V-Lab
iShares US Real Estate ETF MEM Volatility Analysis
Volatility prediction for Tuesday, September 8th, 2026
1 Day
11.68%
decreased by 0.20%
1 Week
12.27%
increased by 0.39%
1 Month
14.10%
increased by 2.22%
Analysis last updated: Friday, September 4, 2026 at 10:33 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jun 19, 2000 to Sep 4, 2026Model Insight
Volatility shocks decay with a half-life of 31 trading days, meaning a shock loses half its impact after approximately 31 days.
μ
MEM Model
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Shock decay: Shocks decay with a 31-day half-life
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.0402 | 1.90* |
| αARCH | 0.2309 | 10.71*** |
| βGARCH | 0.7473 | 51.34*** |
0.978
Persistence31d
Half-lifeμ
MEM Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0402 | 1.90* |
α ARCH Response to squared shocks | 0.2309 | 10.71*** |
β GARCH Volatility persistence | 0.7473 | 51.34*** |
Persistence:
0.978
Half-life:
31 days
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