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	param	t-stat
$ω$	0.0485	28.85
$α$	0.1313	48.06
$β$	0.8150	362.70
$γ$	0.0936	15.77

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American Express Co Asy. MEM Volatility Analysis

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Parameter Estimates

News Impact Curve

Volatility Forecasts

Other American Express Co Analyses