National Stock Exchange CNX Nifty Index EGARCH Volatility Analysis
Volatility prediction for Wednesday, July 15th, 2026
1 Day
14.79%
increased by 0.32%
1 Week
15.09%
increased by 0.62%
1 Month
16.24%
increased by 1.77%
Analysis last updated: Tuesday, July 14, 2026 at 02:03 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jul 2, 1990 to Jul 10, 2026Model Insight
This asset exhibits a notable leverage effect: negative returns increase next-day volatility 65% more than equivalent positive returns.
σ
EGARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0178 | 16.93*** |
α ARCH Response to squared shocks | 0.2158 | 42.31*** |
β GARCH Volatility persistence | 0.9824 | 1,196.57*** |
γ leverage Additional response to negative shocks | -0.0530 | -13.16*** |
Persistence:
0.982
Half-life:
39 days
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