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Russell Midcap Index EGARCH Volatility Analysis

Volatility prediction for Friday, October 16th, 2026

1 Day

14.46%

decreased by 0.60%

1 Week

14.63%

decreased by 0.43%

1 Month

15.20%

increased by 0.14%

Analysis last updated: Friday, October 16, 2026 at 11:49 PM UTC

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Date Range:

from

10/15/2024

to

10/15/2026

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

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 Oct 8, 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

Leverage: volatility responds almost entirely to negative shocks
ParamValuet-stat
ωconst0.0068
0.69
αARCH0.1486
8.89***
βGARCH0.9757
197.32***
γleverage-0.1269
-8.47***

0.976

Persistence

28d

Half-life
σ

EGARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.0068
0.69
α

ARCH

Response to squared shocks

0.1486
8.89***
β

GARCH

Volatility persistence

0.9757
197.32***
γ

leverage

Additional response to negative shocks

-0.1269
-8.47***

Persistence:

0.976

Half-life:

28 days