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V-Lab

KBR Inc GJR-GARCH Volatility Analysis

Volatility prediction for Thursday, August 6th, 2026

1 Day

45.54%

increased by 3.89%

1 Week

45.13%

increased by 3.48%

1 Month

43.78%

increased by 2.13%

Analysis last updated: Wednesday, August 5, 2026 at 09:44 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of KBR Inc GJR-GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Nov 16, 2006 to Jul 31, 2026

Model Insight

This asset exhibits a strong leverage effect: negative returns increase next-day volatility 314% more than equivalent positive returns.

σ

GJR-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.2150
15.64***
α

ARCH

Response to squared shocks

0.0275
9.15***
β

GARCH

Volatility persistence

0.8939
249.69***
γ

leverage

Additional response to negative shocks

0.0862
11.21***

Persistence:

0.964

Half-life:

19 days