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V-Lab

S&P GSCI All Cattle Spot Index GJR-GARCH Volatility Analysis

Volatility prediction for Monday, September 7th, 2026

1 Day

16.72%

decreased by 0.24%

1 Week

16.69%

decreased by 0.27%

1 Month

16.57%

decreased by 0.39%

Analysis last updated: Friday, September 4, 2026 at 11:30 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of S&P GSCI All Cattle Spot Index GJR-GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jan 7, 2002 to Sep 4, 2026

Model Insight

This asset exhibits a strong leverage effect: volatility responds almost entirely to negative shocks. The ARCH response to positive shocks is negligible.

σ

GJR-GARCH Model

Tap to view equation

Leverage: volatility responds almost entirely to negative shocks
ParamValuet-stat
ωconst0.0125
4.28***
αARCH0.0132
2.04**
βGARCH0.9451
154.94***
γleverage0.0569
3.82***

0.987

Persistence

52d

Half-life
σ

GJR-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.0125
4.28***
α

ARCH

Response to squared shocks

0.0132
2.04**
β

GARCH

Volatility persistence

0.9451
154.94***
γ

leverage

Additional response to negative shocks

0.0569
3.82***

Persistence:

0.987

Half-life:

52 days