The study examined the effect of market risk on the performance of brewery industry in West African region from 1996 to 2022.Market risk, otherwise known as systematic risks are those risks which cannot be eliminated through diversification. Market risk is a function of uncertainties occasioned by the inflation rate, interest rate, and, exchange rate in this context. The study adopted ex-post facto research design. The population of the study comprise of brewery firms in West Africa. The study used purposive sampling to select the six countries from West African region. The relevant data for this study were obtained from the firm’s annual report and statement of account, the Central Bank statistical bulletin of Nigeria, Ghana, Gambia and Sierra Leone, Senegal and cod voire covering the period of 1996 to 2022. The study applied was auto regressive distributed lag model (ARDL) to test the hypotheses stated at 0.05 level of significance. Several studies have been conducted on market risk and corporate performance of quoted service oriented firms in Africa as a continent however, much of their findings showed that market risks have a significant effect on corporate performance of financial institutions and other service-oriented firms in the world. Based on this, the study took a paradigm shift from these works to study the effects of market risk on corporate financial performance of quoted manufacturing organizations in selected Anglophone and Franco phone countries in West Africa region. The aim of this study was to examine the effect of market risks on the performance of brewery firms across West African Countries. The specific objectives of the study were to: (i) examine the effects of inflation rate on asset turnover of quoted brewery firms, (ii) determine the effects of inflation on earnings per share of selected breweries firms. The study revealed that: (i) Asset turnover have a positive response to Inflation rate. (ii) Earnings per share have a positive response to Inflation rate of quoted manufacturing firms in West Africa. The study recommend that: (i) Implement cost control measures to reduce waste and improve operational efficiency.(ii) Develop a flexible pricing strategy that can be adjusted in response to inflationary pressures

Key Words: Market risk, Inflation rate, Asset Turn Over, ARDL, Earnings Per Share