Skip to main content
V-Lab

CBOE VIX Indicative Ask Index MF2-GARCH Volatility Analysis

Volatility prediction for Friday, August 21st, 2026

1 Day

116.24%

increased by 13.04%

1 Week

117.79%

increased by 14.59%

1 Month

119.72%

increased by 16.52%

Analysis last updated: Friday, August 21, 2026 at 11:34 AM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of CBOE VIX Indicative Ask Index MF2-GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Sep 18, 2009 to Aug 14, 2026

Model Insight

This asset shows a rare inverse leverage effect: volatility responds almost entirely to positive returns, rising far more after gains than after losses. This is the reverse of the usual leverage effect, rare among risky assets.

σ

MF2-GARCH Model

Tap to view equation

ParameterValuet-statistic
m

window

Rolling window length

51
α

ARCH

Response to squared shocks

0.2941
36.02***
β

GARCH

Volatility persistence

0.6670
57.29***
γ

leverage

Additional response to negative shocks

-0.2941
-29.95***
λ₁

tau intercept

Baseline long-term coefficient

0.3961
0.65
λ₂

forecast adj.

Forecast performance sensitivity

0.0040
1.09
λ₃

tau persistence

Long-term factor persistence

0.9890
70.11***

Persistence:

0.814

Half-life:

3 days