ABSTRACT While several comparative analyses between major international oil companies are widely available, the same cannot be said about oil companies from Central and Eastern Europe. The present study uses a power-set multilabel approach to analyze changes in the Romanian oil company SNP; stock prices in connection with its regional peers. The multilabel approach uses several base classifiers to analyze the data and a decision tree to choose among them for test purposes. This approach has more predictive power with respect to the area under the receiver operating characteristic ROC curve performance indicator and can be used to analyze other types of data.