V-Lab
Seshasayee Paper&B GJR-GARCH Volatility Analysis
Volatility prediction for Friday, July 24th, 2026
1 Day
39.71%
increased by 3.51%
1 Week
40.82%
increased by 4.62%
1 Month
44.24%
increased by 8.04%
Analysis last updated: Friday, July 24, 2026 at 07:08 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Sep 26, 1995 to Jul 17, 2026Model Insight
This asset exhibits a modest leverage effect: negative returns increase next-day volatility 33% more than equivalent positive returns.
σ
GJR-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.3873 | 16.62*** |
α ARCH Response to squared shocks | 0.0839 | 17.33*** |
β GARCH Volatility persistence | 0.8698 | 225.87*** |
γ leverage Additional response to negative shocks | 0.0275 | 2.69*** |
Persistence:
0.967
Half-life:
21 days
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