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

Volatility prediction for Wednesday, September 23rd, 2026

1 Day

11.69%

increased by 0.26%

1 Week

11.84%

increased by 0.41%

1 Month

12.44%

increased by 1.01%

Analysis last updated: Tuesday, September 22, 2026 at 10:03 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 Sep 18, 2026

Model Insight

With persistence 0.998, volatility shocks have a half-life of 291 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

High persistence: persistence 0.998, shock half-life ~291 daysLeverage: Negative returns increase volatility 90% more than positive returns
ParamValuet-stat
ωconst0.0086
5.50***
αARCH0.0735
6.70***
βGARCH0.8910
108.68***
γleverage0.0663
2.81***

0.998

Persistence

291d

Half-life
σ

GJR-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.0086
5.50***
α

ARCH

Response to squared shocks

0.0735
6.70***
β

GARCH

Volatility persistence

0.8910
108.68***
γ

leverage

Additional response to negative shocks

0.0663
2.81***

Persistence:

0.998

Half-life:

291 days