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V-Lab

FTSE Bursa Malaysia KLCI Index - Kuala Lumpur Composite Index GJR-GARCH Volatility Analysis

Volatility prediction for Tuesday, July 21st, 2026

1 Day

9.81%

increased by 0.09%

1 Week

10.01%

increased by 0.29%

1 Month

10.74%

increased by 1.02%

Analysis last updated: Monday, July 20, 2026 at 10:11 AM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of FTSE Bursa Malaysia KLCI Index - Kuala Lumpur Composite Index GJR-GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jan 2, 1990 to Jul 17, 2026

Model Insight

With persistence 0.998, volatility shocks have a half-life of 303 trading days (~1.2 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.

Leverage: Negative returns increase volatility 90% more than positive returns

σ

GJR-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.0086
21.96***
α

ARCH

Response to squared shocks

0.0736
26.81***
β

GARCH

Volatility persistence

0.8909
433.94***
γ

leverage

Additional response to negative shocks

0.0664
11.24***

Persistence:

0.998

Half-life:

303 days