V-Lab
Guangdong Shunna Electric Co Ltd GJR-GARCH Volatility Analysis
Volatility prediction for Monday, July 27th, 2026
1 Day
83.64%
increased by 16.36%
1 Week
82.34%
increased by 15.06%
1 Month
77.80%
increased by 10.52%
Analysis last updated: Saturday, July 25, 2026 at 11:15 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 21% more than negative returns. Volatility rises more after gains than after losses, the reverse of the usual leverage effect and uncommon among risky assets.
σ
GJR-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.3158 | 20.36*** |
α ARCH Response to squared shocks | 0.1334 | 26.15*** |
β GARCH Volatility persistence | 0.8507 | 257.01*** |
γ leverage Additional response to negative shocks | -0.0227 | -2.28** |
Persistence:
0.973
Half-life:
25 days
Other Guangdong Shunna Electric Co Ltd Analyses
Other GJR-GARCH Analyses on International Equities