V-Lab
Seshasayee Paper&B GJR-GARCH Volatility Analysis
Volatility prediction for Tuesday, August 25th, 2026
1 Day
33.51%
decreased by 0.67%
1 Week
35.21%
increased by 1.03%
1 Month
40.24%
increased by 6.06%
Analysis last updated: Tuesday, August 25, 2026 at 07:04 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Sep 26, 1995 to Aug 21, 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 | 0.3838 | 16.67*** |
α ARCH Response to squared shocks | 0.0837 | 17.41*** |
β GARCH Volatility persistence | 0.8703 | 227.41*** |
γ leverage Additional response to negative shocks | 0.0272 | 2.68*** |
Persistence:
0.968
Half-life:
21 days
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