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FTSE 100 Index EGARCH Volatility Analysis

Volatility prediction for Tuesday, October 20th, 2026

1 Day

12.42%

increased by 1.70%

1 Week

12.55%

increased by 1.83%

1 Month

13.00%

increased by 2.28%

Analysis last updated: Monday, October 19, 2026 at 05:12 PM UTC

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Date Range:

from

10/19/2024

to

10/19/2026

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of FTSE 100 Index EGARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jan 1, 1990 to Oct 16, 2026

Model Insight

This asset exhibits a strong leverage effect: volatility responds almost entirely to negative shocks. The ARCH response to positive shocks is negligible.

σ

EGARCH Model

Tap to view equation

Leverage: volatility responds almost entirely to negative shocks
ParamValuet-stat
ωconst-0.0002
-0.02
αARCH0.1386
11.26***
βGARCH0.9789
231.14***
γleverage-0.1038
-9.36***

0.979

Persistence

32d

Half-life
σ

EGARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

-0.0002
-0.02
α

ARCH

Response to squared shocks

0.1386
11.26***
β

GARCH

Volatility persistence

0.9789
231.14***
γ

leverage

Additional response to negative shocks

-0.1038
-9.36***

Persistence:

0.979

Half-life:

32 days