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	param	t-stat
$ω$	0.2736	6.99
$α$	0.0117	5.05
$β$	0.9224	132.32
$γ$	0.0687	6.36

V-Lab

Penumbra Inc GJR-GARCH Volatility Analysis

Volatility Prediction for Friday, February 13th, 2026:37.79% (-0.60%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

Other Penumbra Inc Analyses