V-Lab
Seshasayee Paper&B EGARCH Volatility Analysis
Volatility prediction for Monday, August 17th, 2026
1 Day
37.67%
decreased by 0.45%
1 Week
39.06%
increased by 0.94%
1 Month
43.88%
increased by 5.76%
Analysis last updated: Saturday, August 15, 2026 at 09:50 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Sep 26, 1995 to Aug 14, 2026Model Insight
Volatility shocks decay with a half-life of 18 trading days, meaning a shock loses half its impact after approximately 18 days.
σ
EGARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.1031 | 19.57*** |
α ARCH Response to squared shocks | 0.1944 | 38.59*** |
β GARCH Volatility persistence | 0.9617 | 487.19*** |
γ leverage Additional response to negative shocks | 0.0015 | 0.35 |
Persistence:
0.962
Half-life:
18 days
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