V-Lab
NextBoat Inc EGARCH Volatility Analysis
Volatility prediction for Wednesday, August 12th, 2026
1 Day
80.22%
decreased by 4.60%
1 Week
83.78%
decreased by 1.04%
1 Month
88.44%
increased by 3.62%
Analysis last updated: Tuesday, August 11, 2026 at 10:28 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Nov 13, 2025 to Aug 7, 2026Model Insight
This asset shows a rare inverse leverage effect: volatility responds almost entirely to positive returns, rising far more after gains than after losses. This is the reverse of the usual leverage effect, rare among risky assets.
σ
EGARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.7421 | 4.53*** |
α ARCH Response to squared shocks | 0.1885 | 6.73*** |
β GARCH Volatility persistence | 0.7873 | 16.84*** |
γ leverage Additional response to negative shocks | 0.1712 | 5.20*** |
Persistence:
0.787
Half-life:
3 days
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