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	param	t-stat
$ω$	0.5291	10.68
$α$	0.0894	20.84
$β$	0.8913	178.33
$γ$	-1.0000	-17.49
$δ$	0.9498	27.43

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CBOE S&P 500 Spot Volatility Index APARCH Volatility Analysis

Volatility Prediction for Thursday, February 12th, 2026:249.47% (-20.69%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

Other CBOE S&P 500 Spot Volatility Index Analyses