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Semilux International Ltd -Redh GAS-GARCH Student T Volatility Analysis

Volatility prediction for Monday, September 21st, 2026

1 Day

11,531.95%

decreased by 3,254.87%

1 Week

11,497.48%

decreased by 3,289.34%

1 Month

11,361.32%

decreased by 3,425.50%

Analysis last updated: Saturday, September 19, 2026 at 09:25 AM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

All

graph of Semilux International Ltd -Redh GAS-GARCH-T

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Apr 28, 2022 to Sep 18, 2026
Extended Optimization

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

Unreliable tails: v = 2.00 sits at the infinite-variance boundary
ParamValuet-stat
ωconst223.0719
2.52**
αARCH0.1556
20.34***
βGARCH0.9970
840.65***
νDF2.0016

0.997

Persistence

231d

Half-life
𝑓

GAS-GARCH-T Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

223.0719
2.52**
α

ARCH

Response to squared shocks

0.1556
20.34***
β

GARCH

Volatility persistence

0.9970
840.65***
ν

DF

Student-t tail thickness

2.0016

Persistence:

0.997

Half-life:

231 days