V-Lab
KBR Inc MF2-GARCH Volatility Analysis
Volatility prediction for Thursday, August 6th, 2026
1 Day
44.91%
increased by 4.34%
1 Week
44.44%
increased by 3.87%
1 Month
42.91%
increased by 2.34%
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: volatility responds almost entirely to negative shocks. The ARCH response to positive shocks is negligible.
σ
MF2-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
m window Rolling window length | 116 | |
α ARCH Response to squared shocks | 0.0168 | 6.07*** |
β GARCH Volatility persistence | 0.8938 | 190.69*** |
γ leverage Additional response to negative shocks | 0.1023 | 22.12*** |
λ₁ tau intercept Baseline long-term coefficient | 5.7152 | 0.21 |
λ₂ forecast adj. Forecast performance sensitivity | 0.0000 | 0.00 |
λ₃ tau persistence Long-term factor persistence | 0.0000 | 0.00 |
Persistence:
0.962
Half-life:
18 days
Other MF2-GARCH Analyses on Equities