Skip to main content
V-Lab

S&P GSCI Natural Gas Index MF2-GARCH Volatility Analysis

Volatility prediction for Friday, August 7th, 2026

1 Day

38.50%

decreased by 0.03%

1 Week

37.24%

decreased by 1.29%

1 Month

38.89%

increased by 0.36%

Analysis last updated: Thursday, August 6, 2026 at 11:04 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of S&P GSCI Natural Gas Index MF2-GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jan 7, 1994 to Jul 31, 2026

Model Insight

This asset shows a rare inverse leverage effect: volatility responds almost entirely to positive returns, rising far more after gains than after losses. This is the reverse of the usual leverage effect, rare among risky assets.

σ

MF2-GARCH Model

Tap to view equation

ParameterValuet-statistic
m

window

Rolling window length

21
α

ARCH

Response to squared shocks

0.0859
10.04***
β

GARCH

Volatility persistence

0.7279
17.09***
γ

leverage

Additional response to negative shocks

-0.0792
-7.60***
λ₁

tau intercept

Baseline long-term coefficient

0.5773
0.44
λ₂

forecast adj.

Forecast performance sensitivity

0.3023
0.47
λ₃

tau persistence

Long-term factor persistence

0.6490
0.88

Persistence:

0.774

Half-life:

3 days