V-Lab
General Mills Inc GJR-GARCH Volatility Analysis
Volatility prediction for Monday, July 27th, 2026
1 Day
33.61%
decreased by 0.54%
1 Week
33.40%
decreased by 0.75%
1 Month
32.61%
decreased by 1.54%
Analysis last updated: Friday, July 24, 2026 at 10:35 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 2, 1990 to Jul 24, 2026Model Insight
This asset exhibits a notable leverage effect: negative returns increase next-day volatility 60% more than equivalent positive returns.
σ
GJR-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0178 | 15.86*** |
α ARCH Response to squared shocks | 0.0277 | 14.68*** |
β GARCH Volatility persistence | 0.9537 | 613.70*** |
γ leverage Additional response to negative shocks | 0.0167 | 5.10*** |
Persistence:
0.990
Half-life:
68 days
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