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V-Lab

Madala Holdings Ltd APARCH Volatility Analysis

Volatility prediction for Wednesday, August 19th, 2026

1 Day

44.07%

decreased by 2.07%

1 Week

45.40%

decreased by 0.74%

1 Month

48.12%

increased by 1.98%

Analysis last updated: Wednesday, August 19, 2026 at 06:54 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

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graph of Madala Holdings Ltd APARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Sep 29, 2008 to Aug 14, 2026

Model Insight

This asset shows a rare inverse leverage effect: positive returns raise next-day volatility 25% more than negative returns. Volatility rises more after gains than after losses, the reverse of the usual leverage effect and uncommon among risky assets.

σ

APARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

1.0000
4.31***
α

ARCH

Response to squared shocks

0.1410
25.98***
β

GARCH

Volatility persistence

0.7574
46.66***
γ

leverage

Additional response to negative shocks

-0.0576
-4.10***
δ

power

Transformation power

1.9480
16.89***

Persistence:

0.896

Half-life:

6 days