Globalization, capital market crash and the Enron’s case led the accounting profession to insist on the need for a single set of high quality reporting standards. International Financial Reporting Standards (IFRS) were first adopted in 2005 by EU countries while Nigeria agreed to adopt in 2012. The question is: How does IFRS adoption improve the monetary relevance of accounting information? Several studies have explored the monetary relevance of IFRS adoption; however, they are based on foreign countries while Nigerian researches do not contain empirical evidence as they are mostly theoretical. This study therefore seeks to investigate the effect of IFRS adoption on financial performance. The study used correlation research design and data on Earnings per Share (EPS), Change in Earnings per Share (CEPS), Book Value per Share (BVPS) and net profit margin