V-Lab
Guangdong Shunna Electric Co Ltd MF2-GARCH Volatility Analysis
Volatility prediction for Monday, July 27th, 2026
1 Day
98.39%
1 Week
92.55%
1 Month
78.58%
Analysis last updated: Saturday, July 25, 2026 at 11:19 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 3, 1994 to Jul 24, 2026Model Insight
This asset shows a rare inverse leverage effect: positive returns raise next-day volatility 47% more than negative returns. Volatility rises more after gains than after losses, the reverse of the usual leverage effect and uncommon among risky assets.
MF2-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
m window Rolling window length | 56 | |
α ARCH Response to squared shocks | 0.1720 | 32.10*** |
β GARCH Volatility persistence | 0.6954 | 93.45*** |
γ leverage Additional response to negative shocks | -0.0547 | -9.58*** |
λ₁ tau intercept Baseline long-term coefficient | 1.3514 | 2.99*** |
λ₂ forecast adj. Forecast performance sensitivity | 0.8400 | 6.67*** |
λ₃ tau persistence Long-term factor persistence | 0.0344 | 0.21 |
Persistence:
0.840
Half-life:
4 days
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