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	param	t-stat
$ω$	1.2233	11.05
$α$	0.0675	7.24
$β$	0.9075	73.65
$γ_{1}$	0.0010	3.20

V-Lab

China Petroleum & Chemical Corp Zero Slope Spline-GARCH Volatility Analysis

Volatility Prediction for Friday, February 20th, 2026:34.90% (-1.00%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

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