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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

Date Range:

from

to

6M ·

All

graph of NextBoat Inc EGARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Nov 13, 2025 to Aug 7, 2026

Model 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

ParameterValuet-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