From the Efficient Market Hypothesis, a market is efficient if security prices fully and correctly reflect all available information that is relevant for the stock’s pricing. This requires a medium of information dissemination and transaction ordering with both speed and accuracy. This paper...

This paper examines the short-term price reactions after one-day abnormal price changes on the Ukrainian stock market. The original method of abnormal returns calculation is examined. We find significant evidence of overreactions using the daily data over the period 2008-2012. Our analysis...

The effect of options’ introduction on underlying market is one of the frequently debated themes in financial research. A significant body of literature addresses the question of effects of options’ introduction. The critical review of the literature shows that there is no consensus among...

This paper explores the opportunities of momentum and contrarian profits on the Bucharest Stock Exchange during quiet and turbulent times. In our investigation we employ daily values of the main indexes from the Bucharest Stock Exchange for two periods of time. During the first period, from...

This paper attempts to examine the weak form of market efficiency in the Indian foreign exchange market using a family of variance ratio tests. Monthly Nominal Effective Exchange Rate (NEER) data from April 1993-June 2010 were used for the analysis. NEER series was considered for the analysis as...

This study suggests that, run test, which are based on signs of indices / rates, do not reject efficient market hypothesis in the case of all the three markets, whereas VR tests, which capture the variation in permanent component of the series as a ratio to the total variation, reject the...

Episodes of market crashes have fascinated economists for centuries. Although many academics, practitioners and policy makers have studied questions related to collapsing asset price bubbles, there is little consensus yet about their causes and effects. This review and essay evaluates some of...

This paper focuses on one of the heavily tested issue in the contemporary finance, i.e. efficient market hypothesis (EMH). However, we try to find the answers to some fundamental questions basing on the analysis of high frequency (HF) data from the Warsaw Stock Exchange (WSE). We estimate model...

In a chaotic and confusing place as world of investing is, the practitioners, who operate on markets every day, have continuously searched to forecast properly the market movements. More minded to financial speculations, practitioners analyse financial markets looking for potential weaknesses of...