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	param	t-stat
$ω$	1.0646	6.29
$α$	0.1199	3.06
$β$	0.6672	7.56
$γ_{1}$	0.1735	0.75
$γ_{2}$	-0.1279	-0.34
$γ_{3}$	-0.3451	-1.28
$γ_{4}$	0.5716	2.53
$γ_{5}$	-0.3416	-1.88

V-Lab

Appian Corp Zero Slope Spline-GARCH Volatility Analysis

Volatility Prediction for Wednesday, February 18th, 2026:63.66% (-6.25%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

Other Appian Corp Analyses