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V-Lab

SPI Energy Co Ltd GAS-GARCH Student T Volatility Analysis

Volatility prediction for Wednesday, July 22nd, 2026

1 Day

1,109.70%

increased by 299.29%

1 Week

1,104.08%

increased by 293.67%

1 Month

1,084.43%

increased by 274.02%

Analysis last updated: Wednesday, July 22, 2026 at 10:36 AM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

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graph of SPI Energy Co Ltd GAS-GARCH-T

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jan 8, 2016 to Jul 10, 2026

Model Insight

The estimated Student-t degrees of freedom v = 2.03 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

3,758.6570
3.54***
α

ARCH

Response to squared shocks

0.1721
69.55***
β

GARCH

Volatility persistence

0.9776
165.87***
ν

DF

Student-t tail thickness

2.0310
1,378.84***

Persistence:

0.978

Half-life:

31 days