Sansteel Minguang Co Ltd Fujian GJR-GARCH Volatility Analysis
Volatility prediction for Tuesday, July 14th, 2026
1 Day
33.05%
decreased by 0.16%
1 Week
33.48%
increased by 0.27%
1 Month
35.05%
increased by 1.84%
Analysis last updated: Tuesday, July 14, 2026 at 06:11 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 26, 2007 to Jul 10, 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 | 0.1054 | 12.53*** |
α ARCH Response to squared shocks | 0.1022 | 17.91*** |
β GARCH Volatility persistence | 0.9090 | 343.26*** |
γ leverage Additional response to negative shocks | -0.0441 | -5.84*** |
Persistence:
0.989
Half-life:
63 days
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