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

Volatility prediction for Wednesday, September 9th, 2026

1 Day

11.50%

increased by 0.34%

1 Week

11.91%

increased by 0.75%

1 Month

13.23%

increased by 2.07%

Analysis last updated: Tuesday, September 8, 2026 at 10:20 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

All

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

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Sep 15, 2017 to Sep 4, 2026

Model Insight

Volatility shocks decay with a half-life of 31 trading days, meaning a shock loses half its impact after approximately 31 days.

σ

GARCH Model

Tap to view equation

Shock decay: Shocks decay with a 31-day half-life
ParamValuet-stat
ωconst0.0310
3.67***
αARCH0.1518
6.26***
βGARCH0.8263
35.27***

0.978

Persistence

31d

Half-life
σ

GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.0310
3.67***
α

ARCH

Response to squared shocks

0.1518
6.26***
β

GARCH

Volatility persistence

0.8263
35.27***

Persistence:

0.978

Half-life:

31 days