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V-Lab

iShares Russell 2000 ETF GARCH Volatility Analysis

Volatility prediction for Thursday, August 20th, 2026

1 Day

15.41%

decreased by 0.36%

1 Week

15.74%

decreased by 0.03%

1 Month

16.84%

increased by 1.07%

Analysis last updated: Wednesday, August 19, 2026 at 09:38 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of iShares Russell 2000 ETF GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

May 29, 2000 to Aug 14, 2026

Model Insight

Volatility shocks decay with a half-life of 34 trading days, meaning a shock loses half its impact after approximately 34 days.

σ

GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.0395
20.96***
α

ARCH

Response to squared shocks

0.0876
35.93***
β

GARCH

Volatility persistence

0.8925
330.41***

Persistence:

0.980

Half-life:

34 days