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V-Lab

Cyanotech Corp GAS-GARCH Student T Volatility Analysis

Volatility prediction for Wednesday, August 19th, 2026

1 Day

253,880.09%

increased by 36,828.89%

1 Week

253,181.13%

increased by 36,129.93%

1 Month

250,417.41%

increased by 33,366.21%

Analysis last updated: Wednesday, August 19, 2026 at 09:09 AM UTC

Date Range:

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to

6M ·

1Y ·

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10Y ·

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graph of Cyanotech Corp GAS-GARCH-T

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

May 22, 1991 to Aug 18, 2026
Boundary Parameters

Model Insight

The estimated Student-t degrees of freedom v = 2.00 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

3.4851
1.93*
α

ARCH

Response to squared shocks

0.1181
15.88***
β

GARCH

Volatility persistence

0.9972
814.08***
ν

DF

Student-t tail thickness

2.0000

Persistence:

0.997

Half-life:

251 days