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
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Sep 29, 2008 to Aug 14, 2026Model 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
| Parameter | Value | t-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
Other Madala Holdings Ltd Analyses
Other APARCH Analyses on International Equities