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V-Lab

Neogen Corp Asy. MEM Volatility Analysis

Volatility prediction for Thursday, August 20th, 2026

1 Day

51.00%

increased by 3.00%

1 Week

51.14%

increased by 3.14%

1 Month

51.64%

increased by 3.64%

Analysis last updated: Wednesday, August 19, 2026 at 09:27 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Neogen Corp AMEM

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jun 12, 1992 to Aug 14, 2026

Model Insight

Volatility shocks decay with a half-life of 40 trading days, meaning a shock loses half its impact after approximately 40 days.

μ

AMEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.2045
22.01***
α

ARCH

Response to squared shocks

0.1772
31.46***
β

GARCH

Volatility persistence

0.7975
200.27***
γ

leverage

Additional response to negative shocks

0.0167
2.08**

Persistence:

0.983

Half-life:

40 days