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CBOE EFA ETF Volatility Index GARCH Volatility Analysis

Volatility prediction for Monday, October 5th, 2026

1 Day

215.89%

increased by 1.48%

1 Week

212.71%

decreased by 1.70%

1 Month

202.71%

decreased by 11.70%

Analysis last updated: Monday, October 5, 2026 at 11:39 AM UTC

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Date Range:

from

10/02/2024

to

10/02/2026

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of CBOE EFA ETF Volatility Index GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jan 2, 2008 to Oct 2, 2026
Boundary Parameters

Model Insight

Volatility shocks decay with a half-life of 16 trading days, meaning a shock loses half its impact after approximately 16 days.

σ

GARCH Model

Tap to view equation

Shock decay: Shocks decay with a 16-day half-life
ParamValuet-stat
ωconst5.0000
5.35***
αARCH0.1650
6.61***
βGARCH0.7927
33.66***

0.958

Persistence

16d

Half-life
σ

GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

5.0000
5.35***
α

ARCH

Response to squared shocks

0.1650
6.61***
β

GARCH

Volatility persistence

0.7927
33.66***

Persistence:

0.958

Half-life:

16 days