V-Lab
COMSYS Holdings Corp GJR-GARCH Volatility Analysis
Volatility prediction for Monday, August 24th, 2026
1 Day
24.64%
decreased by 0.93%
1 Week
25.20%
decreased by 0.37%
1 Month
27.12%
increased by 1.55%
Analysis last updated: Saturday, August 22, 2026 at 10:26 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 3, 1990 to Aug 21, 2026Model Insight
This asset exhibits a strong leverage effect: negative returns increase next-day volatility 176% more than equivalent positive returns.
σ
GJR-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0866 | 16.63*** |
α ARCH Response to squared shocks | 0.0485 | 19.52*** |
β GARCH Volatility persistence | 0.8956 | 355.69*** |
γ leverage Additional response to negative shocks | 0.0856 | 12.54*** |
Persistence:
0.987
Half-life:
53 days
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