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	param	t-stat
$ω$	0.0337	26.92
$α$	0.0463	17.71
$β$	0.9087	416.66
$γ$	0.0465	9.07

V-Lab

DTE Energy Co GJR-GARCH Volatility Analysis

Volatility Prediction for Thursday, February 19th, 2026:19.02% (+0.70%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

Other DTE Energy Co Analyses