V-Lab
Sansteel Minguang Co Ltd Fujian GJR-GARCH Volatility Analysis
Volatility prediction for Wednesday, August 5th, 2026
1 Day
35.49%
increased by 0.01%
1 Week
35.84%
increased by 0.36%
1 Month
37.13%
increased by 1.65%
Analysis last updated: Wednesday, August 5, 2026 at 06:18 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 26, 2007 to Jul 31, 2026Model Insight
This asset shows a rare inverse leverage effect: positive returns raise next-day volatility 76% 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 | 0.1050 | 12.53*** |
α ARCH Response to squared shocks | 0.1018 | 17.90*** |
β GARCH Volatility persistence | 0.9092 | 344.39*** |
γ leverage Additional response to negative shocks | -0.0439 | -5.82*** |
Persistence:
0.989
Half-life:
63 days
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