SEI Select Small CAP ETF GJR-GARCH Volatility Analysis
Volatility prediction for Tuesday, November 10th, 2026
1 Day
27.79%
decreased by 1.12%
1 Week
27.14%
decreased by 1.77%
1 Month
25.27%
decreased by 3.64%
Analysis last updated: Monday, November 9, 2026 at 10:27 PM UTC
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News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Oct 10, 2024 to Nov 6, 2026Model Insight
Volatility shocks decay with a half-life of 11 trading days, meaning a shock loses half its impact after approximately 11 days.
σ
GJR-GARCH Model
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Shock decay: Shocks decay with a 11-day half-life
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.1079 | 0.62 |
| αARCH | 0.0000 | 0.00 |
| βGARCH | 0.8915 | 10.97*** |
| γleverage | 0.0976 | 0.60 |
0.940
Persistence11d
Half-lifeσ
GJR-GARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.1079 | 0.62 |
α ARCH Response to squared shocks | 0.0000 | 0.00 |
β GARCH Volatility persistence | 0.8915 | 10.97*** |
γ leverage Additional response to negative shocks | 0.0976 | 0.60 |
Persistence:
0.940
Half-life:
11 days
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