Symbol:    
American Tower Corp 
Options Root:  Open Help    AMT  
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Current1 WK AGO1 MO AGO52 wk Hi/Date52 wk Low/Date
  HISTORICAL VOLATILITY Open Help
10 days22.52%17.43%39.83%151.83% - 26-Mar7.63% - 09-Oct
20 days17.26%16.74%33.15%121.87% - 08-Apr15.27% - 21-Oct
30 days25.81%26.22%28.93%105.75% - 13-Apr15.79% - 06-Feb
  IMPLIED VOLATILITY Open Help
IV Index call Open Help33.20%32.45%33.94%83.46% - 18-Mar16.76% - 17-Jan
IV Index put Open Help32.10%31.81%34.15%81.35% - 18-Mar17.02% - 16-Jan
IV Index mean Open Help32.65%32.13%34.04%82.41% - 18-Mar16.90% - 17-Jan
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      AMT: DAILY 3 MONTHS VOLATILITY CHART   ( 3 months    6 months    1 year )
    IV Index Call     IV Index Put     IV Index Call & Put     IV Index Mean
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Volatility chart
OPTIONS VOLUME, CONTRACTS
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Options volume chart