V-Lab
Russell 2000 Index EGARCH Volatility Analysis
Volatility prediction for Monday, September 14th, 2026
1 Day
18.14%
decreased by 0.94%
1 Week
18.22%
decreased by 0.86%
1 Month
18.50%
decreased by 0.58%
Analysis last updated: Saturday, September 12, 2026 at 12:55 AM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 1, 1990 to Sep 11, 2026Model Insight
This asset exhibits a strong leverage effect: negative returns increase next-day volatility 228% more than equivalent positive returns.
σ
EGARCH Model
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Leverage: Negative returns increase volatility 228% more than positive returns
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.0102 | 1.82* |
| αARCH | 0.1655 | 11.22*** |
| βGARCH | 0.9782 | 302.75*** |
| γleverage | -0.0881 | -8.01*** |
0.978
Persistence31d
Half-lifeσ
EGARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0102 | 1.82* |
α ARCH Response to squared shocks | 0.1655 | 11.22*** |
β GARCH Volatility persistence | 0.9782 | 302.75*** |
γ leverage Additional response to negative shocks | -0.0881 | -8.01*** |
Persistence:
0.978
Half-life:
31 days
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