V-Lab
CH Biotech R&D Co Ltd GJR-GARCH Volatility Analysis
Volatility prediction for Wednesday, August 5th, 2026
1 Day
28.37%
increased by 2.16%
1 Week
30.60%
increased by 4.39%
1 Month
36.28%
increased by 10.07%
Analysis last updated: Wednesday, August 5, 2026 at 08:25 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jul 2, 2015 to Jul 31, 2026Model Insight
This asset shows a rare inverse leverage effect: positive returns raise next-day volatility 199% 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 | 0.4374 | 11.25*** |
α ARCH Response to squared shocks | 0.2311 | 10.32*** |
β GARCH Volatility persistence | 0.7947 | 70.87*** |
γ leverage Additional response to negative shocks | -0.1537 | -6.00*** |
Persistence:
0.949
Half-life:
13 days
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