V-Lab
Yw Co Ltd MF2-GARCH Volatility Analysis
Volatility prediction for Friday, September 11th, 2026
1 Day
29.57%
increased by 0.18%
1 Week
31.00%
increased by 1.61%
1 Month
33.76%
increased by 4.37%
Analysis last updated: Friday, September 11, 2026 at 08:52 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Apr 11, 2003 to Sep 4, 2026Model Insight
Volatility shocks decay with a half-life of 5 trading days, meaning a shock loses half its impact after approximately 5 days.
σ
MF2-GARCH Model
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Shock decay: Shocks decay with a 5-day half-life
| Param | Value | t-stat |
|---|---|---|
| mwindow | 21 | |
| αARCH | 0.1644 | 5.59*** |
| βGARCH | 0.6945 | 18.19*** |
| γleverage | 0.0072 | 0.18 |
| λ₁tau intercept | 0.0197 | 1.59 |
| λ₂forecast adj. | 0.0336 | 3.25*** |
| λ₃tau persistence | 0.9644 | 88.77*** |
0.862
Persistence5d
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 | 0.1644 | 5.59*** |
β GARCH Volatility persistence | 0.6945 | 18.19*** |
γ leverage Additional response to negative shocks | 0.0072 | 0.18 |
λ₁ tau intercept Baseline long-term coefficient | 0.0197 | 1.59 |
λ₂ forecast adj. Forecast performance sensitivity | 0.0336 | 3.25*** |
λ₃ tau persistence Long-term factor persistence | 0.9644 | 88.77*** |
Persistence:
0.862
Half-life:
5 days
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