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V-Lab

Russell Midcap Index Asy. MEM Volatility Analysis

Volatility prediction for Friday, August 14th, 2026

1 Day

9.76%

decreased by 0.51%

1 Week

10.32%

increased by 0.05%

1 Month

11.99%

increased by 1.72%

Analysis last updated: Friday, August 14, 2026 at 10:24 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Russell Midcap Index AMEM

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Mar 1, 2004 to Jul 2, 2026

Model Insight

This asset exhibits a strong leverage effect: negative returns increase next-day volatility 162% more than equivalent positive returns.

μ

AMEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.0329
31.86***
α

ARCH

Response to squared shocks

0.1149
18.15***
β

GARCH

Volatility persistence

0.7652
186.44***
γ

leverage

Additional response to negative shocks

0.1857
19.56***

Persistence:

0.973

Half-life:

25 days