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	param	t-stat
$ω$	0.3263	8.27
$α$	0.1539	4.89
$β$	0.6407	15.05
$γ$	1.0000	5.17
$δ$	0.9805	4.02

V-Lab

WEBs SPY Defined Volatility ETF APARCH Volatility Analysis

Volatility Prediction for Wednesday, February 11th, 2026:22.48% (+0.22%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

Other WEBs SPY Defined Volatility ETF Analyses