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Russell 1000 Growth Index Asy. MEM Volatility Analysis

Volatility prediction for Tuesday, October 13th, 2026

1 Day

13.37%

decreased by 0.48%

1 Week

13.62%

decreased by 0.23%

1 Month

14.48%

increased by 0.63%

Analysis last updated: Tuesday, October 13, 2026 at 09:10 AM UTC

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Date Range:

from

10/12/2024

to

10/12/2026

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Russell 1000 Growth Index AMEM

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

May 12, 2000 to Oct 9, 2026

Model Insight

This asset exhibits a strong leverage effect: negative returns increase next-day volatility 189% more than equivalent positive returns.

μ

AMEM Model

Tap to view equation

Leverage: Negative returns increase volatility 189% more than positive returns
ParamValuet-stat
ωconst0.0285
7.04***
αARCH0.0933
4.16***
βGARCH0.7981
62.44***
γleverage0.1762
5.36***

0.980

Persistence

33d

Half-life
μ

AMEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.0285
7.04***
α

ARCH

Response to squared shocks

0.0933
4.16***
β

GARCH

Volatility persistence

0.7981
62.44***
γ

leverage

Additional response to negative shocks

0.1762
5.36***

Persistence:

0.980

Half-life:

33 days