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	param	t-stat
$ω$	0.0319	24.50
$α$	0.0827	30.70
$β$	0.9086	342.47
$γ$	0.6553	22.53
$δ$	1.2454	19.00

V-Lab

Invesco RAFI US 1500 Small-Mid ETF APARCH Volatility Analysis

Volatility Prediction for Friday, February 13th, 2026:20.33% (+3.44%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

Other Invesco RAFI US 1500 Small-Mid ETF Analyses