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V-Lab

General Mills Inc MF2-GARCH Volatility Analysis

Volatility prediction for Monday, September 21st, 2026

1 Day

27.07%

decreased by 0.08%

1 Week

28.31%

increased by 1.16%

1 Month

29.30%

increased by 2.15%

Analysis last updated: Friday, September 18, 2026 at 11:32 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of General Mills Inc MF2-GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jan 2, 1990 to Sep 18, 2026
Stationarity Enforced

Model Insight

Volatility shocks decay with a half-life of 2 trading days, meaning a shock loses half its impact after approximately 2 days.

σ

MF2-GARCH Model

Tap to view equation

Shock decay: Shocks decay with a 2-day half-life
ParamValuet-stat
mwindow66
αARCH0.0783
4.40***
βGARCH0.6615
12.99***
γleverage0.0355
1.51
λ₁tau intercept0.0343
1.75*
λ₂forecast adj.0.0780
2.01**
λ₃tau persistence0.9010
18.24***

0.758

Persistence

2d

Half-life
σ

MF2-GARCH Model

Tap to view equation

ParameterValuet-statistic
m

window

Rolling window length

66
α

ARCH

Response to squared shocks

0.0783
4.40***
β

GARCH

Volatility persistence

0.6615
12.99***
γ

leverage

Additional response to negative shocks

0.0355
1.51
λ₁

tau intercept

Baseline long-term coefficient

0.0343
1.75*
λ₂

forecast adj.

Forecast performance sensitivity

0.0780
2.01**
λ₃

tau persistence

Long-term factor persistence

0.9010
18.24***

Persistence:

0.758

Half-life:

2 days