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V-Lab

CBOE IBM Volatility Index GARCH Volatility Analysis

Volatility prediction for Monday, September 14th, 2026

1 Day

103.51%

decreased by 0.92%

1 Week

105.83%

increased by 1.40%

1 Month

110.93%

increased by 6.50%

Analysis last updated: Monday, September 14, 2026 at 03:12 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of CBOE IBM Volatility Index GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jan 7, 2011 to Sep 11, 2026
Boundary Parameters

Model Insight

Volatility shocks decay with a half-life of 7 trading days, meaning a shock loses half its impact after approximately 7 days.

σ

GARCH Model

Tap to view equation

Shock decay: Shocks decay with a 7-day half-life
ParamValuet-stat
ωconst5.0000
2.02**
αARCH0.0412
2.16**
βGARCH0.8661
15.89***

0.907

Persistence

7d

Half-life
σ

GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

5.0000
2.02**
α

ARCH

Response to squared shocks

0.0412
2.16**
β

GARCH

Volatility persistence

0.8661
15.89***

Persistence:

0.907

Half-life:

7 days