Shengfeng Development Ltd GJR-GARCH Volatility Analysis
Volatility prediction for Wednesday, July 22nd, 2026
1 Day
111.28%
decreased by 0.68%
1 Week
113.13%
increased by 1.17%
1 Month
117.46%
increased by 5.50%
Analysis last updated: Tuesday, July 21, 2026 at 09:33 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
Volatility shocks decay with a half-life of 8 trading days, meaning a shock loses half its impact after approximately 8 days.
σ
GJR-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 5.0000 | 4.77*** |
α ARCH Response to squared shocks | 0.1191 | 3.66*** |
β GARCH Volatility persistence | 0.7831 | 34.11*** |
γ leverage Additional response to negative shocks | 0.0286 | 0.40 |
Persistence:
0.917
Half-life:
8 days
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