V-Lab
KBR Inc EGARCH Volatility Analysis
Volatility prediction for Thursday, August 6th, 2026
1 Day
46.66%
increased by 4.17%
1 Week
46.56%
increased by 4.07%
1 Month
46.21%
increased by 3.72%
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 strong leverage effect: negative returns increase next-day volatility 202% more than equivalent positive returns.
σ
EGARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0502 | 8.90*** |
α ARCH Response to squared shocks | 0.1254 | 21.85*** |
β GARCH Volatility persistence | 0.9757 | 487.12*** |
γ leverage Additional response to negative shocks | -0.0630 | -12.81*** |
Persistence:
0.976
Half-life:
28 days
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