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	param	t-stat
$ω$	0.0178	21.45
$α$	0.0652	24.01
$β$	0.9342	627.82
$γ$	-0.0178	-4.06

V-Lab

S&P GSCI Grains Spot Index GJR-GARCH Volatility Analysis

Volatility Prediction for Friday, February 20th, 2026:16.29% (+0.06%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

Other S&P GSCI Grains Spot Index Analyses