V-Lab
General Mills Inc Asy. MEM Volatility Analysis
Volatility prediction for Thursday, September 10th, 2026
1 Day
35.88%
decreased by 1.07%
1 Week
35.42%
decreased by 1.53%
1 Month
33.76%
decreased by 3.19%
Analysis last updated: Wednesday, September 9, 2026 at 09:38 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 2, 1990 to Sep 4, 2026Model Insight
Volatility shocks decay with a half-life of 34 trading days, meaning a shock loses half its impact after approximately 34 days.
μ
AMEM Model
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Shock decay: Shocks decay with a 34-day half-life
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.0380 | 6.21*** |
| αARCH | 0.1229 | 9.55*** |
| βGARCH | 0.8363 | 77.16*** |
| γleverage | 0.0408 | 1.78* |
0.980
Persistence34d
Half-lifeμ
AMEM Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0380 | 6.21*** |
α ARCH Response to squared shocks | 0.1229 | 9.55*** |
β GARCH Volatility persistence | 0.8363 | 77.16*** |
γ leverage Additional response to negative shocks | 0.0408 | 1.78* |
Persistence:
0.980
Half-life:
34 days
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