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	param	t-stat
$ω$	0.0390	13.94
$α$	0.0906	24.87
$β$	0.8941	260.82
$γ$	0.3422	7.21
$δ$	1.3237	12.93

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General American Investors Co Inc APARCH Volatility Analysis

Volatility Prediction for Friday, February 20th, 2026:11.45% (-0.41%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

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