V-Lab
Neogen Corp MF2-GARCH Volatility Analysis
Volatility prediction for Wednesday, August 26th, 2026
1 Day
52.70%
decreased by 2.25%
1 Week
55.58%
increased by 0.63%
1 Month
60.46%
increased by 5.51%
Analysis last updated: Tuesday, August 25, 2026 at 09:28 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 2, 1990 to Aug 21, 2026Model Insight
This asset exhibits a strong leverage effect: negative returns increase next-day volatility 180% more than equivalent positive returns.
σ
MF2-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
m window Rolling window length | 41 | |
α ARCH Response to squared shocks | 0.0644 | 14.40*** |
β GARCH Volatility persistence | 0.6556 | 49.41*** |
γ leverage Additional response to negative shocks | 0.1158 | 15.57*** |
λ₁ tau intercept Baseline long-term coefficient | 0.0189 | 1.07 |
λ₂ forecast adj. Forecast performance sensitivity | 0.0199 | 3.40*** |
λ₃ tau persistence Long-term factor persistence | 0.9781 | 150.39*** |
Persistence:
0.778
Half-life:
3 days
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