V-Lab
Tianjin Pengling Rubber Hose Co Ltd GAS-GARCH Student T Volatility Analysis
Volatility prediction for Friday, September 4th, 2026
1 Day
31.59%
increased by 0.60%
1 Week
33.26%
increased by 2.27%
1 Month
38.43%
increased by 7.44%
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 28 trading days, meaning a shock loses half its impact after approximately 28 days. Returns follow a Student-t distribution with v = 4.87 degrees of freedom, capturing fatter tails than a normal distribution.
𝑓
GAS-GARCH-T Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 13.0769 | 1.11 |
α ARCH Response to squared shocks | 0.1217 | 6.34*** |
β GARCH Volatility persistence | 0.9758 | 43.02*** |
ν DF Student-t tail thickness | 4.8660 | 2.11** |
Persistence:
0.976
Half-life:
28 days
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