V-Lab
CRA International Inc GARCH Volatility Analysis
Volatility prediction for Wednesday, August 12th, 2026
1 Day
39.31%
decreased by 2.72%
1 Week
41.43%
decreased by 0.60%
1 Month
44.47%
increased by 2.44%
Analysis last updated: Tuesday, August 11, 2026 at 09:57 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Apr 24, 1998 to Aug 7, 2026Model Insight
Volatility shocks decay with a half-life of 4 trading days, meaning a shock loses half its impact after approximately 4 days.
σ
GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 1.4508 | 21.44*** |
α ARCH Response to squared shocks | 0.1620 | 23.58*** |
β GARCH Volatility persistence | 0.6672 | 62.59*** |
Persistence:
0.829
Half-life:
4 days
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