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V-Lab
V-Lab

NextBoat Inc GAS-GARCH Student T Volatility Analysis

Volatility prediction for Monday, September 14th, 2026

1 Day

73.59%

decreased by 0.35%

1 Week

76.73%

increased by 2.79%

1 Month

82.58%

increased by 8.64%

Analysis last updated: Saturday, September 12, 2026 at 02:42 AM UTC

Date Range:

from

to

6M ·

All

graph of NextBoat Inc GAS-GARCH-T

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Nov 13, 2025 to Sep 11, 2026

Model Insight

Volatility shocks decay with a half-life of 5 trading days, meaning a shock loses half its impact after approximately 5 days. Returns follow a Student-t distribution with v = 3.80 degrees of freedom, capturing fatter tails than a normal distribution.

𝑓

GAS-GARCH-T Model

Tap to view equation

Shock decay: Shocks decay with a 5-day half-lifev = 3.80 · fat tails
ParamValuet-stat
ωconst30.3639
0.44
αARCH0.0667
0.48
βGARCH0.8808
10.76***
νDF3.8008
0.15

0.881

Persistence

5d

Half-life
𝑓

GAS-GARCH-T Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

30.3639
0.44
α

ARCH

Response to squared shocks

0.0667
0.48
β

GARCH

Volatility persistence

0.8808
10.76***
ν

DF

Student-t tail thickness

3.8008
0.15

Persistence:

0.881

Half-life:

5 days