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V-Lab

Russell 1000 Growth Index MF2-GARCH Volatility Analysis

Volatility prediction for Monday, August 17th, 2026

1 Day

22.84%

decreased by 1.28%

1 Week

22.74%

decreased by 1.38%

1 Month

22.60%

decreased by 1.52%

Analysis last updated: Saturday, August 15, 2026 at 12:08 AM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

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graph of Russell 1000 Growth Index MF2-GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

May 12, 2000 to Aug 14, 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

MF2-GARCH Model

Tap to view equation

ParameterValuet-statistic
m

window

Rolling window length

61
α

ARCH

Response to squared shocks

0.0000
0.00
β

GARCH

Volatility persistence

0.8485
244.26***
γ

leverage

Additional response to negative shocks

0.1926
45.54***
λ₁

tau intercept

Baseline long-term coefficient

0.0119
6.36***
λ₂

forecast adj.

Forecast performance sensitivity

0.0723
7.38***
λ₃

tau persistence

Long-term factor persistence

0.9182
84.96***

Persistence:

0.945

Half-life:

12 days