V-Lab
NextBoat Inc GARCH Volatility Analysis
Volatility prediction for Wednesday, September 9th, 2026
1 Day
72.60%
increased by 3.63%
1 Week
76.14%
increased by 7.17%
1 Month
82.37%
increased by 13.40%
Analysis last updated: Tuesday, September 8, 2026 at 10:57 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Nov 13, 2025 to Sep 4, 2026Model Insight
Volatility shocks decay with a half-life of 5 trading days, meaning a shock loses half its impact after approximately 5 days.
σ
GARCH Model
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Shock decay: Shocks decay with a 5-day half-life
| Param | Value | t-stat |
|---|---|---|
| ωconst | 3.8871 | 1.15 |
| αARCH | 0.1239 | 1.91* |
| βGARCH | 0.7471 | 4.99*** |
0.871
Persistence5d
Half-lifeσ
GARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 3.8871 | 1.15 |
α ARCH Response to squared shocks | 0.1239 | 1.91* |
β GARCH Volatility persistence | 0.7471 | 4.99*** |
Persistence:
0.871
Half-life:
5 days
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