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
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Nov 16, 2006 to Jul 31, 2026Model 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
| Parameter | Value | t-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
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