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	param	t-stat
$ω$	0.0131	10.20
$α$	0.0203	15.91
$β$	0.9797	889.85
$γ$	0.5239	10.93
$δ$	1.4189	29.37

V-Lab

CSG Systems International Inc APARCH Volatility Analysis

Volatility Prediction for Thursday, February 12th, 2026:17.37% (-0.08%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

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