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Goldman Sachs Equal Weight US Large Cap Equity ETF GJR-GARCH Volatility Analysis

Volatility prediction for Wednesday, September 30th, 2026

1 Day

11.92%

decreased by 0.65%

1 Week

12.29%

decreased by 0.28%

1 Month

13.54%

increased by 0.97%

Analysis last updated: Tuesday, September 29, 2026 at 09:19 PM UTC

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graph of Goldman Sachs Equal Weight US Large Cap Equity ETF GJR-GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Sep 15, 2017 to Sep 25, 2026

Model 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
ParamValuet-stat
ωconst0.0283
4.31***
αARCH0.0299
1.12
βGARCH0.8535
41.21***
γleverage0.1976
4.00***

0.982

Persistence

39d

Half-life
σ

GJR-GARCH Model

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ParameterValuet-statistic
ω

const

Unconditional variance weight

0.0283
4.31***
α

ARCH

Response to squared shocks

0.0299
1.12
β

GARCH

Volatility persistence

0.8535
41.21***
γ

leverage

Additional response to negative shocks

0.1976
4.00***

Persistence:

0.982

Half-life:

39 days