V-Lab
Reliance Industries Ltd GJR-GARCH Volatility Analysis
Volatility prediction for Monday, September 21st, 2026
1 Day
22.85%
increased by 0.65%
1 Week
23.67%
increased by 1.47%
1 Month
26.49%
increased by 4.29%
Analysis last updated: Saturday, September 19, 2026 at 10:05 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 1, 1990 to Sep 18, 2026Model Insight
Volatility shocks decay with a half-life of 66 trading days, meaning a shock loses half its impact after approximately 66 days.
σ
GJR-GARCH Model
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Shock decay: Shocks decay with a 66-day half-life
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.0979 | 4.24*** |
| αARCH | 0.0907 | 3.50*** |
| βGARCH | 0.8819 | 61.35*** |
| γleverage | 0.0338 | 0.87 |
0.989
Persistence66d
Half-lifeσ
GJR-GARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0979 | 4.24*** |
α ARCH Response to squared shocks | 0.0907 | 3.50*** |
β GARCH Volatility persistence | 0.8819 | 61.35*** |
γ leverage Additional response to negative shocks | 0.0338 | 0.87 |
Persistence:
0.989
Half-life:
66 days
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