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SRT Marine Systems PLC GAS-GARCH Student T Volatility Analysis

Volatility prediction for Monday, September 21st, 2026

1 Day

252.49%

increased by 13.97%

1 Week

295.86%

increased by 57.34%

1 Month

369.93%

increased by 131.41%

Analysis last updated: Sunday, September 20, 2026 at 04:13 AM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of SRT Marine Systems PLC GAS-GARCH-T

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jan 2, 2007 to Sep 18, 2026
Illiquid Asset
Extended Optimization

Model Insight

The estimated Student-t degrees of freedom v = 2.01 sit at the infinite-variance boundary (v → 2): the model is attributing extreme moves to heavy tails rather than to volatility, so the volatility scale is unreliable here. See the boundary-parameters flag.

𝑓

GAS-GARCH-T Model

Tap to view equation

Unreliable tails: v = 2.01 sits at the infinite-variance boundary
ParamValuet-stat
ωconst733.9768
0.98
αARCH0.1282
4.32***
βGARCH0.8905
7.08***
νDF2.0070
294.80***

0.891

Persistence

6d

Half-life
𝑓

GAS-GARCH-T Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

733.9768
0.98
α

ARCH

Response to squared shocks

0.1282
4.32***
β

GARCH

Volatility persistence

0.8905
7.08***
ν

DF

Student-t tail thickness

2.0070
294.80***

Persistence:

0.891

Half-life:

6 days