Skip to main content
V-Lab
V-Lab

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

Volatility prediction for Wednesday, September 9th, 2026

1 Day

10.01%

increased by 0.12%

1 Week

10.77%

increased by 0.88%

1 Month

13.29%

increased by 3.40%

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 MEM

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

With persistence 0.993, volatility shocks have a half-life of 103 trading days (~0.4 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.

μ

MEM Model

Tap to view equation

High persistence: persistence 0.993, shock half-life ~103 days
ParamValuet-stat
ωconst0.0342
1.19
αARCH0.3341
6.10***
βGARCH0.6592
22.94***

0.993

Persistence

103d

Half-life
μ

MEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.0342
1.19
α

ARCH

Response to squared shocks

0.3341
6.10***
β

GARCH

Volatility persistence

0.6592
22.94***

Persistence:

0.993

Half-life:

103 days