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	param	t-stat
$ω$	0.0002	2.72
$α$	0.1246	7.13
$β$	0.8754	50.13

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Calamos S&P 500 STR ALT Sept MEM Volatility Analysis

Volatility Prediction for Tuesday, February 17th, 2026:2.99% (+0.07%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

Other Calamos S&P 500 STR ALT Sept Analyses