a r t i c l e i n f o JEL classification: Q43 F3 G14 G15 Keywords: Stock market returns Oil price fluctuations Gregory–Hansen co-integration test Toda–Yamamoto Granger non-causality test The main focus of this study is to examine how oil price fluctuations influence the performance of stock markets. This study used the causality approach developed by Toda and Yamamoto (1995) to explore the caus...