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	param	t-stat
$ω$	0.0514	11.23
$α$	0.0844	12.98
$β$	0.9005	99.35
$γ$	1.0000	824.39
$δ$	0.5095	6.60

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Proshares S&P 500 HI Inc ETF APARCH Volatility Analysis

Volatility Prediction for Tuesday, February 17th, 2026:13.66% (-1.33%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

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