Skip to main content
V-Lab

Addcn Technology Co Ltd GAS-GARCH Student T Volatility Analysis

Volatility prediction for Monday, July 27th, 2026

1 Day

109.73%

decreased by 5.52%

1 Week

111.58%

decreased by 3.67%

1 Month

118.43%

increased by 3.18%

Analysis last updated: Sunday, July 26, 2026 at 06:31 AM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Addcn Technology Co Ltd GAS-GARCH-T

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Sep 3, 2012 to Jul 24, 2026
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

ParameterValuet-statistic
ω

const

Unconditional variance weight

199.2588
5.93***
α

ARCH

Response to squared shocks

0.0854
103.50***
β

GARCH

Volatility persistence

0.9946
1,152.51***
ν

DF

Student-t tail thickness

2.0111

Persistence:

0.995

Half-life:

128 days