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V-Lab

Wawel Sa Asy. Power MEM Volatility Analysis

Volatility prediction for Monday, August 10th, 2026

1 Day

20.54%

decreased by 0.50%

1 Week

22.14%

increased by 1.10%

1 Month

25.53%

increased by 4.49%

Analysis last updated: Sunday, August 9, 2026 at 01:24 AM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Wawel Sa APMEM

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Aug 2, 2001 to Aug 7, 2026

Model Insight

This asset shows a rare inverse leverage effect: positive returns raise next-day volatility 16% more than negative returns. Volatility rises more after gains than after losses, the reverse of the usual leverage effect and uncommon among risky assets.

μ

APMEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.2754
20.86***
α

ARCH

Response to squared shocks

0.1731
39.02***
β

GARCH

Volatility persistence

0.7462
118.41***
γ

leverage

Additional response to negative shocks

-0.0397
-4.48***
δ

power

Transformation power

1.8644
33.47***

Persistence:

0.912

Half-life:

7 days