Skip to main content
V-Lab
V-Lab

iShares Russell 2000 ETF AGARCH Volatility Analysis

Volatility prediction for Wednesday, September 9th, 2026

1 Day

16.75%

increased by 0.17%

1 Week

17.19%

increased by 0.61%

1 Month

18.56%

increased by 1.98%

Analysis last updated: Tuesday, September 8, 2026 at 10:39 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of iShares Russell 2000 ETF AGARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

May 29, 2000 to Sep 4, 2026

Model Insight

The news-impact curve is shifted (γ = 0.90) so that negative returns raise next-day volatility more than positive returns of the same size. The gap is largest for small shocks and narrows for larger ones.

σ

AGARCH Model

Tap to view equation

Asymmetry: negative returns raise volatility more
ParamValuet-stat
ωconst0.0000
0.00
αARCH0.0859
10.49***
βGARCH0.8797
94.08***
γleverage0.8999
8.30***

0.966

Persistence

20d

Half-life
σ

AGARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.0000
0.00
α

ARCH

Response to squared shocks

0.0859
10.49***
β

GARCH

Volatility persistence

0.8797
94.08***
γ

leverage

Additional response to negative shocks

0.8999
8.30***

Persistence:

0.966

Half-life:

20 days