V-Lab
NASDAQ Composite Index Asy. MEM Volatility Analysis
Volatility prediction for Thursday, September 10th, 2026
1 Day
12.64%
decreased by 0.26%
1 Week
13.20%
increased by 0.30%
1 Month
14.89%
increased by 1.99%
Analysis last updated: Thursday, September 10, 2026 at 12:12 AM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 1, 1990 to Sep 4, 2026Model Insight
This asset exhibits a notable leverage effect: negative returns increase next-day volatility 83% more than equivalent positive returns.
μ
AMEM Model
Tap to view equation
Leverage: Negative returns increase volatility 83% more than positive returns
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.0488 | 9.09*** |
| αARCH | 0.1561 | 9.26*** |
| βGARCH | 0.7484 | 63.44*** |
| γleverage | 0.1303 | 4.60*** |
0.970
Persistence23d
Half-lifeμ
AMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0488 | 9.09*** |
α ARCH Response to squared shocks | 0.1561 | 9.26*** |
β GARCH Volatility persistence | 0.7484 | 63.44*** |
γ leverage Additional response to negative shocks | 0.1303 | 4.60*** |
Persistence:
0.970
Half-life:
23 days
Other NASDAQ Composite Index Analyses
Other Asy. MEM Analyses on Equity Indices