V-Lab
COMSYS Holdings Corp GJR-GARCH Volatility Analysis
Volatility prediction for Monday, July 27th, 2026
1 Day
26.94%
decreased by 0.58%
1 Week
27.39%
decreased by 0.13%
1 Month
28.99%
increased by 1.47%
Analysis last updated: Sunday, July 26, 2026 at 02:19 AM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 3, 1990 to Jul 24, 2026Model Insight
This asset exhibits a strong leverage effect: negative returns increase next-day volatility 178% more than equivalent positive returns.
σ
GJR-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0865 | 16.61*** |
α ARCH Response to squared shocks | 0.0482 | 19.40*** |
β GARCH Volatility persistence | 0.8959 | 356.53*** |
γ leverage Additional response to negative shocks | 0.0858 | 12.58*** |
Persistence:
0.987
Half-life:
53 days
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