V-Lab
Kelly Services Inc GJR-GARCH Volatility Analysis
Volatility prediction for Monday, October 5th, 2026
1 Day
34.41%
increased by 5.93%
1 Week
34.76%
increased by 6.28%
1 Month
35.90%
increased by 7.42%
Analysis last updated: Friday, October 2, 2026 at 10:41 PM UTC
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News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 2, 1990 to Oct 2, 2026Model Insight
Volatility shocks decay with a half-life of 22 trading days, meaning a shock loses half its impact after approximately 22 days.
σ
GJR-GARCH Model
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Shock decay: Shocks decay with a 22-day half-life
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.1967 | 4.92*** |
| αARCH | 0.0600 | 3.62*** |
| βGARCH | 0.8976 | 59.06*** |
| γleverage | 0.0226 | 0.92 |
0.969
Persistence22d
Half-lifeσ
GJR-GARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.1967 | 4.92*** |
α ARCH Response to squared shocks | 0.0600 | 3.62*** |
β GARCH Volatility persistence | 0.8976 | 59.06*** |
γ leverage Additional response to negative shocks | 0.0226 | 0.92 |
Persistence:
0.969
Half-life:
22 days
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