V-Lab
Founder Securities Co Ltd GJR-GARCH Volatility Analysis
Volatility prediction for Monday, July 27th, 2026
1 Day
29.13%
decreased by 0.54%
1 Week
29.53%
decreased by 0.14%
1 Month
30.93%
increased by 1.26%
Analysis last updated: Saturday, July 25, 2026 at 10:33 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Aug 10, 2011 to Jul 24, 2026Model Insight
This asset shows a rare inverse leverage effect: positive returns raise next-day volatility 54% 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 | 0.1049 | 13.84*** |
α ARCH Response to squared shocks | 0.0893 | 17.20*** |
β GARCH Volatility persistence | 0.9093 | 244.50*** |
γ leverage Additional response to negative shocks | -0.0312 | -3.80*** |
Persistence:
0.983
Half-life:
40 days
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