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Powerhouse Energy Group PLC GAS-GARCH Student T Volatility Analysis

Volatility prediction for Monday, July 27th, 2026

1 Day

326.46%

decreased by 31.74%

1 Week

399.04%

increased by 40.84%

1 Month

524.52%

increased by 166.32%

Analysis last updated: Sunday, July 26, 2026 at 06:32 AM UTC

Date Range:

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to

6M ·

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graph of Powerhouse Energy Group PLC GAS-GARCH-T

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Feb 16, 2007 to Jul 24, 2026
Extended Optimization

Model Insight

The estimated Student-t degrees of freedom v = 2.02 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

ParameterValuet-statistic
ω

const

Unconditional variance weight

1,593.9220
5.25***
α

ARCH

Response to squared shocks

0.1524
28.68***
β

GARCH

Volatility persistence

0.9016
45.11***
ν

DF

Student-t tail thickness

2.0163
894.93***

Persistence:

0.902

Half-life:

7 days