V-Lab
Tianjin Pengling Rubber Hose Co Ltd GJR-GARCH Volatility Analysis
Volatility prediction for Tuesday, August 25th, 2026
1 Day
33.56%
decreased by 1.35%
1 Week
35.91%
increased by 1.00%
1 Month
41.91%
increased by 7.00%
Analysis last updated: Tuesday, August 25, 2026 at 06:21 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 27, 2014 to Aug 21, 2026Model Insight
This asset shows a rare inverse leverage effect: positive returns raise next-day volatility 48% more than negative returns. Volatility rises more after gains than after losses, the reverse of the usual leverage effect and uncommon among risky assets.
σ
GJR-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.5764 | 13.91*** |
α ARCH Response to squared shocks | 0.1775 | 11.80*** |
β GARCH Volatility persistence | 0.7986 | 105.30*** |
γ leverage Additional response to negative shocks | -0.0576 | -2.77*** |
Persistence:
0.947
Half-life:
13 days
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