V-Lab
iShares US Real Estate ETF GARCH Volatility Analysis
Volatility prediction for Wednesday, September 9th, 2026
1 Day
12.05%
decreased by 0.57%
1 Week
12.39%
decreased by 0.23%
1 Month
13.55%
increased by 0.93%
Analysis last updated: Tuesday, September 8, 2026 at 10:39 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jun 16, 2000 to Sep 4, 2026Model Insight
Volatility shocks decay with a half-life of 55 trading days, meaning a shock loses half its impact after approximately 55 days.
σ
GARCH Model
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Shock decay: Shocks decay with a 55-day half-life
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.0236 | 4.84*** |
| αARCH | 0.1134 | 9.85*** |
| βGARCH | 0.8740 | 72.77*** |
0.987
Persistence55d
Half-lifeσ
GARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0236 | 4.84*** |
α ARCH Response to squared shocks | 0.1134 | 9.85*** |
β GARCH Volatility persistence | 0.8740 | 72.77*** |
Persistence:
0.987
Half-life:
55 days
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