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V-Lab

KBR Inc Asy. Power MEM Volatility Analysis

Volatility prediction for Thursday, August 6th, 2026

1 Day

49.84%

increased by 3.42%

1 Week

44.54%

decreased by 1.88%

1 Month

33.41%

decreased by 13.01%

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 APMEM

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

Volatility shocks decay with a half-life of 9 trading days, meaning a shock loses half its impact after approximately 9 days. The volatility power δ = 0.50 sits below 2, so large shocks influence volatility less than quadratically, a more outlier-robust response than standard GARCH.

μ

APMEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.0818
14.77***
α

ARCH

Response to squared shocks

0.2225
49.13***
β

GARCH

Volatility persistence

0.7402
138.38***
γ

leverage

Additional response to negative shocks

0.0746
10.44***
δ

power

Transformation power

0.5000
8.61***

Persistence:

0.923

Half-life:

9 days