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CBOE Realized Volatility Index GJR-GARCH Volatility Analysis

Volatility prediction for Monday, September 14th, 2026

1 Day

44.30%

increased by 9.91%

1 Week

46.63%

increased by 12.24%

1 Month

48.22%

increased by 13.83%

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 Realized Volatility Index GJR-GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jun 1, 2012 to Sep 11, 2026

Model Insight

Volatility shocks decay with a half-life of 2 trading days, meaning a shock loses half its impact after approximately 2 days.

σ

GJR-GARCH Model

Tap to view equation

Shock decay: Shocks decay with a 2-day half-life
ParamValuet-stat
ωconst3.4535
3.44***
αARCH0.0201
0.62
βGARCH0.2376
1.54
γleverage0.7531
1.87*

0.634

Persistence

2d

Half-life
σ

GJR-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

3.4535
3.44***
α

ARCH

Response to squared shocks

0.0201
0.62
β

GARCH

Volatility persistence

0.2376
1.54
γ

leverage

Additional response to negative shocks

0.7531
1.87*

Persistence:

0.634

Half-life:

2 days