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Diana Tea Co Ltd GAS-GARCH Student T Volatility Analysis

Volatility prediction for Monday, July 27th, 2026

1 Day

37.82%

increased by 0.53%

1 Week

40.91%

increased by 3.62%

1 Month

47.16%

increased by 9.87%

Analysis last updated: Sunday, July 26, 2026 at 01:15 AM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Diana Tea Co Ltd GAS-GARCH-T

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Sep 4, 2008 to Jul 24, 2026

Model Insight

Volatility shocks decay with a half-life of 7 trading days, meaning a shock loses half its impact after approximately 7 days. Returns follow a Student-t distribution with v = 3.88 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

11.3731
9.64***
α

ARCH

Response to squared shocks

0.1385
19.00***
β

GARCH

Volatility persistence

0.9073
90.33***
ν

DF

Student-t tail thickness

3.8769
9.97***

Persistence:

0.907

Half-life:

7 days