V-Lab
CH Biotech R&D Co Ltd MF2-GARCH Volatility Analysis
Volatility prediction for Wednesday, October 7th, 2026
1 Day
29.52%
1 Week
29.55%
1 Month
30.24%
Analysis last updated: Wednesday, October 7, 2026 at 08:40 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jul 2, 2015 to Oct 2, 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 | 46 | |
| αARCH | 0.3165 | 4.02*** |
| βGARCH | 0.5252 | 6.60*** |
| γleverage | -0.2649 | -3.37*** |
| λ₁tau intercept | 1.8910 | 1.78* |
| λ₂forecast adj. | 0.6685 | 2.49** |
| λ₃tau persistence | 0.0502 | 0.14 |
0.709
Persistence2d
Half-lifeMF2-GARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
m window Rolling window length | 46 | |
α ARCH Response to squared shocks | 0.3165 | 4.02*** |
β GARCH Volatility persistence | 0.5252 | 6.60*** |
γ leverage Additional response to negative shocks | -0.2649 | -3.37*** |
λ₁ tau intercept Baseline long-term coefficient | 1.8910 | 1.78* |
λ₂ forecast adj. Forecast performance sensitivity | 0.6685 | 2.49** |
λ₃ tau persistence Long-term factor persistence | 0.0502 | 0.14 |
Persistence:
0.709
Half-life:
2 days
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