V-Lab
Guangdong Tianyu Semiconductor Co Ltd MF2-GARCH Volatility Analysis
Volatility prediction for Tuesday, August 25th, 2026
1 Day
22.68%
increased by 12.53%
1 Week
21.14%
increased by 10.99%
1 Month
16.68%
increased by 6.53%
Analysis last updated: Tuesday, August 25, 2026 at 06:45 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Dec 5, 2025 to Aug 21, 2026Model Insight
Volatility shocks decay with a half-life of 1 trading day, meaning a shock loses half its impact after approximately 1 day.
σ
MF2-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
m window Rolling window length | 21 | |
α ARCH Response to squared shocks | 0.4286 | |
β GARCH Volatility persistence | 0.0972 | |
γ leverage Additional response to negative shocks | -0.4279 | |
λ₁ tau intercept Baseline long-term coefficient | 0.0107 | |
λ₂ forecast adj. Forecast performance sensitivity | 0.0010 | |
λ₃ tau persistence Long-term factor persistence | 0.0016 |
Persistence:
0.312
Half-life:
1 days
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