V-Lab
Russell Midcap Index Asy. MEM Volatility Analysis
Volatility prediction for Friday, August 14th, 2026
1 Day
9.76%
decreased by 0.51%
1 Week
10.32%
increased by 0.05%
1 Month
11.99%
increased by 1.72%
Analysis last updated: Friday, August 14, 2026 at 10:24 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Mar 1, 2004 to Jul 2, 2026Model Insight
This asset exhibits a strong leverage effect: negative returns increase next-day volatility 162% more than equivalent positive returns.
μ
AMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0329 | 31.86*** |
α ARCH Response to squared shocks | 0.1149 | 18.15*** |
β GARCH Volatility persistence | 0.7652 | 186.44*** |
γ leverage Additional response to negative shocks | 0.1857 | 19.56*** |
Persistence:
0.973
Half-life:
25 days
Other Russell Midcap Index Analyses
Other Asy. MEM Analyses on Equity Indices