V-Lab
S&P GSCI All Cattle Spot Index GARCH Volatility Analysis
Volatility prediction for Monday, August 10th, 2026
1 Day
16.87%
decreased by 0.39%
1 Week
16.84%
decreased by 0.42%
1 Month
16.76%
decreased by 0.50%
Analysis last updated: Friday, August 7, 2026 at 11:11 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 7, 2002 to Aug 7, 2026Model Insight
With persistence 0.990, volatility shocks have a half-life of 71 trading days (~0.3 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.
σ
GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0094 | 18.66*** |
α ARCH Response to squared shocks | 0.0465 | 31.84*** |
β GARCH Volatility persistence | 0.9438 | 582.58*** |
Persistence:
0.990
Half-life:
71 days
Other S&P GSCI All Cattle Spot Index Analyses
Other GARCH Analyses on Commodities