V-Lab
S&P GSCI Live Cattle Index GARCH Volatility Analysis
Volatility prediction for Wednesday, August 12th, 2026
1 Day
15.64%
decreased by 0.39%
1 Week
15.62%
decreased by 0.41%
1 Month
15.57%
decreased by 0.46%
Analysis last updated: Tuesday, August 11, 2026 at 11:03 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 2, 1990 to Aug 7, 2026Model Insight
Volatility shocks decay with a half-life of 63 trading days, meaning a shock loses half its impact after approximately 63 days.
σ
GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0097 | 22.55*** |
α ARCH Response to squared shocks | 0.0488 | 38.31*** |
β GARCH Volatility persistence | 0.9403 | 642.71*** |
Persistence:
0.989
Half-life:
63 days
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