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	param	t-stat
$ω$	0.0185	21.15
$α$	0.0586	42.65
$β$	0.9318	611.84

V-Lab

S&P GSCI Grains Spot Index GARCH Volatility Analysis

Volatility Prediction for Tuesday, December 23rd, 2025:14.78% (-0.04%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

Other S&P GSCI Grains Spot Index Analyses