V-Lab
NextBoat Inc GJR-GARCH Volatility Analysis
Volatility prediction for Friday, September 4th, 2026
1 Day
76.16%
decreased by 2.92%
1 Week
79.05%
decreased by 0.03%
1 Month
83.24%
increased by 4.16%
Analysis last updated: Thursday, September 3, 2026 at 09:56 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Nov 13, 2025 to Aug 28, 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
GJR-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 5.0000 | 1.07 |
α ARCH Response to squared shocks | 0.2052 | 0.92 |
β GARCH Volatility persistence | 0.7260 | 5.37*** |
γ leverage Additional response to negative shocks | -0.2052 | -0.88 |
Persistence:
0.829
Half-life:
4 days
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