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CBOE Volatility Index EGARCH Volatility Analysis

Volatility prediction for Friday, September 11th, 2026

1 Day

123.01%

increased by 13.66%

1 Week

120.07%

increased by 10.72%

1 Month

112.53%

increased by 3.18%

Analysis last updated: Friday, September 11, 2026 at 11:35 AM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of CBOE Volatility Index EGARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jan 2, 1990 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

EGARCH Model

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Inverse leverage: volatility responds almost entirely to positive returns
ParamValuet-stat
ωconst0.2224
1.95*
αARCH0.0838
4.25***
βGARCH0.9393
45.68***
γleverage0.1848
8.47***

0.939

Persistence

11d

Half-life
σ

EGARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.2224
1.95*
α

ARCH

Response to squared shocks

0.0838
4.25***
β

GARCH

Volatility persistence

0.9393
45.68***
γ

leverage

Additional response to negative shocks

0.1848
8.47***

Persistence:

0.939

Half-life:

11 days