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V-Lab

Russell 1000 Growth Index EGARCH Volatility Analysis

Volatility prediction for Monday, August 10th, 2026

1 Day

25.15%

decreased by 0.86%

1 Week

24.86%

decreased by 1.15%

1 Month

23.89%

decreased by 2.12%

Analysis last updated: Saturday, August 8, 2026 at 12:04 AM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Russell 1000 Growth Index EGARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

May 12, 2000 to Aug 7, 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

0.0108
3.34***
α

ARCH

Response to squared shocks

0.1497
26.93***
β

GARCH

Volatility persistence

0.9750
785.06***
γ

leverage

Additional response to negative shocks

-0.1243
-24.09***

Persistence:

0.975

Half-life:

27 days