V-Lab
Tianjin Pengling Rubber Hose Co Ltd GARCH Volatility Analysis
Volatility prediction for Tuesday, September 8th, 2026
1 Day
30.68%
decreased by 0.81%
1 Week
33.71%
increased by 2.22%
1 Month
41.06%
increased by 9.57%
Analysis last updated: Tuesday, September 8, 2026 at 07:52 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 27, 2014 to Sep 4, 2026Model Insight
Volatility shocks decay with a half-life of 12 trading days, meaning a shock loses half its impact after approximately 12 days.
σ
GARCH Model
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Shock decay: Shocks decay with a 12-day half-life
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.6144 | 3.87*** |
| αARCH | 0.1611 | 5.91*** |
| βGARCH | 0.7838 | 24.06*** |
0.945
Persistence12d
Half-lifeσ
GARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.6144 | 3.87*** |
α ARCH Response to squared shocks | 0.1611 | 5.91*** |
β GARCH Volatility persistence | 0.7838 | 24.06*** |
Persistence:
0.945
Half-life:
12 days
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