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V-Lab

FT Wilshire 5000 Index Asy. MEM Volatility Analysis

Volatility prediction for Friday, July 17th, 2026

1 Day

11.54%

increased by 0.68%

1 Week

11.86%

increased by 1.00%

1 Month

12.88%

increased by 2.02%

Analysis last updated: Wednesday, September 2, 2026 at 04:38 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of FT Wilshire 5000 Index AMEM

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Mar 31, 2009 to Jul 16, 2026

Model Insight

This asset exhibits a strong leverage effect: negative returns increase next-day volatility 268% more than equivalent positive returns.

μ

AMEM Model

Tap to view equation

Leverage: Negative returns increase volatility 268% more than positive returns
ParamValuet-stat
ωconst0.0323
6.72***
αARCH0.0901
2.59***
βGARCH0.7578
31.96***
γleverage0.2416
5.43***

0.969

Persistence

22d

Half-life
μ

AMEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.0323
6.72***
α

ARCH

Response to squared shocks

0.0901
2.59***
β

GARCH

Volatility persistence

0.7578
31.96***
γ

leverage

Additional response to negative shocks

0.2416
5.43***

Persistence:

0.969

Half-life:

22 days