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	param	t-stat
$ω$	0.0272	34.72
$α$	0.0859	47.34
$β$	0.9119	500.48
$γ$	0.6234	42.20
$δ$	0.9347	35.63

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S&P SmallCap 600 Index APARCH Volatility Analysis

Volatility Prediction for Friday, February 20th, 2026:14.43% (-0.48%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

Other S&P SmallCap 600 Index Analyses