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S&P GSCI Livestock Spot Index GARCH Volatility Analysis

Volatility prediction for Monday, September 21st, 2026

1 Day

13.99%

decreased by 0.31%

1 Week

14.00%

decreased by 0.30%

1 Month

14.04%

decreased by 0.26%

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 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

Volatility shocks decay with a half-life of 43 trading days, meaning a shock loses half its impact after approximately 43 days.

σ

GARCH Model

Tap to view equation

Shock decay: Shocks decay with a 43-day half-life
ParamValuet-stat
ωconst0.0131
5.95***
αARCH0.0482
9.63***
βGARCH0.9357
147.79***

0.984

Persistence

43d

Half-life
σ

GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.0131
5.95***
α

ARCH

Response to squared shocks

0.0482
9.63***
β

GARCH

Volatility persistence

0.9357
147.79***

Persistence:

0.984

Half-life:

43 days