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V-Lab

Wimi Hologram Cloud Inc GAS-GARCH Student T Volatility Analysis

Volatility prediction for Thursday, August 27th, 2026

1 Day

77.12%

increased by 2.43%

1 Week

82.46%

increased by 7.77%

1 Month

93.88%

increased by 19.19%

Analysis last updated: Wednesday, August 26, 2026 at 10:33 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

All

graph of Wimi Hologram Cloud Inc GAS-GARCH-T

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Apr 1, 2020 to Aug 21, 2026

Model Insight

Volatility shocks decay with a half-life of 8 trading days, meaning a shock loses half its impact after approximately 8 days. Returns follow a Student-t distribution with v = 3.50 degrees of freedom, capturing fatter tails than a normal distribution.

𝑓

GAS-GARCH-T Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

45.1563
4.89***
α

ARCH

Response to squared shocks

0.1341
14.91***
β

GARCH

Volatility persistence

0.9147
48.69***
ν

DF

Student-t tail thickness

3.4982
7.24***

Persistence:

0.915

Half-life:

8 days