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V-Lab
V-Lab

S&P GSCI Livestock Spot Index GJR-GARCH Volatility Analysis

Volatility prediction for Monday, September 21st, 2026

1 Day

14.93%

decreased by 0.30%

1 Week

14.91%

decreased by 0.32%

1 Month

14.81%

decreased by 0.42%

Analysis last updated: Saturday, September 19, 2026 at 12:02 AM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of S&P GSCI Livestock Spot Index GJR-GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jan 2, 1990 to Sep 18, 2026

Model 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

Leverage: Negative returns increase volatility 153% more than positive returns
ParamValuet-stat
ωconst0.0138
5.28***
αARCH0.0246
3.50***
βGARCH0.9392
155.61***
γleverage0.0377
2.40**

0.983

Persistence

40d

Half-life
σ

GJR-GARCH Model

Tap to view equation

ParameterValuet-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
155.61***
γ

leverage

Additional response to negative shocks

0.0377
2.40**

Persistence:

0.983

Half-life:

40 days