V-Lab
Tianjin Pengling Rubber Hose Co Ltd GJR-GARCH Volatility Analysis
Volatility prediction for Friday, September 4th, 2026
1 Day
32.98%
decreased by 0.27%
1 Week
35.41%
increased by 2.16%
1 Month
41.59%
increased by 8.34%
Analysis last updated: Friday, September 4, 2026 at 06:26 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 27, 2014 to Aug 28, 2026Model Insight
Volatility shocks decay with a half-life of 13 trading days, meaning a shock loses half its impact after approximately 13 days.
σ
GJR-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.5739 | 3.47*** |
α ARCH Response to squared shocks | 0.1772 | 2.95*** |
β GARCH Volatility persistence | 0.7990 | 26.40*** |
γ leverage Additional response to negative shocks | -0.0573 | -0.69 |
Persistence:
0.948
Half-life:
13 days
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