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V-Lab

FT Wilshire 5000 Index EGARCH Volatility Analysis

Volatility prediction for Friday, July 17th, 2026

1 Day

12.83%

increased by 0.41%

1 Week

13.04%

increased by 0.62%

1 Month

13.75%

increased by 1.33%

Analysis last updated: Sunday, July 19, 2026 at 07:03 AM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of FT Wilshire 5000 Index EGARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jan 1, 1990 to Jan 2, 2026

Model Insight

This asset exhibits a strong leverage effect: volatility responds almost entirely to negative shocks. The ARCH response to positive shocks is negligible.

σ

EGARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.0042
2.09**
α

ARCH

Response to squared shocks

0.1584
39.61***
β

GARCH

Volatility persistence

0.9721
877.34***
γ

leverage

Additional response to negative shocks

-0.1222
-33.99***

Persistence:

0.972

Half-life:

24 days