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	param	t-stat
$ω$	0.0564	10.40
$α$	0.0663	17.20
$β$	0.9198	197.10
$γ$	0.6338	12.38
$δ$	0.9074	10.42

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Proshares Big Data Refiners ETF APARCH Volatility Analysis

Volatility Prediction for Tuesday, February 17th, 2026:41.30% (-1.67%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

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