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	param	t-stat
$ω$	0.1825	5.19
$α$	0.0956	11.88
$β$	0.8918	73.72
$γ$	0.8387	13.00
$δ$	0.7505	6.87

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Protagonist Therapeutics Inc APARCH Volatility Analysis

Volatility Prediction for Friday, February 13th, 2026:69.90% (+3.29%)

Date Range:

Parameter Estimates

News Impact Curve

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