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STOCKS is currently active.
Closing in 5 hours 36 minutes

10:23
00:00
09:30
16:00
23:59

Trading Hours (Monday - Friday):

Pre-market
04:00 - 09:30
Main market
09:30 - 16:00
Post-market
16:00 - 20:00
All times are displayed in the America/New_York timezone (EDT, UTC-04:00).
173.415 USD
2.785
1.63%
Last update May 18, 10:22 AM EDT
Main market
Day range
171.24
174.5
Previous close
170.63000
Open
171.505
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American Tower Corporation
173.42
2.79
1.63%

Historical data

Prices

Date Open High Low Close % Change Volume
May 18, 2026 171.51 174.50 171.24 173.42 1.11% 38786
May 15, 2026 170.18 172.35 167.37 170.63 0.26% 4632900
May 14, 2026 174.63 175.30 170.19 170.50 -2.37% 2922200
May 13, 2026 176.77 176.81 171.01 173.87 -1.64% 3271000
May 12, 2026 174.59 180.51 174.53 178.82 2.42% 3384000
May 11, 2026 177.05 178.99 176.15 177.47 0.24% 2456400
May 08, 2026 179.83 179.83 176.11 176.53 -1.84% 3510200
May 07, 2026 179.50 180.97 178.43 179.77 0.15% 2589500
May 06, 2026 179.15 181.25 178.41 180.16 0.56% 2116000
May 05, 2026 180 180.68 176.71 178.12 -1.04% 2244200
May 04, 2026 180.67 182.63 179.23 180.88 0.12% 1625500
May 01, 2026 183.77 184.11 180.87 181.61 -1.18% 1943200
Apr 30, 2026 177.99 182.98 177.07 182.71 2.65% 3006400
Apr 29, 2026 177.54 179.22 176.59 178.19 0.37% 2775000
Apr 28, 2026 176.50 180.18 174.29 178.40 1.08% 4484600
Apr 27, 2026 178.64 178.90 174.70 175.30 -1.87% 3046500
Apr 24, 2026 178.89 179.62 176.26 178.21 -0.38% 3065000
Apr 23, 2026 177.55 179.21 176.38 179.01 0.82% 2433900
Apr 22, 2026 176.93 178.19 174.82 176.31 -0.35% 2269500
Apr 21, 2026 181.74 181.88 174.31 174.76 -3.84% 3564000
Apr 20, 2026 181.37 183.43 180.50 181.66 0.16% 2778700
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Main market

Exchange is currently active.
Closing in 5 hours 36 minutes

10:23
00:00
09:30
16:00
23:59

Trading Hours (Monday - Friday):

Pre-market
04:00 - 09:30
Main market
09:30 - 16:00
Post-market
16:00 - 20:00
All times are displayed in the America/New_York timezone (EDT, UTC-04:00).