V-Lab
Sable Offshore Corp 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 Wednesday, August 12th, 2026
1 Day
138.51%
increased by 0.13%
1 Week
138.51%
increased by 0.13%
1 Month
138.52%
increased by 0.14%
Analysis last updated: Tuesday, August 11, 2026 at 10:25 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Feb 25, 2021 to Aug 7, 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.
σ
GJR-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0007 | 5.07*** |
α ARCH Response to squared shocks | 0.0774 | 5.02*** |
β GARCH Volatility persistence | 0.9260 | 197.78*** |
γ leverage Additional response to negative shocks | -0.0068 | -0.25 |
Persistence:
1.000
Half-life:
1386294 days
Other Sable Offshore Corp Analyses
Other GJR-GARCH Analyses on Equities