2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/209106We analyze the European transition economies and show that time series for most of major indices exhibit (i) power-law correlations in their values, power-law correlations in their magnitudes, and (iii) asymmetric probability distribution. We propose a stochastic model that can generate time series with all the previous features found in the empirical data.6 pages, 2 figures, conference proceedingsPhysics and SocietyStatistical Financetext