Skip to main content
V-Lab
V-Lab

Russell 1000 Growth Index MEM Volatility Analysis

Volatility prediction for Monday, November 2nd, 2026

1 Day

20.04%

increased by 2.26%

1 Week

20.10%

increased by 2.32%

1 Month

20.32%

increased by 2.54%

Analysis last updated: Saturday, October 31, 2026 at 08:56 AM UTC

Press Delete or Backspace to remove this series.
Date Range:

from

10/30/2024

to

10/30/2026

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Russell 1000 Growth Index MEM

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

May 12, 2000 to Oct 30, 2026

Model Insight

Volatility shocks decay with a half-life of 44 trading days, meaning a shock loses half its impact after approximately 44 days.

μ

MEM Model

Tap to view equation

Shock decay: Shocks decay with a 44-day half-life
ParamValuet-stat
ωconst0.0300
2.23**
αARCH0.2314
12.14***
βGARCH0.7528
60.68***

0.984

Persistence

44d

Half-life
μ

MEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.0300
2.23**
α

ARCH

Response to squared shocks

0.2314
12.14***
β

GARCH

Volatility persistence

0.7528
60.68***

Persistence:

0.984

Half-life:

44 days