Skip to main content
V-Lab
V-Lab

CBOE IBM Volatility Index MF2-GARCH Volatility Analysis

Volatility prediction for Friday, September 11th, 2026

1 Day

115.79%

decreased by 24.97%

1 Week

120.09%

decreased by 20.67%

1 Month

123.09%

decreased by 17.67%

Analysis last updated: Friday, September 11, 2026 at 11:31 AM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of CBOE IBM Volatility Index MF2-GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jan 7, 2011 to Sep 4, 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

Inverse leverage: volatility responds almost entirely to positive returns
ParamValuet-stat
mwindow126
αARCH0.4714
4.59***
βGARCH0.3932
4.48***
γleverage-0.4490
-4.42***
λ₁tau intercept10.0000
0.13
λ₂forecast adj.0.0000
0.00
λ₃tau persistence0.8365
0.63

0.640

Persistence

2d

Half-life
σ

MF2-GARCH Model

Tap to view equation

ParameterValuet-statistic
m

window

Rolling window length

126
α

ARCH

Response to squared shocks

0.4714
4.59***
β

GARCH

Volatility persistence

0.3932
4.48***
γ

leverage

Additional response to negative shocks

-0.4490
-4.42***
λ₁

tau intercept

Baseline long-term coefficient

10.0000
0.13
λ₂

forecast adj.

Forecast performance sensitivity

0.0000
0.00
λ₃

tau persistence

Long-term factor persistence

0.8365
0.63

Persistence:

0.640

Half-life:

2 days