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	param	t-stat
$ω$	0.5082	7.40
$α$	0.2378	28.19
$β$	0.7231	128.78

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ACI Worldwide Inc MEM Volatility Analysis

Volatility Prediction for Wednesday, February 18th, 2026:46.11% (-4.62%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

Other ACI Worldwide Inc Analyses