CBOE Silver ETF Volatility Index GJR-GARCH Volatility Analysis
Inactive
Last recorded values (Monday, February 14th, 2022):
1 Day
101.46%
1 Week
94.55%
1 Month
84.61%
Analysis last updated: Wednesday, September 2, 2026 at 03:47 PM UTC
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News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Mar 16, 2011 to Feb 11, 2022Boundary Parameters
Model Insight
Volatility shocks decay with a half-life of 3 trading days, meaning a shock loses half its impact after approximately 3 days.
σ
GJR-GARCH Model
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Shock decay: Shocks decay with a 3-day half-life
| Param | Value | t-stat |
|---|---|---|
| ωconst | 5.0000 | 3.43*** |
| αARCH | 0.2025 | 1.79* |
| βGARCH | 0.6626 | 7.86*** |
| γleverage | -0.1362 | -0.94 |
0.797
Persistence3d
Half-lifeσ
GJR-GARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 5.0000 | 3.43*** |
α ARCH Response to squared shocks | 0.2025 | 1.79* |
β GARCH Volatility persistence | 0.6626 | 7.86*** |
γ leverage Additional response to negative shocks | -0.1362 | -0.94 |
Persistence:
0.797
Half-life:
3 days
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