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	param	t-stat
$ω$	-0.0055	-8.47
$α$	0.0411	17.44
$β$	0.9312	233.72
$γ$	0.4195	36.51

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Calamos S&P 500 STR ALT Sept AGARCH Volatility Analysis

Volatility Prediction for Monday, February 9th, 2026:5.47% (+2.59%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

Other Calamos S&P 500 STR ALT Sept Analyses