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iShares Semiconductor ETF GJR-GARCH Volatility Analysis

Volatility prediction for Tuesday, October 27th, 2026

1 Day

49.12%

decreased by 1.24%

1 Week

48.82%

decreased by 1.54%

1 Month

47.69%

decreased by 2.67%

Analysis last updated: Monday, October 26, 2026 at 09:28 PM UTC

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Date Range:

from

10/26/2024

to

10/26/2026

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of iShares Semiconductor ETF GJR-GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jul 13, 2001 to Oct 23, 2026

Model Insight

This asset exhibits a strong leverage effect: negative returns increase next-day volatility 219% more than equivalent positive returns.

σ

GJR-GARCH Model

Tap to view equation

Leverage: Negative returns increase volatility 219% more than positive returns
ParamValuet-stat
ωconst0.0477
4.01***
αARCH0.0323
2.77***
βGARCH0.9212
105.28***
γleverage0.0707
3.28***

0.989

Persistence

62d

Half-life
σ

GJR-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.0477
4.01***
α

ARCH

Response to squared shocks

0.0323
2.77***
β

GARCH

Volatility persistence

0.9212
105.28***
γ

leverage

Additional response to negative shocks

0.0707
3.28***

Persistence:

0.989

Half-life:

62 days