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	param	t-stat
$ω$	0.0266	23.94
$α$	0.0213	11.31
$β$	0.8903	475.58
$γ$	0.1383	27.42

V-Lab

S&P MidCap 400 Index GJR-GARCH Volatility Analysis

Volatility Prediction for Monday, February 23rd, 2026:12.57% (-0.38%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

Other S&P MidCap 400 Index Analyses