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V-Lab

iShares Select U.S. REIT ETF GJR-GARCH Volatility Analysis

Volatility prediction for Tuesday, July 21st, 2026

1 Day

15.89%

decreased by 0.50%

1 Week

16.10%

decreased by 0.29%

1 Month

16.83%

increased by 0.44%

Analysis last updated: Monday, July 20, 2026 at 09:20 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of iShares Select U.S. REIT ETF GJR-GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Feb 2, 2001 to Jul 17, 2026

Model Insight

This asset exhibits a strong leverage effect: negative returns increase next-day volatility 160% more than equivalent positive returns.

σ

GJR-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.0278
21.25***
α

ARCH

Response to squared shocks

0.0542
16.55***
β

GARCH

Volatility persistence

0.8879
339.40***
γ

leverage

Additional response to negative shocks

0.0866
12.84***

Persistence:

0.985

Half-life:

47 days