This paper investigates the existence of seasonality anomalies in the stock returns of the oil and gas companies on the London Stock Exchange. It employs F-test, Kruskal-Wallis and Tukey tests to examine days-of-the-week effect. Generalised autoregressive conditional heteroscedasticity...

The relationship between oil and stock is important because oil is the key production input for most industries and stock market performance, to some extent, reflects the economic conditions. However, the relationship between oil price and stock prices of oil and gas industry companies is more...