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	param	t-stat
$ω$	0.0305	27.48
$α$	0.0887	33.72
$β$	0.9083	408.39
$γ$	0.5653	16.99
$δ$	1.1988	35.46

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State Street Technology Select Sector SPDR ETF APARCH Volatility Analysis

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News Impact Curve

Volatility Forecast

Parameter Estimates

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