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	param	t-stat
$ω$	0.0461	10.50
$α$	0.0237	1.14
$β$	0.9564	259.67
$γ$	1.0000	0.77
$δ$	1.2298	15.41

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Allison Transmission Holdings Inc APARCH Volatility Analysis

Volatility Prediction for Thursday, February 12th, 2026:22.73% (-0.27%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

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