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FTSE 100 Implied Volatility Index 30 Days GARCH Volatility Analysis

Volatility prediction for Friday, October 23rd, 2026

1 Day

110.58%

decreased by 0.76%

1 Week

110.46%

decreased by 0.88%

1 Month

110.20%

decreased by 1.14%

Analysis last updated: Friday, October 23, 2026 at 09:08 PM UTC

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Date Range:

from

10/22/2024

to

10/22/2026

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of FTSE 100 Implied Volatility Index 30 Days GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jan 3, 2000 to Oct 22, 2026
Boundary Parameters

Model Insight

Volatility shocks decay with a half-life of 6 trading days, meaning a shock loses half its impact after approximately 6 days.

σ

GARCH Model

Tap to view equation

Shock decay: Shocks decay with a 6-day half-life
ParamValuet-stat
ωconst5.0000
4.48***
αARCH0.1199
6.64***
βGARCH0.7759
25.93***

0.896

Persistence

6d

Half-life
σ

GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

5.0000
4.48***
α

ARCH

Response to squared shocks

0.1199
6.64***
β

GARCH

Volatility persistence

0.7759
25.93***

Persistence:

0.896

Half-life:

6 days