V-Lab
iShares US Real Estate ETF GJR-GARCH Volatility Analysis
Volatility prediction for Wednesday, August 26th, 2026
1 Day
12.15%
decreased by 0.49%
1 Week
12.49%
decreased by 0.15%
1 Month
13.65%
increased by 1.01%
Analysis last updated: Tuesday, August 25, 2026 at 09:39 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jun 16, 2000 to Aug 21, 2026Model Insight
This asset exhibits a strong leverage effect: negative returns increase next-day volatility 187% more than equivalent positive returns.
σ
GJR-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0252 | 21.18*** |
α ARCH Response to squared shocks | 0.0523 | 16.08*** |
β GARCH Volatility persistence | 0.8841 | 337.96*** |
γ leverage Additional response to negative shocks | 0.0981 | 13.95*** |
Persistence:
0.985
Half-life:
47 days
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