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	param	t-stat
$ω$	0.0266	24.00
$α$	0.0215	11.39
$β$	0.8901	474.44
$γ$	0.1383	27.37

V-Lab

S&P MidCap 400 Index GJR-GARCH Volatility Analysis

Volatility Prediction for Tuesday, February 17th, 2026:14.53% (-0.46%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

Other S&P MidCap 400 Index Analyses