iShares Russell 2000 ETF Asy. MEM Volatility Analysis
Volatility prediction for Wednesday, July 22nd, 2026
1 Day
16.71%
decreased by 0.69%
1 Week
17.03%
decreased by 0.37%
1 Month
18.09%
increased by 0.69%
Analysis last updated: Tuesday, July 21, 2026 at 09:45 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
May 29, 2000 to Jul 17, 2026Model Insight
This asset exhibits a strong leverage effect: negative returns increase next-day volatility 139% more than equivalent positive returns.
μ
AMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0499 | 28.52*** |
α ARCH Response to squared shocks | 0.1045 | 29.52*** |
β GARCH Volatility persistence | 0.7979 | 295.29*** |
γ leverage Additional response to negative shocks | 0.1452 | 20.70*** |
Persistence:
0.975
Half-life:
27 days
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