V-Lab
Niki BioSolutions Inc EGARCH Volatility Analysis
Volatility prediction for Thursday, August 6th, 2026
1 Day
109.83%
decreased by 2.55%
1 Week
119.35%
increased by 6.97%
1 Month
136.69%
increased by 24.31%
Analysis last updated: Wednesday, August 5, 2026 at 09:11 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Dec 18, 2018 to Jul 31, 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
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.6955 | 18.11*** |
α ARCH Response to squared shocks | 0.4305 | 27.90*** |
β GARCH Volatility persistence | 0.8445 | 113.88*** |
γ leverage Additional response to negative shocks | -0.0288 | -1.66* |
Persistence:
0.845
Half-life:
4 days
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