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	param	t-stat
$ω$	0.0272	30.21
$α$	0.0769	22.67
$β$	0.9091	400.82
$γ$	0.9083	17.47
$δ$	1.1938	37.13

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Russell Midcap Index APARCH Volatility Analysis

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News Impact Curve

Volatility Forecast

Parameter Estimates

Other Russell Midcap Index Analyses