V-Lab
Dyc Co Ltd GJR-GARCH Volatility Analysis
Volatility prediction for Monday, August 24th, 2026
1 Day
60.01%
increased by 15.25%
1 Week
62.41%
increased by 17.65%
1 Month
70.87%
increased by 26.11%
Analysis last updated: Sunday, August 23, 2026 at 12:44 AM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Dec 20, 2018 to Aug 21, 2026Model Insight
With persistence 0.994, volatility shocks have a half-life of 118 trading days (~0.5 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.
Leverage: Negative returns increase volatility 84% more than positive returns
σ
GJR-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.6691 | 6.17*** |
α ARCH Response to squared shocks | 0.2433 | 7.61*** |
β GARCH Volatility persistence | 0.6486 | 36.20*** |
γ leverage Additional response to negative shocks | 0.2045 | 2.94*** |
Persistence:
0.994
Half-life:
118 days
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