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V-Lab

Grab Holdings Limited MF2-GARCH Volatility Analysis

Volatility prediction for Tuesday, September 22nd, 2026

1 Day

45.36%

increased by 7.49%

1 Week

48.00%

increased by 10.13%

1 Month

56.13%

increased by 18.26%

Analysis last updated: Monday, September 21, 2026 at 09:24 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

All

graph of Grab Holdings Limited MF2-GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Oct 1, 2020 to Sep 18, 2026

Model Insight

This asset shows a rare inverse leverage effect: volatility responds almost entirely to positive returns, rising far more after gains than after losses. This is the reverse of the usual leverage effect, rare among risky assets.

σ

MF2-GARCH Model

Tap to view equation

Inverse leverage: volatility responds almost entirely to positive returns
ParamValuet-stat
mwindow31
αARCH0.1300
3.42***
βGARCH0.8715
15.94***
γleverage-0.1127
-3.03***
λ₁tau intercept1.1879
2.00**
λ₂forecast adj.0.8915
4.55***
λ₃tau persistence0.1047
0.59

0.945

Persistence

12d

Half-life
σ

MF2-GARCH Model

Tap to view equation

ParameterValuet-statistic
m

window

Rolling window length

31
α

ARCH

Response to squared shocks

0.1300
3.42***
β

GARCH

Volatility persistence

0.8715
15.94***
γ

leverage

Additional response to negative shocks

-0.1127
-3.03***
λ₁

tau intercept

Baseline long-term coefficient

1.1879
2.00**
λ₂

forecast adj.

Forecast performance sensitivity

0.8915
4.55***
λ₃

tau persistence

Long-term factor persistence

0.1047
0.59

Persistence:

0.945

Half-life:

12 days