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V-Lab

XtalPi Holdings Ltd GAS-GARCH Student T Volatility Analysis

Volatility prediction for Wednesday, August 26th, 2026

1 Day

75.87%

decreased by 0.03%

1 Week

75.99%

increased by 0.09%

1 Month

76.03%

increased by 0.13%

Analysis last updated: Wednesday, August 26, 2026 at 08:08 PM UTC

Date Range:

from

to

6M ·

All

graph of XtalPi Holdings Ltd GAS-GARCH-T

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jan 9, 2026 to Aug 21, 2026

Model Insight

Volatility shocks decay with a half-life of 1 trading day, meaning a shock loses half its impact after approximately 1 day. Returns follow a Student-t distribution with v = 200.00 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

22.9447
22.58***
α

ARCH

Response to squared shocks

0.0430
0.24
β

GARCH

Volatility persistence

0.2585
0.30
ν

DF

Student-t tail thickness

200.0000
0.00

Persistence:

0.259

Half-life:

1 days