V-Lab
Goldman Sachs Equal Weight US Large Cap Equity ETF GJR-GARCH Volatility Analysis
Volatility prediction for Wednesday, September 9th, 2026
1 Day
12.35%
increased by 0.86%
1 Week
12.71%
increased by 1.22%
1 Month
13.89%
increased by 2.40%
Analysis last updated: Tuesday, September 8, 2026 at 10:20 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Sep 15, 2017 to Sep 4, 2026Model Insight
This asset exhibits a strong leverage effect: volatility responds almost entirely to negative shocks. The ARCH response to positive shocks is negligible.
σ
GJR-GARCH Model
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Leverage: volatility responds almost entirely to negative shocks
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.0285 | 4.27*** |
| αARCH | 0.0298 | 1.11 |
| βGARCH | 0.8531 | 41.05*** |
| γleverage | 0.1992 | 3.97*** |
0.982
Persistence39d
Half-lifeσ
GJR-GARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0285 | 4.27*** |
α ARCH Response to squared shocks | 0.0298 | 1.11 |
β GARCH Volatility persistence | 0.8531 | 41.05*** |
γ leverage Additional response to negative shocks | 0.1992 | 3.97*** |
Persistence:
0.982
Half-life:
39 days
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