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	param	t-stat
$ω$	1.0470	7.96
$α$	0.1083	7.27
$β$	0.8052	28.60
$γ_{1}$	-0.1038	-1.27
$γ_{2}$	0.1584	1.21
$γ_{3}$	-0.0310	-0.29
$γ_{4}$	-0.0787	-0.76
$γ_{5}$	0.1904	1.90
$γ_{6}$	-0.4255	-3.78
$γ_{7}$	0.7444	4.42

V-Lab

Petrovietnam Chemical Spline-GARCH Volatility Analysis

Volatility Prediction for Wednesday, February 11th, 2026:82.00% (+15.91%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

Other Petrovietnam Chemical Analyses