Shengfeng Development Ltd Asy. MEM Volatility Analysis
Volatility prediction for Monday, July 20th, 2026
1 Day
106.18%
decreased by 7.68%
1 Week
107.00%
decreased by 6.86%
1 Month
109.44%
decreased by 4.42%
Analysis last updated: Friday, July 17, 2026 at 10:24 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Mar 31, 2023 to Jul 17, 2026Model Insight
This asset exhibits a strong leverage effect: negative returns increase next-day volatility 212% more than equivalent positive returns.
μ
AMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 2.3075 | 9.56*** |
α ARCH Response to squared shocks | 0.0928 | 8.60*** |
β GARCH Volatility persistence | 0.7652 | 47.26*** |
γ leverage Additional response to negative shocks | 0.1969 | 6.23*** |
Persistence:
0.956
Half-life:
16 days
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