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	param	t-stat
$ω$	1.3413	7.97
$α$	0.0884	3.54
$β$	0.8664	27.59
$γ_{1}$	0.0398	3.01

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Proshares Big Data Refiners ETF Zero Slope Spline-GARCH Volatility Analysis

Volatility Prediction for Tuesday, February 17th, 2026:36.77% (-0.59%)

Date Range:

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News Impact Curve

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