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S&P GSCI All Cattle Spot Index AGARCH Volatility Analysis

Volatility prediction for Thursday, October 15th, 2026

1 Day

16.04%

decreased by 0.02%

1 Week

16.03%

decreased by 0.03%

1 Month

16.02%

decreased by 0.04%

Analysis last updated: Wednesday, October 14, 2026 at 11:02 PM UTC

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Date Range:

from

10/14/2024

to

10/14/2026

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of S&P GSCI All Cattle Spot Index AGARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jan 7, 2002 to Oct 9, 2026

Model Insight

The news-impact curve is shifted (γ = 0.52) so that negative returns raise next-day volatility more than positive returns of the same size. The gap is largest for small shocks and narrows for larger ones.

σ

AGARCH Model

Tap to view equation

Asymmetry: negative returns raise volatility more
ParamValuet-stat
ωconst0.0023
0.60
αARCH0.0436
7.95***
βGARCH0.9424
146.20***
γleverage0.5190
5.46***

0.986

Persistence

49d

Half-life
σ

AGARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.0023
0.60
α

ARCH

Response to squared shocks

0.0436
7.95***
β

GARCH

Volatility persistence

0.9424
146.20***
γ

leverage

Additional response to negative shocks

0.5190
5.46***

Persistence:

0.986

Half-life:

49 days