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Interactive Brokers Group Inc GJR-GARCH Volatility Analysis

Volatility prediction for Tuesday, September 15th, 2026

1 Day

38.89%

decreased by 2.10%

1 Week

38.79%

decreased by 2.20%

1 Month

38.47%

decreased by 2.52%

Analysis last updated: Monday, September 14, 2026 at 09:28 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Interactive Brokers Group Inc GJR-GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

May 4, 2007 to Sep 11, 2026

Model Insight

This asset exhibits a strong leverage effect: negative returns increase next-day volatility 181% more than equivalent positive returns.

σ

GJR-GARCH Model

Tap to view equation

Leverage: Negative returns increase volatility 181% more than positive returns
ParamValuet-stat
ωconst0.1574
5.38***
αARCH0.0555
4.05***
βGARCH0.8656
54.75***
γleverage0.1003
2.90***

0.971

Persistence

24d

Half-life
σ

GJR-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.1574
5.38***
α

ARCH

Response to squared shocks

0.0555
4.05***
β

GARCH

Volatility persistence

0.8656
54.75***
γ

leverage

Additional response to negative shocks

0.1003
2.90***

Persistence:

0.971

Half-life:

24 days