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V-Lab

S&P GSCI Silver Index MF2-GARCH Volatility Analysis

Volatility prediction for Thursday, October 8th, 2026

1 Day

31.96%

decreased by 0.15%

1 Week

32.13%

increased by 0.02%

1 Month

32.78%

increased by 0.67%

Analysis last updated: Wednesday, October 7, 2026 at 11:06 PM UTC

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Date Range:

from

10/07/2024

to

10/07/2026

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of S&P GSCI Silver 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 Oct 2, 2026

Model Insight

This asset shows a rare inverse leverage effect: positive returns raise next-day volatility 115% more than negative returns. Volatility rises more after gains than after losses, the reverse of the usual leverage effect and uncommon among risky assets.

σ

MF2-GARCH Model

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Inverse leverage: Positive returns increase volatility 115% more than negative returns
ParamValuet-stat
mwindow121
αARCH0.0636
6.99***
βGARCH0.9373
102.72***
γleverage-0.0340
-3.12***
λ₁tau intercept0.0092
1.01
λ₂forecast adj.0.0221
1.74*
λ₃tau persistence0.9756
67.14***

0.984

Persistence

43d

Half-life
σ

MF2-GARCH Model

Tap to view equation

ParameterValuet-statistic
m

window

Rolling window length

121
α

ARCH

Response to squared shocks

0.0636
6.99***
β

GARCH

Volatility persistence

0.9373
102.72***
γ

leverage

Additional response to negative shocks

-0.0340
-3.12***
λ₁

tau intercept

Baseline long-term coefficient

0.0092
1.01
λ₂

forecast adj.

Forecast performance sensitivity

0.0221
1.74*
λ₃

tau persistence

Long-term factor persistence

0.9756
67.14***

Persistence:

0.984

Half-life:

43 days