V-Lab
India NSE Volatility Index GJR-GARCH Volatility Analysis
Volatility prediction for Friday, July 24th, 2026
1 Day
97.35%
decreased by 4.52%
1 Week
96.74%
decreased by 5.13%
1 Month
94.96%
decreased by 6.91%
Analysis last updated: Friday, July 24, 2026 at 11:19 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Mar 3, 2008 to Apr 4, 2025Model Insight
This asset shows a rare inverse leverage effect: positive returns raise next-day volatility 312% 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 | 1.6801 | 13.27*** |
α ARCH Response to squared shocks | 0.1324 | 12.30*** |
β GARCH Volatility persistence | 0.8664 | 142.69*** |
γ leverage Additional response to negative shocks | -0.1003 | -8.02*** |
Persistence:
0.949
Half-life:
13 days
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