V-Lab
Cheetah NET Suply CN SER Inc GJR-GARCH Volatility Analysis
High-persistence model: shocks decay very slowly, so the theoretical long-run value may not be practically meaningful
Volatility prediction for Monday, September 14th, 2026
1 Day
95.60%
1 Week
107.98%
1 Month
147.44%
Analysis last updated: Friday, September 11, 2026 at 10:42 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Aug 1, 2023 to Sep 11, 2026Model Insight
With persistence 1.000, volatility shocks have a half-life of 1386294 trading days (~5501.2 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.
GJR-GARCH Model
Tap to view equation
| Param | Value | t-stat |
|---|---|---|
| ωconst | 5.0000 | 1.99** |
| αARCH | 0.3402 | 1.74* |
| βGARCH | 0.8009 | 13.98*** |
| γleverage | -0.2820 | -1.65* |
1.000
Persistence1386294d
Half-lifeGJR-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 5.0000 | 1.99** |
α ARCH Response to squared shocks | 0.3402 | 1.74* |
β GARCH Volatility persistence | 0.8009 | 13.98*** |
γ leverage Additional response to negative shocks | -0.2820 | -1.65* |
Persistence:
1.000
Half-life:
1386294 days
Other Cheetah NET Suply CN SER Inc Analyses
Other GJR-GARCH Analyses on Equities