V-Lab
KBR Inc Asy. MEM Volatility Analysis
Volatility prediction for Thursday, August 6th, 2026
1 Day
52.14%
increased by 1.11%
1 Week
51.34%
increased by 0.31%
1 Month
48.82%
decreased by 2.21%
Analysis last updated: Wednesday, August 5, 2026 at 09:44 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Nov 16, 2006 to Jul 31, 2026Model Insight
This asset exhibits a modest leverage effect: negative returns increase next-day volatility 40% more than equivalent positive returns.
μ
AMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.2903 | 24.17*** |
α ARCH Response to squared shocks | 0.1660 | 29.66*** |
β GARCH Volatility persistence | 0.7580 | 167.74*** |
γ leverage Additional response to negative shocks | 0.0663 | 6.06*** |
Persistence:
0.957
Half-life:
16 days
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