Skip to main content
V-Lab
V-Lab

Russell 2000 Index MEM Volatility Analysis

Volatility prediction for Thursday, September 10th, 2026

1 Day

12.40%

increased by 0.83%

1 Week

12.85%

increased by 1.28%

1 Month

14.38%

increased by 2.81%

Analysis last updated: Thursday, September 10, 2026 at 12:13 AM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Russell 2000 Index MEM

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jan 1, 1990 to Sep 4, 2026

Model Insight

Volatility shocks decay with a half-life of 56 trading days, meaning a shock loses half its impact after approximately 56 days.

μ

MEM Model

Tap to view equation

Shock decay: Shocks decay with a 56-day half-life
ParamValuet-stat
ωconst0.0303
2.88***
αARCH0.2227
14.63***
βGARCH0.7649
63.58***

0.988

Persistence

56d

Half-life
μ

MEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.0303
2.88***
α

ARCH

Response to squared shocks

0.2227
14.63***
β

GARCH

Volatility persistence

0.7649
63.58***

Persistence:

0.988

Half-life:

56 days