V-Lab
Niki BioSolutions Inc EGARCH Volatility Analysis
Volatility prediction for Monday, September 14th, 2026
1 Day
123.14%
increased by 22.28%
1 Week
129.14%
increased by 28.28%
1 Month
139.39%
increased by 38.53%
Analysis last updated: Friday, September 11, 2026 at 10:06 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Dec 18, 2018 to Sep 11, 2026Model Insight
Volatility shocks decay with a half-life of 4 trading days, meaning a shock loses half its impact after approximately 4 days.
σ
EGARCH Model
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Shock decay: Shocks decay with a 4-day half-life
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.7060 | 4.62*** |
| αARCH | 0.4292 | 6.95*** |
| βGARCH | 0.8410 | 28.19*** |
| γleverage | -0.0253 | -0.36 |
0.841
Persistence4d
Half-lifeσ
EGARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.7060 | 4.62*** |
α ARCH Response to squared shocks | 0.4292 | 6.95*** |
β GARCH Volatility persistence | 0.8410 | 28.19*** |
γ leverage Additional response to negative shocks | -0.0253 | -0.36 |
Persistence:
0.841
Half-life:
4 days
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