V-Lab
Tianjin Pengling Rubber Hose Co Ltd MF2-GARCH Volatility Analysis
Volatility prediction for Monday, September 21st, 2026
1 Day
33.31%
decreased by 0.93%
1 Week
35.82%
increased by 1.58%
1 Month
41.95%
increased by 7.71%
Analysis last updated: Saturday, September 19, 2026 at 07:57 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 27, 2014 to Sep 18, 2026Model Insight
Volatility shocks decay with a half-life of 9 trading days, meaning a shock loses half its impact after approximately 9 days.
σ
MF2-GARCH Model
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Shock decay: Shocks decay with a 9-day half-life
| Param | Value | t-stat |
|---|---|---|
| mwindow | 106 | |
| αARCH | 0.1746 | 4.03*** |
| βGARCH | 0.7838 | 24.67*** |
| γleverage | -0.0577 | -1.14 |
| λ₁tau intercept | 5.2266 | 0.61 |
| λ₂forecast adj. | 0.3795 | 0.80 |
| λ₃tau persistence | 0.1071 | 0.09 |
0.930
Persistence9d
Half-lifeσ
MF2-GARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
m window Rolling window length | 106 | |
α ARCH Response to squared shocks | 0.1746 | 4.03*** |
β GARCH Volatility persistence | 0.7838 | 24.67*** |
γ leverage Additional response to negative shocks | -0.0577 | -1.14 |
λ₁ tau intercept Baseline long-term coefficient | 5.2266 | 0.61 |
λ₂ forecast adj. Forecast performance sensitivity | 0.3795 | 0.80 |
λ₃ tau persistence Long-term factor persistence | 0.1071 | 0.09 |
Persistence:
0.930
Half-life:
9 days
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