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V-Lab

UOB-Kay Hian Holdings Ltd GAS-GARCH Student T Volatility Analysis

Volatility prediction for Wednesday, August 26th, 2026

1 Day

43.39%

decreased by 2.43%

1 Week

43.37%

decreased by 2.45%

1 Month

43.30%

decreased by 2.52%

Analysis last updated: Wednesday, August 26, 2026 at 09:40 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

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graph of UOB-Kay Hian Holdings Ltd GAS-GARCH-T

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Nov 14, 1990 to Aug 21, 2026

Model Insight

With persistence 0.997, volatility shocks have a half-life of 221 trading days (~0.9 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate. Returns follow a Student-t distribution with v = 3.48 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

6.4738
6.97***
α

ARCH

Response to squared shocks

0.0825
118.31***
β

GARCH

Volatility persistence

0.9969
2,425.46***
ν

DF

Student-t tail thickness

3.4815
89.61***

Persistence:

0.997

Half-life:

221 days