V-Lab
RHB Bank Bhd GJR-GARCH Volatility Analysis
Volatility prediction for Monday, July 27th, 2026
1 Day
15.41%
decreased by 0.27%
1 Week
15.62%
decreased by 0.06%
1 Month
16.41%
increased by 0.73%
Analysis last updated: Sunday, July 26, 2026 at 05:16 AM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 1, 1990 to Jul 24, 2026Model Insight
With persistence 0.998, volatility shocks have a half-life of 330 trading days (~1.3 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.
Leverage: Negative returns increase volatility 56% more than positive returns
σ
GJR-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0148 | 14.23*** |
α ARCH Response to squared shocks | 0.0374 | 13.52*** |
β GARCH Volatility persistence | 0.9500 | 482.99*** |
γ leverage Additional response to negative shocks | 0.0209 | 5.18*** |
Persistence:
0.998
Half-life:
330 days
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