V-Lab
iShares Core US REIT ETF GJR-GARCH Volatility Analysis
Volatility prediction for Monday, July 27th, 2026
1 Day
15.24%
increased by 0.71%
1 Week
15.38%
increased by 0.85%
1 Month
15.87%
increased by 1.34%
Analysis last updated: Friday, July 24, 2026 at 10:52 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Nov 3, 2016 to Jul 24, 2026Model Insight
This asset exhibits a strong leverage effect: negative returns increase next-day volatility 302% more than equivalent positive returns.
σ
GJR-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0274 | 10.42*** |
α ARCH Response to squared shocks | 0.0286 | 7.13*** |
β GARCH Volatility persistence | 0.9082 | 223.42*** |
γ leverage Additional response to negative shocks | 0.0862 | 8.72*** |
Persistence:
0.980
Half-life:
34 days
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