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CBOE EFA ETF Volatility Index MEM Volatility Analysis

Volatility prediction for Tuesday, October 6th, 2026

1 Day

147.90%

increased by 13.63%

1 Week

154.74%

increased by 20.47%

1 Month

178.04%

increased by 43.77%

Analysis last updated: Tuesday, October 6, 2026 at 03:12 PM UTC

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Date Range:

from

10/05/2024

to

10/05/2026

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of CBOE EFA ETF Volatility Index MEM

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jun 28, 2013 to Oct 2, 2026

Model Insight

With persistence 0.990, volatility shocks have a half-life of 70 trading days (~0.3 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.

μ

MEM Model

Tap to view equation

High persistence: persistence 0.990, shock half-life ~70 days
ParamValuet-stat
ωconst5.0000
1.92*
αARCH0.2429
6.49***
βGARCH0.7472
26.90***

0.990

Persistence

70d

Half-life
μ

MEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

5.0000
1.92*
α

ARCH

Response to squared shocks

0.2429
6.49***
β

GARCH

Volatility persistence

0.7472
26.90***

Persistence:

0.990

Half-life:

70 days