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	param	t-stat
$ω$	1.2868	4.22
$α$	0.2520	1.68
$β$	0.0827	0.24
$γ_{1}$	1.1811	0.31

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Calamos S&P 500 STR ALT PRT Spline-GARCH Volatility Analysis

Volatility Prediction for Monday, February 9th, 2026:2.65% (+0.92%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

Other Calamos S&P 500 STR ALT PRT Analyses