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V-Lab

CBOE Google Volatility Index MF2-GARCH Volatility Analysis

Volatility prediction for Thursday, August 6th, 2026

1 Day

78.46%

decreased by 0.55%

1 Week

92.76%

increased by 13.75%

1 Month

98.11%

increased by 19.10%

Analysis last updated: Thursday, August 6, 2026 at 11:37 AM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of CBOE Google Volatility Index MF2-GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jan 7, 2011 to Jul 31, 2026

Model Insight

Volatility shocks decay with a half-life of 1 trading day, meaning a shock loses half its impact after approximately 1 day.

σ

MF2-GARCH Model

Tap to view equation

ParameterValuet-statistic
m

window

Rolling window length

66
α

ARCH

Response to squared shocks

0.3394
19.83***
β

GARCH

Volatility persistence

0.1122
6.78***
γ

leverage

Additional response to negative shocks

0.0092
0.30
λ₁

tau intercept

Baseline long-term coefficient

0.7968
0.38
λ₂

forecast adj.

Forecast performance sensitivity

0.0208
0.61
λ₃

tau persistence

Long-term factor persistence

0.9666
16.41***

Persistence:

0.456

Half-life:

1 days