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V-Lab

Russell Midcap Index EGARCH Volatility Analysis

Volatility prediction for Friday, July 17th, 2026

1 Day

11.83%

decreased by 0.52%

1 Week

12.08%

decreased by 0.27%

1 Month

13.01%

increased by 0.66%

Analysis last updated: Friday, July 17, 2026 at 11:34 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

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graph of Russell Midcap Index EGARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Mar 1, 2004 to Jul 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

0.0072
2.86***
α

ARCH

Response to squared shocks

0.1483
35.24***
β

GARCH

Volatility persistence

0.9755
781.06***
γ

leverage

Additional response to negative shocks

-0.1282
-34.08***

Persistence:

0.976

Half-life:

28 days