V-Lab
General Mills Inc GAS-GARCH Student T Volatility Analysis
Volatility prediction for Monday, July 27th, 2026
1 Day
36.03%
decreased by 0.68%
1 Week
35.79%
decreased by 0.92%
1 Month
34.90%
decreased by 1.81%
Analysis last updated: Friday, July 24, 2026 at 10:37 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
Volatility shocks decay with a half-life of 69 trading days, meaning a shock loses half its impact after approximately 69 days. Returns follow a Student-t distribution with v = 4.94 degrees of freedom, capturing fatter tails than a normal distribution.
𝑓
GAS-GARCH-T Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 1.7564 | 4.43*** |
α ARCH Response to squared shocks | 0.0477 | 26.39*** |
β GARCH Volatility persistence | 0.9900 | 420.73*** |
ν DF Student-t tail thickness | 4.9384 | 7.37*** |
Persistence:
0.990
Half-life:
69 days
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