V-Lab
PowerBank Corp EGARCH Volatility Analysis
Volatility prediction for Monday, August 17th, 2026
1 Day
77.06%
decreased by 8.42%
1 Week
83.23%
decreased by 2.25%
1 Month
96.51%
increased by 11.03%
Analysis last updated: Friday, August 14, 2026 at 09:58 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Apr 8, 2024 to Aug 14, 2026Model Insight
This asset shows a rare inverse leverage effect: positive returns raise next-day volatility 62% more than negative returns. Volatility rises more after gains than after losses, the reverse of the usual leverage effect and uncommon among risky assets.
σ
EGARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.4795 | 5.61*** |
α ARCH Response to squared shocks | 0.3561 | 9.94*** |
β GARCH Volatility persistence | 0.8750 | 38.44*** |
γ leverage Additional response to negative shocks | 0.0843 | 6.32*** |
Persistence:
0.875
Half-life:
5 days
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