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	param	t-stat
$ω$	0.0866	8.87
$α$	0.0680	13.98
$β$	0.8984	105.61
$γ$	0.5600	11.55
$δ$	0.5000	8.29

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Penumbra Inc APARCH Volatility Analysis

Volatility Prediction for Tuesday, February 17th, 2026:26.95% (-1.26%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

Other Penumbra Inc Analyses