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	param	t-stat
$ω$	0.0360	19.90
$α$	0.0097	4.67
$β$	0.8885	428.59
$γ$	0.1600	27.71

V-Lab

State Street SPDR S&P MidCap 400 ETF Trust GJR-GARCH Volatility Analysis

Volatility Prediction for Monday, February 9th, 2026:13.47% (+0.57%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

Other State Street SPDR S&P MidCap 400 ETF Trust Analyses