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V-Lab
V-Lab

FTSE 100 Index GARCH Volatility Analysis

Volatility prediction for Monday, October 12th, 2026

1 Day

12.23%

increased by 0.77%

1 Week

12.42%

increased by 0.96%

1 Month

13.07%

increased by 1.61%

Analysis last updated: Friday, October 9, 2026 at 05:06 PM UTC

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Date Range:

from

10/09/2024

to

10/09/2026

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of FTSE 100 Index GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jan 1, 1990 to Oct 9, 2026

Model Insight

Volatility shocks decay with a half-life of 34 trading days, meaning a shock loses half its impact after approximately 34 days.

σ

GARCH Model

Tap to view equation

Shock decay: Shocks decay with a 34-day half-life
ParamValuet-stat
ωconst0.0215
6.36***
αARCH0.1043
11.55***
βGARCH0.8756
92.38***

0.980

Persistence

34d

Half-life
σ

GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.0215
6.36***
α

ARCH

Response to squared shocks

0.1043
11.55***
β

GARCH

Volatility persistence

0.8756
92.38***

Persistence:

0.980

Half-life:

34 days