V-Lab
Oslo Stock Exchange All Share Index EGARCH Volatility Analysis
Volatility prediction for Friday, September 18th, 2026
1 Day
9.27%
increased by 0.04%
1 Week
9.82%
increased by 0.59%
1 Month
11.87%
increased by 2.64%
Analysis last updated: Friday, September 18, 2026 at 06:03 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 1, 1990 to Sep 17, 2026Model Insight
This asset exhibits a strong leverage effect: negative returns increase next-day volatility 113% more than equivalent positive returns.
σ
EGARCH Model
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Leverage: Negative returns increase volatility 113% more than positive returns
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.0176 | 2.01** |
| αARCH | 0.2038 | 9.12*** |
| βGARCH | 0.9622 | 119.16*** |
| γleverage | -0.0734 | -5.20*** |
0.962
Persistence18d
Half-lifeσ
EGARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0176 | 2.01** |
α ARCH Response to squared shocks | 0.2038 | 9.12*** |
β GARCH Volatility persistence | 0.9622 | 119.16*** |
γ leverage Additional response to negative shocks | -0.0734 | -5.20*** |
Persistence:
0.962
Half-life:
18 days
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