V-Lab
Ishares Core Equity ETF PTF Asy. MEM Volatility Analysis
Volatility prediction for Wednesday, August 5th, 2026
1 Day
12.87%
decreased by 0.03%
1 Week
13.14%
increased by 0.24%
1 Month
13.80%
increased by 0.90%
Analysis last updated: Wednesday, August 5, 2026 at 09:20 AM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Aug 13, 2019 to Jul 31, 2026Model Insight
This asset exhibits a strong leverage effect: negative returns increase next-day volatility 158% more than equivalent positive returns.
μ
AMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0626 | 15.53*** |
α ARCH Response to squared shocks | 0.1440 | 11.95*** |
β GARCH Volatility persistence | 0.6694 | 68.60*** |
γ leverage Additional response to negative shocks | 0.2281 | 8.41*** |
Persistence:
0.927
Half-life:
9 days
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