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	param	t-stat
$ω$	0.0142	7.73
$α$	0.0267	12.73
$β$	0.9679	554.65
$γ$	0.0087	1.56

V-Lab

T-Mobile US Inc GJR-GARCH Volatility Analysis

Volatility Prediction for Monday, February 23rd, 2026:28.93% (-0.41%)

Date Range:

Parameter Estimates

News Impact Curve

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