V-Lab
Tianjin Pengling Rubber Hose Co Ltd GAS-GARCH Student T Volatility Analysis
Volatility prediction for Tuesday, August 25th, 2026
1 Day
32.44%
decreased by 2.44%
1 Week
34.04%
decreased by 0.84%
1 Month
39.01%
increased by 4.13%
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
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 = 4.86 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 | 13.1120 | 4.44*** |
α ARCH Response to squared shocks | 0.1220 | 25.38*** |
β GARCH Volatility persistence | 0.9758 | 171.59*** |
ν DF Student-t tail thickness | 4.8558 | 8.48*** |
Persistence:
0.976
Half-life:
28 days
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