Shengfeng Development Ltd MF2-GARCH Volatility Analysis
Volatility prediction for Friday, October 23rd, 2026
1 Day
88.21%
1 Week
91.35%
1 Month
93.36%
Analysis last updated: Thursday, October 22, 2026 at 09:28 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Mar 31, 2023 to Oct 19, 2026Model Insight
This asset shows a rare inverse leverage effect: volatility responds almost entirely to positive returns, rising far more after gains than after losses. This is the reverse of the usual leverage effect, rare among risky assets.
MF2-GARCH Model
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| Param | Value | t-stat |
|---|---|---|
| mwindow | 121 | |
| αARCH | 0.1183 | 2.70*** |
| βGARCH | 0.0000 | 0.00 |
| γleverage | -0.1183 | -2.66*** |
| λ₁tau intercept | 7.9190 | 2.34** |
| λ₂forecast adj. | 0.6377 | 5.11*** |
| λ₃tau persistence | 0.0000 | 0.00 |
0.059
Persistence0d
Half-lifeMF2-GARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
m window Rolling window length | 121 | |
α ARCH Response to squared shocks | 0.1183 | 2.70*** |
β GARCH Volatility persistence | 0.0000 | 0.00 |
γ leverage Additional response to negative shocks | -0.1183 | -2.66*** |
λ₁ tau intercept Baseline long-term coefficient | 7.9190 | 2.34** |
λ₂ forecast adj. Forecast performance sensitivity | 0.6377 | 5.11*** |
λ₃ tau persistence Long-term factor persistence | 0.0000 | 0.00 |
Persistence:
0.059
Half-life:
0 days
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