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V-Lab
V-Lab

KBR Inc EGARCH Volatility Analysis

Volatility prediction for Monday, September 14th, 2026

1 Day

31.14%

decreased by 1.17%

1 Week

31.68%

decreased by 0.63%

1 Month

33.61%

increased by 1.30%

Analysis last updated: Saturday, September 12, 2026 at 12:13 AM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of KBR Inc EGARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Nov 16, 2006 to Sep 11, 2026

Model Insight

This asset exhibits a strong leverage effect: negative returns increase next-day volatility 195% more than equivalent positive returns.

σ

EGARCH Model

Tap to view equation

Leverage: Negative returns increase volatility 195% more than positive returns
ParamValuet-stat
ωconst0.0514
2.27**
αARCH0.1272
5.53***
βGARCH0.9748
119.37***
γleverage-0.0628
-3.17***

0.975

Persistence

27d

Half-life
σ

EGARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.0514
2.27**
α

ARCH

Response to squared shocks

0.1272
5.53***
β

GARCH

Volatility persistence

0.9748
119.37***
γ

leverage

Additional response to negative shocks

-0.0628
-3.17***

Persistence:

0.975

Half-life:

27 days