG −99%C −98%LCID −99%AIG −100%MSTR −100%AMD −97%F −95%All tickers

Daily adjusted closes from Yahoo Finance, January 5, 1999 through October 13, 2026, dividends reinvested. Historical facts, not a forecast and not investment advice.

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