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V-Lab

S&P GSCI Industrial Metals Spot Index MF2-GARCH Volatility Analysis

Volatility prediction for Monday, September 21st, 2026

1 Day

17.01%

decreased by 0.50%

1 Week

17.04%

decreased by 0.47%

1 Month

17.12%

decreased by 0.39%

Analysis last updated: Saturday, September 19, 2026 at 12:03 AM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

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graph of S&P GSCI Industrial Metals Spot Index MF2-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
Stationarity Enforced

Model Insight

Volatility shocks decay with a half-life of 15 trading days, meaning a shock loses half its impact after approximately 15 days.

σ

MF2-GARCH Model

Tap to view equation

Shock decay: Shocks decay with a 15-day half-life
ParamValuet-stat
mwindow116
αARCH0.0491
5.32***
βGARCH0.9001
66.93***
γleverage0.0109
1.03
λ₁tau intercept0.0109
1.25
λ₂forecast adj.0.0789
1.73*
λ₃tau persistence0.9132
18.10***

0.955

Persistence

15d

Half-life
σ

MF2-GARCH Model

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ParameterValuet-statistic
m

window

Rolling window length

116
α

ARCH

Response to squared shocks

0.0491
5.32***
β

GARCH

Volatility persistence

0.9001
66.93***
γ

leverage

Additional response to negative shocks

0.0109
1.03
λ₁

tau intercept

Baseline long-term coefficient

0.0109
1.25
λ₂

forecast adj.

Forecast performance sensitivity

0.0789
1.73*
λ₃

tau persistence

Long-term factor persistence

0.9132
18.10***

Persistence:

0.955

Half-life:

15 days