V-Lab
CAR Mate MFG Co Ltd 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, August 24th, 2026
1 Day
19.19%
increased by 0.34%
1 Week
20.25%
increased by 1.40%
1 Month
24.04%
increased by 5.19%
Analysis last updated: Sunday, August 23, 2026 at 12:05 AM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 20, 1995 to Aug 21, 2026Model Insight
Estimated persistence of 1.000 is at or above 1 (non-stationary): volatility shocks do not decay and the long-run variance is undefined, so long-horizon forecasts should be treated with caution.
σ
GJR-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0832 | 13.37*** |
α ARCH Response to squared shocks | 0.0946 | 15.37*** |
β GARCH Volatility persistence | 0.9032 | 310.06*** |
γ leverage Additional response to negative shocks | 0.0044 | 0.49 |
Persistence:
1.000
Half-life:
-
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