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	param	t-stat
$ω$	3.6965	14.93
$α$	0.1305	19.97
$β$	0.7592	54.55
$γ$	-1.0822	-3.01

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Sunlands Technology Group AGARCH Volatility Analysis

Volatility Prediction for Wednesday, February 11th, 2026:64.84% (-0.08%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

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