V-Lab
Guangdong Dtech Tchno Co Ltd MF2-GARCH Volatility Analysis
Volatility prediction for Tuesday, August 25th, 2026
1 Day
87.75%
increased by 4.11%
1 Week
89.57%
increased by 5.93%
1 Month
92.97%
increased by 9.33%
Analysis last updated: Tuesday, August 25, 2026 at 06:29 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Nov 22, 2022 to Aug 21, 2026Model Insight
Volatility shocks decay with a half-life of 4 trading days, meaning a shock loses half its impact after approximately 4 days.
σ
MF2-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
m window Rolling window length | 126 | |
α ARCH Response to squared shocks | 0.1460 | 9.23*** |
β GARCH Volatility persistence | 0.6854 | 29.80*** |
γ leverage Additional response to negative shocks | 0.0400 | 1.23 |
λ₁ tau intercept Baseline long-term coefficient | 0.0625 | 0.58 |
λ₂ forecast adj. Forecast performance sensitivity | 0.0163 | 1.52 |
λ₃ tau persistence Long-term factor persistence | 0.9837 | 71.85*** |
Persistence:
0.851
Half-life:
4 days
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