The main thing of the operational activities of a business company is to make a profit. In fact, maximizing profit is the main goal of all business decisions and activities. The company will go bankrupt if it does not make a profit. This study discusses the Factors Affecting Income Smoothing in Manufacturing Companies Listed on the Stock Exchange 2016-2020. Therefore, the purpose of this study is to test and analyze the effect of firm size, financial leverage, profitability, cash holding, and auditor reputation on income smoothing in manufacturing companies listed on the IDX. The method used in this research is a quantitative method with a descriptive approach. The results of this study can be said that company size, profitability, and cash storage have no significant effect on earnings performance. Meanwhile, financial leverage and auditor reputation have a negative and significant effect on earnings management in manufacturing companies.

Informasi laba sering menjadi sasaran rekayasa manajemen untuk memaksimalkan kepuasannya karena ada pihak yang memperhatikan laba sehingga mendorong manajemen untuk melakukan tindakan dalam mengelola laba atau manajemen laba. Salah satu tindakan manajemen laba yang sering dilakukan oleh beberapa perusahaan untuk mempercantik laporan keuangannya adalah perataan laba. Penelitian ini bertujuan untuk menganalisis pengaruh return on assets, debt to equity ratio, bonus plan dan income tax terhadap perataan laba. Metode analisis yang digunakan dalam penelitian ini adalah analisis regresi logistik. Hasil penelitian ini menunjukkan bahwa return on assets berpengaruh positif dan signifikan terhadap perataan laba, debt to equity ratio dan bonus plan berpengaruh negatif dan signifikan terhadap perataan laba, sedangkan income tax tidak berpengaruh signifikan terhadap perataan laba.
 
Kata Kunci: perataan laba, return on assets, debt to equity ratio, bonus plan, income tax.

The share price is the value determined by the strength of the offer to buy and sell shares in a certain market mechanism and is the selling price from one investor to another. Stock price is one indicator of company management. Success in generating profits will provide satisfaction for rational investors. This study aims to provide empirical evidence of the effect of the variable eps, profitability ratios, liquidity ratios, and solvency ratios on stock prices in manufacturing companies in the basic and chemical industrial sectors listed on the Indonesia Stock Exchange for 3 periods, namely 2018-2020. Based on the results of the study, it is proven that: Earning Per Share (EPS) has a significant effect on stock prices. Profitability Ratio (ROE) has no significant effect on stock prices. Liquidity Ratio (CR) has no significant effect on stock prices. Solvency Ratio (DER) has no significant effect on stock prices.