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FTSE 100 Implied Volatility Index 30 Days EGARCH Volatility Analysis

Volatility prediction for Friday, September 11th, 2026

1 Day

109.94%

decreased by 6.49%

1 Week

109.67%

decreased by 6.76%

1 Month

108.98%

decreased by 7.45%

Analysis last updated: Saturday, September 12, 2026 at 12:50 AM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of FTSE 100 Implied Volatility Index 30 Days EGARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jan 3, 2000 to Sep 10, 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
ωconst0.2550
3.99***
αARCH0.1313
2.32**
βGARCH0.9334
66.08***
γleverage0.1198
2.30**

0.933

Persistence

10d

Half-life
σ

EGARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.2550
3.99***
α

ARCH

Response to squared shocks

0.1313
2.32**
β

GARCH

Volatility persistence

0.9334
66.08***
γ

leverage

Additional response to negative shocks

0.1198
2.30**

Persistence:

0.933

Half-life:

10 days