V-Lab
Zhongchao 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 Tuesday, August 25th, 2026
1 Day
116.11%
decreased by 10.19%
1 Week
120.85%
decreased by 5.45%
1 Month
138.19%
increased by 11.89%
Analysis last updated: Monday, August 24, 2026 at 09:18 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Feb 24, 2020 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 | 2.2286 | 8.05*** |
α ARCH Response to squared shocks | 0.1746 | 11.97*** |
β GARCH Volatility persistence | 0.8096 | 65.26*** |
γ leverage Additional response to negative shocks | 0.0316 | 1.10 |
Persistence:
1.000
Half-life:
-
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