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V-Lab

Russell 1000 Value Index EGARCH Volatility Analysis

Volatility prediction for Tuesday, September 8th, 2026

1 Day

10.97%

increased by 1.21%

1 Week

11.21%

increased by 1.45%

1 Month

12.07%

increased by 2.31%

Analysis last updated: Saturday, September 5, 2026 at 12:05 AM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Russell 1000 Value Index EGARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

May 12, 2000 to Sep 4, 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

0.0028
0.22
α

ARCH

Response to squared shocks

0.1471
7.78***
β

GARCH

Volatility persistence

0.9746
171.56***
γ

leverage

Additional response to negative shocks

-0.1386
-9.14***

Persistence:

0.975

Half-life:

27 days