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V-Lab

Grab Holdings Limited GAS-GARCH Student T Volatility Analysis

Volatility prediction for Monday, July 13th, 2026

1 Day

46.12%

decreased by 1.95%

1 Week

46.26%

decreased by 1.81%

1 Month

46.76%

decreased by 1.31%

Analysis last updated: Friday, July 10, 2026 at 10:06 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

All

graph of Grab Holdings Limited GAS-GARCH-T

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Oct 1, 2020 to Jul 10, 2026

Model Insight

Volatility shocks decay with a half-life of 52 trading days, meaning a shock loses half its impact after approximately 52 days. Returns follow a Student-t distribution with v = 3.47 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

10.3701
5.30***
α

ARCH

Response to squared shocks

0.0844
37.04***
β

GARCH

Volatility persistence

0.9868
373.65***
ν

DF

Student-t tail thickness

3.4748
27.22***

Persistence:

0.987

Half-life:

52 days