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	param	t-stat
$ω$	0.2323	5.45
$α$	0.1093	17.49
$β$	0.8463	87.75
$γ$	-0.2900	-5.81
$δ$	0.8205	7.46

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Appian Corp APARCH Volatility Analysis

Volatility Prediction for Tuesday, February 17th, 2026:67.71% (-0.57%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

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