V-Lab
S&P GSCI Livestock Spot Index GJR-GARCH Volatility Analysis
Volatility prediction for Monday, August 31st, 2026
1 Day
14.66%
decreased by 0.34%
1 Week
14.64%
decreased by 0.36%
1 Month
14.58%
decreased by 0.42%
Analysis last updated: Friday, August 28, 2026 at 11:10 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 2, 1990 to Aug 28, 2026Model Insight
This asset exhibits a strong leverage effect: negative returns increase next-day volatility 153% more than equivalent positive returns.
σ
GJR-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0138 | 5.28*** |
α ARCH Response to squared shocks | 0.0246 | 3.50*** |
β GARCH Volatility persistence | 0.9392 | 155.21*** |
γ leverage Additional response to negative shocks | 0.0377 | 2.40** |
Persistence:
0.983
Half-life:
40 days
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