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V-Lab
V-Lab

Goldman Sachs Equal Weight US Large Cap Equity ETF Zero Slope Spline-GARCH Volatility Analysis

Volatility prediction for Wednesday, September 9th, 2026

1 Day

12.25%

increased by 0.34%

1 Week

12.86%

increased by 0.95%

1 Month

14.68%

increased by 2.77%

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 S0GARCH

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

This model fits a time-varying baseline (a spline), so volatility mean-reverts toward a slowly-shifting long-run level rather than a constant. Short-run deviations decay with a half-life of 23 trading days.

τ

Zero Slope Spline-GARCH Model

Tap to view equation

Time-varying baseline: volatility reverts to a slowly-shifting spline trend
ParamValuet-stat
ωconst0.7130
5.10***
αARCH0.1578
6.54***
βGARCH0.8130
33.32***
γi Spline Coefficients
K=1
γ1-0.0081
-2.63***

0.971

Persistence

23d

Half-life
τ

Zero Slope Spline-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.7130
5.10***
α

ARCH

Response to squared shocks

0.1578
6.54***
β

GARCH

Volatility persistence

0.8130
33.32***
γi Spline Coefficients
K=1
γ1-0.0081
-2.63***

Persistence:

0.971

Half-life:

23 days