V-Lab
Zhejiang Walrus New Material Co Ltd MF2-GARCH Volatility Analysis
Volatility prediction for Tuesday, September 8th, 2026
1 Day
35.36%
decreased by 0.97%
1 Week
38.32%
increased by 1.99%
1 Month
40.52%
increased by 4.19%
Analysis last updated: Tuesday, September 8, 2026 at 07:50 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Oct 8, 2020 to Sep 4, 2026Model Insight
Volatility shocks decay with a half-life of 3 trading days, meaning a shock loses half its impact after approximately 3 days.
σ
MF2-GARCH Model
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Shock decay: Shocks decay with a 3-day half-life
| Param | Value | t-stat |
|---|---|---|
| mwindow | 21 | |
| αARCH | 0.0667 | 1.81* |
| βGARCH | 0.6773 | 6.91*** |
| γleverage | 0.0639 | 1.54 |
| λ₁tau intercept | 4.5225 | 1.36 |
| λ₂forecast adj. | 0.4206 | 1.41 |
| λ₃tau persistence | 0.0000 | 0.00 |
0.776
Persistence3d
Half-lifeσ
MF2-GARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
m window Rolling window length | 21 | |
α ARCH Response to squared shocks | 0.0667 | 1.81* |
β GARCH Volatility persistence | 0.6773 | 6.91*** |
γ leverage Additional response to negative shocks | 0.0639 | 1.54 |
λ₁ tau intercept Baseline long-term coefficient | 4.5225 | 1.36 |
λ₂ forecast adj. Forecast performance sensitivity | 0.4206 | 1.41 |
λ₃ tau persistence Long-term factor persistence | 0.0000 | 0.00 |
Persistence:
0.776
Half-life:
3 days
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